Technical Specification IQ72xxxQTXxx 42-110V 3.3-48V 150W 3000Vdc Quarter-brick Continuous Input Outputs Max Power REINFORCED Insulation DC-DC Converter N A @ 25 UT TC 5V O 0Q IN V 05 10 High efficiency, 92% at full rated load current Delivers full power with minimal derating - no heatsink required Operating input voltage range: 42-110V Fixed frequency switching provides predictable EMI No minimum load requirement Mechanical Features * * * * -1 IQ 72 * * * * * 42 Operational Features 25 RS -G The InQor quarter-brick converter series is composed of next-generation, board-mountable, isolated (REINFORCED), fixed switching frequency dc-dc converters that use synchronous rectification to achieve extremely high power conversion efficiency. Each module is supplied completely encased to provide protection from the harsh environments seen in many industrial and transportation applications. Industry standard quarter-brick pin-out configuration Size: 1.536" x 2.386" (39.01 x 60.6) Height: 0.500" (12.7mm) Weight: 3.02oz (85.6g) Protection Features * * * * * Input under-voltage lockout Output current limit and short circuit protection Active back bias limit Output over-voltage protection Thermal shutdown Control Features * On/Off control referenced to input side * Remote sense for the output voltage * Output voltage trim range of -20%, +10% Safety Features Reinforced Insulation * Input-to-output isolation 3000V * UL 60950-1 2nd Ed. 2007 * CAN/CSA-C22.2 No. 60950-1-07 * EN60950-1 Ed. 2.0 * CE Marked * RoHS compliant (see last page) Product # IQ72xxxQTXxx Phone 1-888-567-9596 CONTENTS Page No. Family Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Electrical Characteristics (3.3 Vout) & Figures . . . . . . . . . . . . . . . . . . . . 4 Electrical Characteristics (5 Vout) & Figures . . . . . . . . . . . . . . . . . . . . . 6 Electrical Characteristics (7 Vout) & Figures . . . . . . . . . . . . . . . . . . . . . 8 Electrical Characteristics (12 Vout) & Figures . . . . . . . . . . . . . . . . . . . 10 Electrical Characteristics (15 Vout) & Figures . . . . . . . . . . . . . . . . . . . 12 Electrical Characteristics (24 Vout) & Figures . . . . . . . . . . . . . . . . . . . 14 Electrical Characteristics (30 Vout) & Figures . . . . . . . . . . . . . . . . . . . 16 Electrical Characteristics (48 Vout) & Figures . . . . . . . . . . . . . . . . . . . 18 Application Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Standards & Qualification Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Encased Mechanical Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Flanged Mechanical Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 1 Technical Specification IQ72xxxQTXxx IQ72 Family Electrical Characteristics (all output voltages) Ta = 25 C, airflow rate = 300 LFM, Vin = 72V dc unless otherwise noted; full operating temperature range is -40 C to +100 C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. ABSOLUTE MAXIMUM RATINGS Input Voltage Non-Operating 120 Operating 110 Operating Transient Protection Isolation Voltage Input to Output 3000 Input to Base-Plate 3000 Output to Base-Plate 3000 Operating Temperature -40 100 Storage Temperature -55 125 Voltage at ON/OFF input pin -2 18 INPUT CHARACTERISTICS Operating Input Voltage Range 42 72 110 Input Under-Voltage Lockout Turn-On Voltage Threshold 38.8 40.3 41.8 Turn-Off Voltage Threshold 35.2 36.8 38.4 Lockout Voltage Hysteresis 3.5 Input Over-Voltage Shutdown Recommended External Input Capacitance 100 Input Filter Component Values (L\C) 6.8\1.2 DYNAMIC CHARACTERISTICS Turn-On Transient Turn-On Time 9 Start-Up Inhibit Time 200 230 250 Output Voltage Overshoot 0 ISOLATION CHARACTERISTICS Isolation Voltage (dielectric strength) Isolation Resistance 100 Isolation Capacitance (input to output) 1000 TEMPERATURE LIMITS FOR POWER DERATING CURVES Semiconductor Junction Temperature 125 Board Temperature 125 Transformer Temperature 125 Maximum Baseplate Temperature, Tb 100 FEATURE CHARACTERISTICS Switching Frequency 230 250 270 ON/OFF Control Off-State Voltage 2.4 18 On-State Voltage -2 0.8 ON/OFF Control Pull-Up Voltage 5 Pull-Up Resistance 50 Over-Temperature Shutdown OTP Trip Point 125 Over-Temperature Shutdown Restart Hysteresis 10 RELIABILITY CHARACTERISTICS Calculated MTBF (Telcordia) TR-NWT-000332 2.5 Calculated MTBF (MIL-217) MIL-HDBK-217F 2 Field Demonstrated MTBF Note 1: Output voltage regulation can not be achieved on certain output voltages at or Note 2: Higher values of isolation capacitance can be added external to the module. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Units Notes & Conditions V V V V dc V dc V dc C C V V Continuous Continuous Baseplate temperature See Note 1 V V V V F H\F Not Available Typical ESR 0.1-0.2 Internal values; see Figure D ms ms % Full load, Vout=90% nom. -40 C to +125 C; Figure E Maximum Output Capacitance See Absolute Maximum Ratings M pF See Note 2 C C C C Package rated to 150 C UL rated max operating temp 130 C kHz Isolation stage switching freq. is half this V Application notes Figures A & B V k C C Average PCB Temperature 106 Hrs. 80% load, 200LFM, 40 C Ta 106 Hrs. 80% load, 200LFM, 40 C Ta 106 Hrs. See our website for details near 18 V input. Doc.# 005-0005303 Rev. E 5/10/10 Page 2 Technical Specification IQ72xxxQTXxx Family Figures (all output voltages) 120 Nominal Vout Output Voltage (%) 100 80 60 40 Vin min Vin nom 20 Vin max 0 0 Common Figure 1: Typical startup waveform. Input voltage pre-applied, ON/ OFF Pin on Ch 2. 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Load Current (%) Common Figure 2: Output voltage vs. load current showing typical current limit curves and converter shutdown points. 100,000.0 100,000.0 1.8 V 10,000.0 3.3 V 5V 7V 12 V 15 V Trim Resistance (kOhms) Trim Resistance (kOhms) 10 1,000.0 100.0 10.0 24 V 30 V 48 V 10,000.0 1,000.0 100.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 Increase in Vout (%) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Increase in Vout (%) Common Figure 3: Trim graph for trim-up 1.8 to 12V outputs. Common Figure 4: Trim graph for trim-up 15 to 48V outputs. 