http://www.cincon.com/ REVISION: March 23, 2010 V20 CQB125 SERIES 100 TO 125 WATT 1/4 BRICK DC-DC CONVERTERS FEATURES * 100 - 125W Isolated Output * Quarter Brick Package * Regulated Output * Efficiency to 92% * 1500VDC Isolation * Input Under voltage Protection * Over Current Protection * Over Temperature Protection * Remote ON/OFF * Safety Meets UL60950-1 MODEL NUMBER INPUT CURRENT INPUT OUTPUT OUTPUT CURRENT Capacitor Load max. VOLTAGE VOLTAGE MIN. MAX. NO LOAD FULL LOAD EFF. CQB125-48S2V5 36-75 VDC 2.5 VDC 0 mA 40A 70 mA 2341mA 89 10000F CQB125-48S3V3 36-75 VDC 3.3 VDC 0 mA 35A 70 mA 2673mA 90 10000F CQB125-48S05 36-75 VDC 5.0 VDC 0 mA 25A 90 mA 2861mA 91 10000F CQB125-48S12 36-75 VDC 12 VDC 0 mA 10A 100 mA 2717mA 92 2200F NOTE: 1. Nominal Input Voltage 48VDC 1 QB-5 1-1 http://www.cincon.com/ REVISION: March 23, 2010 V20 SPECIFICATIONS All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS: Input Voltage Range ............................................. 48V .............. 36 - 75V Input Surge Voltage (100ms max.) ......................... 48V ........ 100Vdc max. Under voltage lockout ............................... power up ............ 35V typ. power down ........... 33V typ. Input Filter ............................................................................ PI Type Positive Logic Remote on/off Control (see Note4 &5) Efficiency ............................................................................ See Table Isolation Voltage ............................................................ 1500 VDC min. 7 Isolation Resistance ..................................................... 10 Ohms min. Isolation Capacitance ............................................... 1000pF typ. Switching Frequency .......................................................... 250KHz typ. 5V/12Vout ............................ 300KHz typ. OUTPUT SPECIFICATIONS: Over Temperature Protection ........................................ 120 typ. Voltage Accuracy .............................................................. 1.0% max. Transient Response: 25% Step Load Change .................................... <500us Ripple and Noise, 20MHz BW ....................................... 100mV p-p max. 5V/12Vout ................. 120mVp-p max. Temperature Coefficient ..................................................... 0.03%/C max. Operating Ambient Temperature Range ........................ -40 to +85 Power De-rating Curve .............................. refer to Application Note Storage Temperature Range ....................................... -40 to +125 Dimensions ................. 2.30 x 1.45 x 0.42 inches(58.4 x 36.8 x 10.6 mm) Weight .............................................................................. 40g Short Circuit Protection...................................................Continuous/hiccup NOTE: Line Regulation, Note1 ....................................................... 0.2% max. Load Regulation, Note2 ...................................................... 0.5% max. Over Voltage Protection Trip Range, %Vo nom. .................... 115%-140% External Trim Adj. Range, Note6 ................................................. 10% Current Limit ........................................... 110% - 150% Nominal Output 1. Measured From High Line to Low Line 2. Measured From Full Load to Zero Load 3. The output ripple and noise is measured with 10uF tantalum and 1uF Ceramic capacitor across output. 4. Logic Compatibility .................. Open Collector ref to -Input Module ON ................................................... Open Circuit Module OFF ...................................................... < 1.2Vdc 5. Suffix "N" to the Model Number with Negative Logic Remote ON/OFF Module ON ....................................................... < 1.2Vdc Module OFF ................................................. Open Circuit 6. Trim-up ........... connect a resistor between the trim pin and +Sense Trim-down ........ connect a resistor between the trim pin and -Sense Start up time .................................................................... 150ms typ. SIZE QB Dimensions : 2.30 (58.4) QB-5 1-2 2.000 (50.80) 0.300 (7.62) 1.45 0.600 (36.8) (15.24) 0.600 (15.24) 0. (10.6) Typical Derating Curve for CQB125-48S3V3 35 0.145 (3.68) 0.040 (1.02) EXTERNAL OUTPUT TRIM +SENSE +SENSE TRIM UP TRIM TRIM 10K Ohms TRIMPOT 25 20 20LFM 15 10 100LFM 200LFM 300LFM 5 TRIM DOWN -SENSE 30 Outpu t Curren t (A) 0.062 (1.57) 0 25 -SENSE 35 45 55 65 Am bient Te mpera tu re(C) 2 75 85 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Cincon: CQB125-48S1V0 CQB125-48S1V2 CQB125-48S1V5 CQB125-48S1V8 CQB125-48S2V5 CQB125-48S3V3 CQB125-48S05 CQB125-48S12 CQB125-48S1V5N CQB125-48S1V2N CQB125-48S1V8N CQB125-48S12N CQB125-48S3V3N CQB125-48S1V0N CQB125-48S2V5N CQB125-48S05N