10,000.0 Trim Resistance (kOhms) All voltages 1,000.0 100.0 10.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Decrease in Vout (%) Common Figure 5: Trim graph for trim down. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 3 Input:42-110V Output:3.3V Current:30A Part No.:IQ72033QTx30 Technical Specification IQ72033QTx30 Electrical Characteristics(3.3 Vout) Ta = 25 C, airflow rate = 300 LFM, Vin = 72V dc unless otherwise noted; full operating temperature range is -40 C to +100 C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 3.5 A Vin min; trim up; in current limit No-Load Input Current 45 60 mA Disabled Input Current 2 4 mA Response to Input Transient 0.8 V See Figure 6 Input Terminal Ripple Current 130 mA RMS Recommended Input Fuse 7 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 3.267 3.3 3.333 V Output Voltage Regulation Over Line 0.1 0.3 % Over Load 0.1 0.3 % Over Temperature -50 50 mV Total Output Voltage Range 3.218 3.383 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 0 80 160 mV Full load RMS 15 30 mV Full load A Operating Output Current Range 0 30 Subject to thermal derating Output DC Current-Limit Inception 33.0 36.0 39.0 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 1.5 V Back-Drive Current Limit while Enabled 2.4 A Negative current drawn from output Back-Drive Current Limit while Disabled 10 mA Negative current drawn from output Maximum Output Capacitance 10,000 F Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/s) 90 mV 50% to 75% to 50% Iout max Settling Time 400 s To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5; see Note 2 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 3.9 4.0 4.2 V Over full temp range EFFICIENCY 100% Load 90 % See Figure 1 for efficiency curve 50% Load 90 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 F ceramic and 15 F low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com) Note 2: Trim-up range is limited below 10% at low line and full load. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 4 Input:42-110V Output:3.3V Current:30A Part No.:IQ72033QTx30 Technical Specification 15 100 95 12 Power Dissipation (W) Efficiency (%) 90 85 80 75 70 42Vin 42Vin 72Vin 110Vin 110Vin 0 60 0 3 6 9 12 15 18 Load Current (A) 21 24 27 0 30 Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 3 6 9 12 15 18 Load Current (A) 21 24 27 30 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 33 33 30 30 27 27 24 24 21 21 Iout (A) Iout (A) 6 3 72Vin 65 9 18 15 18 15 12 12 400 300 200 100 9 6 3 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 m/s) m/s) m/s) m/s) 400 300 200 100 9 6 3 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 m/s) m/s) m/s) m/s) 0 0 25 40 55 70 25 85 40 55 70 85 Ambient Air Temperature (C) Ambient Air Temperature (C) Figure 3: Encased Converter (no heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/4" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout, Ch 2: Vin. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 5 Input:42-110V Output:5V Current:25A Part No.:IQ72050QTx25 Technical Specification IQ72050QTx25 Electrical Characteristics(5.0 Vout) Ta = 25 C, airflow rate = 300 LFM, Vin = 72V dc unless otherwise noted; full operating temperature range is -40 C to +100 C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 4.4 A Vin min; trim up; in current limit No-Load Input Current 45 60 mA Disabled Input Current 2 4 mA Response to Input Transient 0.12 V See Figure 6 Input Terminal Ripple Current 170 mA RMS Recommended Input Fuse 7 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 4.95 5 5.05 V Output Voltage Regulation Over Line 0.1 0.3 % Over Load 0.1 0.3 % Over Temperature -75 75 mV Total Output Voltage Range 4.875 5.125 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 0 150 300 mV Full load RMS 15 30 mV Full load A Operating Output Current Range 0 25 Subject to thermal derating Output DC Current-Limit Inception 27.5 30.0 32.5 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 2.8 V Back-Drive Current Limit while Enabled 0.9 A Negative current drawn from output Back-Drive Current Limit while Disabled 10 mA Negative current drawn from output Maximum Output Capacitance 8,000 F Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/s) 150 mV 50% to 75% to 50% Iout max Settling Time 400 s To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5; see Note 2 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 5.9 6.1 6.4 V Over full temp range EFFICIENCY 100% Load 90 % See Figure 1 for efficiency curve 50% Load 92 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 F ceramic and 15 F low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com) Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 6 Input:42-110V Output:5V Current:25A Part No.:IQ72050QTx25 Technical Specification 18 100 95 15 Power Dissipation (W) Efficiency (%) 90 85 80 75 70 42Vin 6 42Vin 72Vin 110Vin 110Vin 0 60 0 5 10 15 20 Load Current (A) 0 25 Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 30 30 25 25 20 20 15 10 400 300 200 100 5 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 5 10 15 20 Load Current (A) 25 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. Iout (A) Iout (A) 9 3 72Vin 65 12 15 10 m/s) m/s) m/s) m/s) 400 300 200 100 5 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 m/s) m/s) m/s) m/s) 0 0 25 40 55 70 25 85 40 55 70 85 Ambient Air Temperature (C) Ambient Air Temperature (C) Figure 3: Encased Converter (no heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/4" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout, Ch 2: Vin. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 7 Input:42-110V Output:7V Current:20A Part No.:IQ72070QTx20 Technical Specification IQ72070QTx20 Electrical Characteristics(7.0 Vout) Ta = 25 C, airflow rate = 300 LFM, Vin = 72V dc unless otherwise noted; full operating temperature range is -40 C to +100 C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 4.9 A Vin min; trim up; in current limit No-Load Input Current 45 60 mA Disabled Input Current 2 4 mA Response to Input Transient 0.25 V See Figure 6 Input Terminal Ripple Current 190 mA RMS Recommended Input Fuse 7 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 6.93 7 7.07 V Output Voltage Regulation Over Line 0.1 0.3 % Over Load 0.1 0.3 % Over Temperature -105 105 mV Total Output Voltage Range 6.825 7.175 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 0 90 180 mV Full load RMS 20 40 mV Full load A Operating Output Current Range 0 20 Subject to thermal derating Output DC Current-Limit Inception 22.0 24.0 26.0 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 2.9 V Back-Drive Current Limit while Enabled 0.8 A Negative current drawn from output Back-Drive Current Limit while Disabled 10 mA Negative current drawn from output Maximum Output Capacitance 4,000 F Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/s) 180 mV 50% to 75% to 50% Iout max Settling Time 400 s To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5; see Note 2 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 8.2 8.5 8.9 V Over full temp range EFFICIENCY 100% Load 90 % See Figure 1 for efficiency curve 50% Load 92 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 F ceramic and 15 F low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com) Note 2: Trim-up range is limited below 10% at low line and full load. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 8 Input:42-110V Output:7V Current:20A Part No.:IQ72070QTx20 Technical Specification 18 100 95 15 Power Dissipation (W) Efficiency (%) 90 85 80 75 70 42Vin 6 42Vin 72Vin 110Vin 110Vin 0 60 0 2 4 6 8 10 12 Load Current (A) 14 16 18 0 20 Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 25 25 20 20 15 15 10 400 300 200 100 5 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 2 4 6 8 10 12 Load Current (A) 14 16 18 20 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. Iout (A) Iout (A) 9 3 72Vin 65 12 m/s) m/s) m/s) m/s) 10 400 300 200 100 5 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 m/s) m/s) m/s) m/s) 0 0 25 40 55 70 25 85 40 55 70 85 Ambient Air Temperature (C) Ambient Air Temperature (C) Figure 3: Encased Converter (no heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/4" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout, Ch 2: Vin. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 9 Input:42-110V Output:12V Current:12A Part No.:IQ72120QTx12 Technical Specification IQ72120QTx12 Electrical Characteristics(12.0 Vout) Ta = 25 C, airflow rate = 300 LFM, Vin = 72V dc unless otherwise noted; full operating temperature range is -40 C to +100 C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 4.5 A Vin min; Vout nom; in current limit No-Load Input Current 45 60 mA Disabled Input Current 2 4 mA Response to Input Transient 0.35 V Input Terminal Ripple Current 190 mA RMS Recommended Input Fuse 7 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 11.88 12 12.12 V Output Voltage Regulation see Note 3 Over Line 0.1 0.3 % see Note 3 Over Load 0.1 0.3 % Over Temperature -180 180 mV Total Output Voltage Range 11.70 12.30 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 0 90 180 mV Full load RMS 20 40 mV Full load A Operating Output Current Range 0 12 Subject to thermal derating Output DC Current-Limit Inception 13.2 14.4 15.6 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 5.2 V Back-Drive Current Limit while Enabled 0.8 A Negative current drawn from output Back-Drive Current Limit while Disabled 10 mA Negative current drawn from output Maximum Output Capacitance 1,500 F Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/s) 440 mV 50% to 75% to 50% Iout max Settling Time 400 s To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5; see Note 2 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 14.0 14.6 15.2 V Over full temp range EFFICIENCY 100% Load 91 % See Figure 1 for efficiency curve 50% Load 92 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 F ceramic and 15 F low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com) Note 2: Trim-up range is limited below 10% at an input voltage less than 21 V. Note 3: Output voltage regulation cannot be achieved for an input voltage less than 19V. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 10 Input:42-110V Output:12V Current:12A Part No.:IQ72120QTx12 Technical Specification 18 100 95 15 Power Dissipation (W) Efficiency (%) 90 85 80 75 70 42Vin 6 42Vin 72Vin 110Vin 110Vin 0 60 0 1 2 3 4 5 6 7 Load Current (A) 8 9 10 11 0 12 Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 14 14 12 12 10 10 8 8 6 4 400 300 200 100 2 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 1 2 3 4 5 6 7 Load Current (A) 8 9 10 11 12 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. Iout (A) Iout (A) 9 3 72Vin 65 12 6 4 m/s) m/s) m/s) m/s) 400 300 200 100 2 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 m/s) m/s) m/s) m/s) 0 0 25 40 55 70 25 85 40 55 70 85 Ambient Air Temperature (C) Ambient Air Temperature (C) Figure 3: Encased Converter (no heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/4" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout, Ch 2: Vin. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 11 Input:42-110V Output:15V Current:10A Part No.:IQ72150QTx10 Technical Specification IQ72150QTx10 Electrical Characteristics(15.0 Vout) Ta = 25 C, airflow rate = 300 LFM, Vin = 72V dc unless otherwise noted; full operating temperature range is -40 C to +100 C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 5.2 A Vin min; Vout nom; in current limit No-Load Input Current 45 60 mA Disabled Input Current 2 4 mA Response to Input Transient 0.38 V See Figure 6 Input Terminal Ripple Current 180 mA RMS Recommended Input Fuse 7 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 14.85 15 15.15 V Output Voltage Regulation Over Line 0.1 0.3 % Over Load 0.1 0.3 % Over Temperature -225 225 mV Total Output Voltage Range 14.63 15.38 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 150 300 mV Full load RMS 30 60 mV Full load A Operating Output Current Range 0 10 Subject to thermal derating Output DC Current-Limit Inception 11.0 12.0 13.0 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 5.8 V Back-Drive Current Limit while Enabled 0.8 A Negative current drawn from output Back-Drive Current Limit while Disabled 10 mA Negative current drawn from output Maximum Output Capacitance 1,000 F Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/s) 640 mV 50% to 75% to 50% Iout max Settling Time 400 s To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5; see Note 2 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 17.6 18.3 19.1 V Over full temp range EFFICIENCY 100% Load 91 % See Figure 1 for efficiency curve 50% Load 92 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 F ceramic and 15 F low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com) Note 2: Trim-up range is limited below 10% at an input voltage less than 20 V. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 12 Input:42-110V Output:15V Current:10A Part No.:IQ72150QTx10 Technical Specification 100 18 95 15 Power Dissipation (W) Efficiency (%) 90 85 80 75 42Vin 70 72Vin 12 9 6 42Vin 110Vin 65 60 0.0 2.0 4.0 6.0 8.0 Load Current (A) 72Vin 3 0 10.0 Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 110Vin 0.0 2.0 4.0 6.0 8.0 Load Current (A) 10.0 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 12 11 10 10 9 8 8 Iout (A) Iout (A) 7 6 5 4 400 300 200 100 3 2 1 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 6 4 m/s) m/s) m/s) m/s) 400 300 200 100 2 0 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 m/s) m/s) m/s) m/s) 0 25 40 55 70 25 85 40 55 70 85 Ambient Air Temperature (C) Ambient Air Temperature (C) Figure 3: Encased Converter (no heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/4" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout, Ch 2: Vin. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 13 Input:42-110V Output:24V Current:6A Part No.:IQ72240QTx06 Technical Specification IQ72240QTx06 Electrical Characteristics(24.0 Vout) Ta = 25 C, airflow rate = 300 LFM, Vin = 72V dc unless otherwise noted; full operating temperature range is -40 C to +100 C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 5.0 A Vin min; trim up; in current limit No-Load Input Current 45 60 mA Disabled Input Current 2 4 mA Response to Input Transient 0.6 V See Figure 6 Input Terminal Ripple Current 200 mA RMS Recommended Input Fuse 7 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 23.76 24 24.24 V Output Voltage Regulation Over Line 0.1 0.3 % Over Load 0.1 0.3 % Over Temperature -360 360 mV Total Output Voltage Range 23.40 24.60 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 0 140 280 mV Full load RMS 20 40 mV Full load A Operating Output Current Range 0 6 Subject to thermal derating Output DC Current-Limit Inception 6.6 7.2 7.8 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 12 V Back-Drive Current Limit while Enabled 0.2 A Negative current drawn from output Back-Drive Current Limit while Disabled 10 mA Negative current drawn from output Maximum Output Capacitance 400 F Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/s) 1800 mV 50% to 75% to 50% Iout max Settling Time 400 s To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 28.1 29.3 30.5 V Over full temp range EFFICIENCY 100% Load 90 % See Figure 1 for efficiency curve 50% Load 91 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 F ceramic capacitor. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com) Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 14 Input:42-110V Output:24V Current:6A Part No.:IQ72240QTx06 Technical Specification 18 100 95 15 Power Dissipation (W) Efficiency (%) 90 85 80 75 70 42Vin 6 110Vin 1 2 3 Load Current (A) 4 5 0 6 Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 6 6 5 5 4 4 Iout (A) 7 3 400 300 200 100 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 1 2 3 Load Current (A) 4 5 6 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 7 1 72Vin 0 0 2 42Vin 110Vin 60 Iout (A) 9 3 72Vin 65 12 3 2 m/s) m/s) m/s) m/s) 400 300 200 100 1 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 m/s) m/s) m/s) m/s) 0 0 25 40 55 70 25 85 40 55 70 85 Ambient Air Temperature (C) Ambient Air Temperature (C) Figure 3: Encased Converter (no heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/4" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic capacitor. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 1 F ceramic capacitor. Ch 1: Vout, Ch 2: Vin. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 15 Input:42-110V Output:30V Current:5A Part No.:IQ72300QTx05 Technical Specification IQ72300QTx05 Electrical Characteristics(30.0 Vout) Ta = 25 C, airflow rate = 300 LFM, Vin = 72V dc unless otherwise noted; full operating temperature range is -40 C to +100 C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 5.3 A Vin min; trim up; in current limit No-Load Input Current 45 60 mA Disabled Input Current 2 4 mA Response to Input Transient 0.65 V See Figure 6 Input Terminal Ripple Current 220 mA RMS Recommended Input Fuse 7 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 29.7 30 30.3 V Output Voltage Regulation Over Line 0.1 0.3 % Over Load 0.1 0.3 % Over Temperature -450 450 mV Total Output Voltage Range 29.25 30.75 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 0 140 280 mV Full load RMS 20 40 mV Full load A Operating Output Current Range 0 5 Subject to thermal derating Output DC Current-Limit Inception 5.5 6.0 6.5 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 13 V Back-Drive Current Limit while Enabled 0.15 A Negative current drawn from output Back-Drive Current Limit while Disabled 10 mA Negative current drawn from output Maximum Output Capacitance 250 F Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/s) 2300 mV 50% to 75% to 50% Iout max Settling Time 400 s To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 35.1 36.6 38.1 V Over full temp range EFFICIENCY 100% Load 89 % See Figure 1 for efficiency curve 50% Load 91 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 F ceramic capacitor. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com) Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 16 Input:42-110V Output:30V Current:5A Part No.:IQ72300QTx05 Technical Specification 100 18 95 Power Dissipation (W) Efficiency (%) 90 85 80 75 70 42Vin 72Vin 65 12 9 6 42Vin 3 110Vin 72Vin 110Vin 0 60 0.0 1.0 2.0 3.0 4.0 Load Current (A) 0.0 5.0 Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 1.0 2.0 3.0 4.0 Load Current (A) 5.0 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 5.0 5.0 4.0 4.0 Iout (A) Iout (A) 15 3.0 3.0 2.0 2.0 400 300 200 100 1.0 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 m/s) m/s) m/s) m/s) 400 300 200 100 1.0 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 m/s) m/s) m/s) m/s) 0.0 0.0 25 40 55 70 25 85 40 55 70 85 Ambient Air Temperature (C) Ambient Air Temperature (C) Figure 3: Encased Converter (no heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/4" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic capacitor. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 1 F ceramic capacitor. Ch 1: Vout, Ch 2: Vin. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 17 Input:42-110V Output:48V Current:3A Part No.:IQ72480QTx03 Technical Specification IQ72480QTx03 Electrical Characteristics(48.0 Vout) Ta = 25 C, airflow rate = 300 LFM, Vin = 72V dc unless otherwise noted; full operating temperature range is -40 C to +100 C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 5.1 A Vin min; trim up; in current limit No-Load Input Current 45 60 mA Disabled Input Current 2 4 mA Response to Input Transient 0.7 V See Figure 6 Input Terminal Ripple Current 230 mA RMS Recommended Input Fuse 7 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 47.52 48 48.48 V Output Voltage Regulation Over Line 0.1 0.3 % Over Load 0.1 0.3 % Over Temperature -720 720 mV Total Output Voltage Range 46.80 49.20 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 0 240 480 mV Full load RMS 20 40 mV Full load A Operating Output Current Range 0 3 Subject to thermal derating Output DC Current-Limit Inception 3.30 3.60 3.90 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 22 V Back-Drive Current Limit while Enabled 0.1 A Negative current drawn from output Back-Drive Current Limit while Disabled 10 mA Negative current drawn from output Maximum Output Capacitance 100 F Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/s) 3100 mV 50% to 75% to 50% Iout max Settling Time 400 s To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 56.2 58.6 61.0 V Over full temp range EFFICIENCY 100% Load 88 % See Figure 1 for efficiency curve 50% Load 91 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 F ceramic capacitor. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com) Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 18 Input:42-110V Output:48V Current:3A Part No.:IQ72480QTx03 Technical Specification 100 21 95 18 Power Dissipation (W) Efficiency (%) 90 85 80 75 70 42Vin 9 6 3 110Vin 72Vin 110Vin 0 60 0.0 0.5 1.0 1.5 Load Current (A) 2.0 2.5 0.0 3.0 Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. 3.5 3.5 3.0 3.0 2.5 2.5 2.0 2.0 1.5 1.0 400 300 200 100 0.5 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 0.5 1.0 1.5 Load Current (A) 2.0 2.5 3.0 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C. Iout (A) Iout (A) 12 42Vin 72Vin 65 15 1.5 1.0 m/s) m/s) m/s) m/s) 400 300 200 100 0.5 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 m/s) m/s) m/s) m/s) 0.0 0.0 25 40 55 70 25 85 40 55 70 85 Ambient Air Temperature (C) Ambient Air Temperature (C) Figure 3: Encased Converter (no heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/4" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic capacitor. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (1000 V/ms). Load cap: 1 F ceramic capacitor. Ch 1: Vout, Ch 2: Vin. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 19 Technical Specification IQ72xxxQTXxx BASIC OPERATION AND FEATURES CONTROL FEATURES This converter series uses a two-stage power topology. The first stage is a buck-converter that output voltage constant over variations in line, temperature. The second stage uses a transformer the functions of input/output isolation and voltage step-down to achieve the output voltage required. REMOTE ON/OFF (Pin 2): The ON/OFF input, Pin 2, permits the user to control when the converter is on or off. This input is referenced to the return terminal of the input bus, Vin(-). The ON/OFF signal is active low (meaning that a low turns the converter on). Figure A details four possible circuits for driving the ON/OFF pin. Figure B is a detailed look of the internal ON/ OFF circuitry. conversion keeps the load, and to provide step-up or Both the first stage and the second stage switch at a fixed frequency for predictable EMI performance. Rectification of the transformer's output is accomplished with synchronous rectifiers. These devices, which are MOSFETs with a very low on-state resistance, dissipate far less energy than Schottky diodes. This is the primary reason that the converter has such high efficiency, even at very low output voltages and very high output currents. These converters are offered totally encased to withstand harsh environments and thermally demanding applications. Dissipation throughout the converter is so low that it does not require a heatsink for operation in many applications; however, adding a heatsink provides improved thermal derating performance in extreme situations. This series of converters use the industry standard footprint and pin-out configuration. ON/OFF ON/OFF Vin(_) Vin(_) Remote Enable Circuit REMOTE SENSE(+) (Pins 7 and 5): The SENSE(+) inputs correct for voltage drops along the conductors that connect the converter's output pins to the load. Pin 7 should be connected to Vout(+) and Pin 5 should be connected to Vout(-) at the point on the board where regulation is desired. A remote connection at the load can adjust for a voltage drop only as large as that specified in this datasheet, that is [Vout(+) - Vout(-)] - [Vsense(+) - Vsense(-)] < Sense Range % x Vout Pins 7 and 5 must be connected for proper regulation of the output voltage. If these connections are not made, the converter will deliver an output voltage that is slightly higher than its specified value. Note: the output over-voltage protection circuit senses the voltage across the output (pins 8 and 4) to determine when it should trigger, not the voltage across the converter's sense leads (pins 7 and 5). Therefore, the resistive drop on the board should be small enough so that output OVP does not trigger, even during load transients. Negative Logic (Permanently Enabled) 5V 5V ON/OFF TTL/ CMOS 50k ON/OFF ON/OFF 50k 50k TTL Vin(_) Vin(_ ) Open Collector Enable Circuit Direct Logic Drive Figure A: Various circuits for driving the ON/OFF pin. Product # IQ72xxxQTXxx 100pF 100pF Phone 1-888-567-9596 Vin(_) Figure B: Internal ON/OFF pin circuitry www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 20 Technical Specification IQ72xxxQTXxx OUTPUT VOLTAGE TRIM (Pin 6): The TRIM input permits the user to adjust the output voltage across the sense leads up or down according to the trim range specifications. To decrease the output voltage, the user should connect a resistor between Pin 6 and Pin 5 (SENSE(-) input). For a desired decrease of the nominal output voltage, the value of the resistor should be Rtrim-down = - 10.22 (511 D% ) (kW) where D% = Vnominal - Vdesired Vnominal x 100% To increase the output voltage, the user should connect a resistor between Pin 6 and Pin 7 (SENSE(+) input). For a desired increase of the nominal output voltage, the value of the resistor should be Rtrim-up = where ( 5.11VOUT x (100+D%) 1.225D% _ 511 _ 10.22 D% ) (kW) Vout = Nominal Output Voltage Trim graphs show the relationship between the trim resistor value and Rtrim-up and Rtrim-down, showing the total range the output voltage can be trimmed up or down. Note: the TRIM feature does not affect the voltage at which the output over-voltage protection circuit is triggered. Trimming the output voltage too high may cause the over-voltage protection circuit to engage, particularly during transients. It is not necessary for the user to add capacitance at the Trim pin. The node is internally bypassed to eliminate noise. Total DC Variation of VOUT: For the converter to meet its full specifications, the maximum variation of the dc value of VOUT, due to both trimming and remote load voltage drops, should not be greater than that specified for the output voltage trim range. Product # IQ72xxxQTXxx Phone 1-888-567-9596 PROTECTION FEATURES Input Under-Voltage Lockout: The converter is designed to turn off when the input voltage is too low, helping avoid an input system instability problem, described in more detail in the application note titled "Input System Instability" on our website. The lockout circuitry is a comparator with dc hysteresis. When the input voltage is rising, it must exceed the typical TurnOn Voltage Threshold value (listed on the specifications page) before the converter will turn on. Once the converter is on, the input voltage must fall below the typical Turn-Off Voltage Threshold value before the converter will turn off. Output Current Limit: The maximum current limit remains constant as the output voltage drops. However, once the impedance of the load across the output is small enough to make the output voltage drop below the specified Output DC CurrentLimit Shutdown Voltage, the converter turns off. The converter then enters a "hiccup mode" where it repeatedly turns on and off at a 5 Hz (nominal) frequency with a 5% duty cycle until the short circuit condition is removed. This prevents excessive heating of the converter or the load board. Output Over-Voltage Limit: If the voltage across the output pins exceeds the Output Over-Voltage Protection threshold, the converter will immediately stop switching. This prevents damage to the load circuit due to 1) excessive series resistance in output current path from converter output pins to sense point, 2) a release of a short-circuit condition, or 3) a release of a current limit condition. Load capacitance determines exactly how high the output voltage will rise in response to these conditions. After 200 ms the converter will automatically restart. Over-Temperature Shutdown: A temperature sensor on the converter senses the average temperature of the module. The thermal shutdown circuit is designed to turn the converter off when the temperature at the sensed location reaches the Over-Temperature Shutdown value. It will allow the converter to turn on again when the temperature of the sensed location falls by the amount of the Over-Temperature Shutdown Restart Hysteresis value. www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 21 Technical Specification IQ72xxxQTXxx APPLICATION CONSIDERATIONS Input System Instability: This condition can occur because any dc-dc converter appears incrementally as a negative resistance load. A detailed application note titled "Input System Instability" is available on the SynQor website which provides an understanding of why this instability arises, and shows the preferred solution for correcting it. Application Circuits: Figure C provides a typical circuit diagram which details the input filtering and voltage trimming. Vin(+) Vin External Input Filter Electrolytic Capacitor Vout(+) Vsense(+) ON/OFF Trim Vsense(_) Vin(_) Rtrim-up or Rtrim-down Cload Iload Vout(_) Figure C: Typical application circuit (negative logic unit, permanently enabled). Input Filtering and External Capacitance: Figure D provides a diagram showing the internal input filter components. This filter dramatically reduces input terminal ripple current, which otherwise could exceed the rating of an external electrolytic input capacitor. The recommended external input capacitance is specified in the Input Characteristics section on the Electrical Characteristics page. More detailed information is available in the application note titled "EMI Characteristics" on the SynQor website. L Vin(+) C Vin(_) Figure D: Internal Input Filter Diagram (component values listed on the specifications page). Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 22 Technical Specification IQ72xxxQTXxx Startup Inhibit Period: The Startup Inhibit Period ensures that the converter will remain off for approximately 200 ms when it is shut down for any reason. When an output short is present, this generates a 5 Hz "hiccup mode," which prevents the converter from overheating. In all, there are seven ways that the converter can be shut down, initiating a Startup Inhibit Period: * Input Under-Voltage Lockout When the ON/OFF pin goes high after t2, the Startup Inhibit Period has elapsed, and the output turns on within the typical Turn-On Time. Thermal Considerations: The maximum operating base-plate temperature, TB, is 100 C. As long as the user's thermal system keeps TB < 100 C, the converter can deliver its full rated power. A power derating curve can be calculated for any heatsink that is attached to the base-plate of the converter. It is only necessary to determine the thermal resistance, RTHBA, of the chosen heatsink between the base-plate and the ambient air for a given airflow rate. This information is usually available from the heatsink vendor. The following formula can the be used to determine the maximum power the converter can dissipate for a given thermal condition if its base-plate is to be no higher than 100 C. * Input Over-Voltage Lockout * Output Over-Voltage Protection * Over Temperature Shutdown * Current Limit * Short Circuit Protection * Turned off by the ON/OFF input Figure E shows three turn-on scenarios, where a Startup Inhibit Period is initiated at t0, t1, and t2: Before time t0, when the input voltage is below the UVL threshold, the unit is disabled by the Input Under-Voltage Lockout feature. When the input voltage rises above the UVL threshold, the Input Under-Voltage Lockout is released, and a Startup Inhibit Period is initiated. At the end of this delay, the ON/OFF pin is evaluated, and since it is active, the unit turns on. At time t1, the unit is disabled by the ON/OFF pin, and it cannot be enabled again until the Startup Inhibit Period has elapsed. max Pdiss = 100 C - TA RTHBA This value of power dissipation can then be used in conjunction with the data shown in Figure 2 to determine the maximum load current (and power) that the converter can deliver in the given thermal condition. For convenience, power derating curves for an encased converter without a heatsink and with a typical heatsink are provided for each output voltage. Vin Under-Voltage Lockout TurnOn Threshold ON/OFF (neg logic) ON OFF ON Vout OFF ON 9ms (typical turn on time) 200ms (typical start-up inhibit period) t1 t0 200ms 200ms t t2 Figure E: Startup Inhibit Period (turn-on time not to scale) Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 23 Technical Specification IQ72xxxQTXxx Standards & Qualification Testing Parameter STANDARDS COMPLIANCE UL 60950-1 2nd Ed. 2007 CAN/CSA-C22.2 No. 60950-1-07 EN60950-1 Ed. 2.0 CE Marked IEC 61000-4-2 Notes & Conditions Reinforced Insulation 2006/95/EC Low Voltage Directive ESD test, 8 kV - NP, 15 kV air - NP (Normal Performance) Note: An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety certificates on new releases or download from the SynQor website. Parameter QUALIFICATION TESTING Life Test Vibration Mechanical Shock Temperature Cycling Power/Thermal Cycling Design Marginality Humidity Solderability Altitude # Units Test Conditions 32 5 5 10 5 5 5 15 pins 2 95% rated Vin and load, units at derating point, 1000 hours 10-55 Hz sweep, 0.060" total excursion, 1 min./sweep, 120 sweeps for 3 axis 100g minimum, 2 drops in x, y and z axis -40 C to 100 C, unit temp. ramp 15 C/min., 500 cycles Toperating = min to max, Vin = min to max, full load, 100 cycles Tmin-10 C to Tmax+10 C, 5 C steps, Vin = min to max, 0-105% load 85 C, 85% RH, 1000 hours, continuous Vin applied except 5 min/day MIL-STD-883, method 2003 70,000 feet (21 km), see Note Note: A conductive cooling design is generally needed for high altitude applications because of naturally poor convective cooling at rare atmospheres. Product # IQ72xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 24 Technical Specification IQ72xxxQTXxx Encased Mechanical Drawing 1.536 0.020 (39.01 0.5) 1. 030 (26.16) 0.600 (15.24) 0.450 (11.43) 0.300 (7.62) 0.150 (3.81) 0.2530.020 (6.40.5) 0.5000.025 (12.70.63) Overall Height 8 7 6 5 4 0.2630.020 (6.680.5) 2.386 0.020 (60.6 0.5) 2.00 (50.8) 0.180.010 (4.570.25) Top View Side View 1.86 (47.2) 1 2 3 M3 Threaded Inserts 4 Places See Notes 0.4680.020 (11.890.5) 0.300 (7.62) 0.183.020 (4.65)0.5 0.600 (15.24) NOTES 1)M3 screws used to bolt unit's baseplate to other surfaces (such as a heatsink) must not exceed 0.100" (2.54 mm) depth below the surface of the baseplate. PIN DESIGNATIONS Pin Name Function 1 Vin(+) Positive input voltage 2 ON/OFF 3 Vin(-) 2)Applied torque per screw should not exceed 6in-lb. (0.7 Nm). 3)Baseplate flatness tolerance is 0.004" (.10mm) TIR for surface. 4)Pins 1-3, 5-7 are 0.040" (1.02mm) diameter, with 0.080" (2.03mm) diameter standoff shoulders. 5)Pins 4 and 8 are 0.062" (1.57 mm) diameter with 0.100" (2.54 mm) diameter standoff shoulders. 6)All Pins: Material - Copper Alloy- Finish (RoHS 6/6) - Matte Tin over Nickel plate 7)Weight: 3.02 oz. (85.7 g) typical 8)All dimensions in inches (mm) Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm) 9)Workmanship: Meets or exceeds IPC-A-610C Class II 10)Recommended pin length is 0.03" (0.76mm) greater than the PCB thickness. Product # IQ72xxxQTXxx Phone 1-888-567-9596 4 Vout(-) TTL input to turn converter on and off, referenced to Vin(-), with internal pull up. Negative input voltage Negative output voltage 6 SENSE(-) Negative remote sense1 TRIM Output voltage trim2 7 SENSE(+) Positive remote sense3 5 8 Vout(+) Positive output voltage Notes: 1) SENSE(-) should be connected to Vout(-) either remotely or at the converter. 2) Leave TRIM pin open for nominal output voltage. 3) SENSE(+) should be connected to Vout(+) either remotely or at the converter. www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 25 Technical Specification IQ72xxxQTXxx Flanged Mechanical Drawing .01 [0.2] OVERALL HEIGHT .500 .025 [12.7 0.63] 2.200 .020 [ 55.88 0.5 ] 1.536 .020 [ 39.01 0.5 ] .18 [ 4.6 ] SEE NOTE 5 R .065 4 [ 1,65 ] TOP VIEW 2.00 [ 50.8 ] 2.07 [ 52.5 ] 1.66 [ 42.2 ] 2.386 [ 60.6 5 6 7 .60 [ 15.2 ] .45 [ 11.4 ] .30 [ 7.6 ] .15 [ 3.8 ] 8 BOTTOM VIEW .020 0.5 ] 1.01 [ 25.7 ] .36 [ 9.1 ] .183 .020 [ 4.65 0.5 ] .02 [ 0.6 ] 3 1 .70 [ 17.8 ] 1.30 [ 33 ] .13 [ 3.2 ] .800 .020 [ 20.32 0.5 ] 1 BOTTOMSIDE CLEARANCE .020 .010 [0.51 0.25] NOTES .30 [ 7.6 ] .60 [ 15.2 ] PIN DESIGNATIONS 1) Applied torque per screw should not exceed 5in-lb. (3in-lb recommended). 2) Baseplate flatness tolerance is 0.01" (.2mm) TIR for surface. 3) Pins 1-3, 5-7 are 0.040" (1.02mm) diameter, with 0.080" (2.03mm) diameter standoff shoulders. 4) Pins 4 and 8 are 0.062" (1.57 mm) diameter with 0.100" (2.54 mm) diameter standoff shoulders. 5) All Pins: Material - Copper Alloy, Finish (RoHS 6/6) - Matte Tin over Nickel plate 6) Total Weight: 3.12 oz (88.5 g) 7) All dimensions in inches (mm) Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm) 8) Workmanship: Meets or exceeds IPC-A-610C Class II 9) Recommended pin length is 0.03" (0.76mm) greater than the PCB thickness. 10) A thermal interface material is required to assure proper heat transfer from the flanged baseplate to the cooling surface. Thermal grease may be used, or materials such as Thermalloy's Grafoil or Burgquist's HiFlow and Softflow. Other similar products are available from many heatsink manufacturers. Product # IQ72xxxQTXxx 2 Phone 1-888-567-9596 www.synqor.com Pin Name Function 1 Vin(+) Positive input voltage 2 ON/OFF 3 Vin(-) 4 Vout(-) TTL input to turn converter on and off, referenced to Vin(-), with internal pull up. Negative input voltage Negative output voltage 6 SENSE(-) Negative remote sense1 TRIM Output voltage trim2 7 SENSE(+) Positive remote sense3 5 8 Vout(+) Positive output voltage Notes: 1) SENSE(-) should be connected to Vout(-) either remotely or at the converter. 2) Leave TRIM pin open for nominal output voltage. 3) SENSE(+) should be connected to Vout(+) either remotely or at the converter. Doc.# 005-0005303 Rev. E 5/10/10 Page 26 Technical Specification IQ72xxxQTXxx PART NUMBERING SYSTEM ORDERING INFORMATION The part numbering system for SynQor's dc-dc converters follows the format shown in the example below. The tables below show the valid model numbers and ordering options for converters in this product family. When ordering SynQor converters, please ensure that you use the complete 15 character part number consisting of the 12 character base part number and the additional characters for options. Add "-G" to the model number for 6/6 RoHS compliance. IQ 72 050 Q T C 25 N R S - G Model Number 6/6 RoHS IQ72033QTw30xyz IQ72050QTw25xyz IQ72070QTw20xyz IQ72120QTw12xyz IQ72150QTw10xyz IQ72240QTw06xyz IQ72300QTw05xyz IQ72480QTw03xyz Options (see Ordering Information) Output Current Thermal Design Performance Level Package Size Output Voltage Input Voltage 72V 72V 72V 72V 72V 72V 72V 72V Output Voltage 3.3V 5V 7V 12V 15V 24V 30V 48V Max Output Current 30A 25A 20A 12A 10A 6A 5A 3A Input Voltage The following options must be included in place of the w x y z spaces in the model numbers listed above. Product Family Options Description: w x y z Enable Feature Thermal Design Pin Style Logic Set The first 12 characters comprise the base part number and the last 3 characters indicate available options. The "-G" suffix indicates 6/6 RoHS compliance. C - Encased V - Encased with Flange Application Notes A variety of application notes and technical white papers can be downloaded in pdf format from our website. RoHS Compliance: The EU led RoHS (Restriction of Hazardous N - Negative R - 0.180" S - Standard Not all combinations make valid part numbers, please contact SynQor for availability. See the Product Summary web page for more options. Substances) Directive bans the use of Lead, Cadmium, Hexavalent Chromium, Mercury, Polybrominated Biphenyls (PBB), and Polybrominated Diphenyl Ether (PBDE) in Electrical and Electronic Equipment. This SynQor product is 6/6 RoHS compliant. For more information please refer to SynQor's RoHS addendum available at our RoHS Compliance / Lead Free Initiative web page or e-mail us at rohs@synqor.com. PATENTS SynQor holds the following U.S. patents, one or more of which apply to each product listed in this document. Additional patent applications may be pending or filed in the future. Contact SynQor for further information: Phone: Toll Free: Fax: E-mail: Web: Address: Product # IQ72xxxQTXxx 978-849-0600 888-567-9596 978-849-0602 power@synqor.com www.synqor.com 155 Swanson Road Boxborough, MA 01719 USA Phone 1-888-567-9596 5,999,417 6,222,742 6,545,890 6,577,109 6,594,159 6,731,520 6,894,468 6,896,526 6,927,987 7,050,309 7,072,190 7,085,146 7,119,524 7,269,034 7,272,021 7,272,023 7,558,083 7,564,702 Warranty SynQor offers a two (2) year limited warranty. Complete warranty information is listed on our website or is available upon request from SynQor. Information furnished by SynQor is believed to be accurate and reliable. However, no responsibility is assumed by SynQor for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SynQor. www.synqor.com Doc.# 005-0005303 Rev. E 5/10/10 Page 27