EC9BW SERIES 30 WATT 4:1 INPUT DC-DC CONVERTERS FEATURE * 30W Isolated Output * Efficiency to 91% * 1'' X 2'' Six-Sided Shield Metal Case * 4:1 INPUT RANGE * Regulated Outputs * Fixed Switching Frequency * Input under-voltage Protection * Over Current Protection * Remote ON/OFF * Continuous Short Circuit Protection * Without Tantalum Capacitors inside MODEL NUMBER EC9BW-24S33 EC9BW-24S05 EC9BW-24S12 EC9BW-24S15 EC9BW-24D12 EC9BW-24D15 EC9BW-48S33 EC9BW-48S05 EC9BW-48S12 EC9BW-48S15 EC9BW-48D12 EC9BW-48D15 INPUT OUTPUT OUTPUT CURRENT INPUT CURRENT VOLTAGE VOLTAGE MIN. MAX. NO LOAD FULL LOAD 9-36 VDC 3.3 VDC 0 mA 7500 mA 100 mA 1200 mA 9-36 VDC 5 VDC 0 mA 6000 mA 110 mA 1421 mA 9-36 VDC 12 VDC 0 mA 2500 mA 35 mA 1405 mA 9-36 VDC 15 VDC 0 mA 2000 mA 35 mA 1405 mA 9-36 VDC 12 VDC 0 mA 1250mA 35 mA 1437 mA 9-36 VDC 15 VDC 0 mA 1000mA 35 mA 1437 mA 18-75 VDC 3.3 VDC 0 mA 7500 mA 55 mA 600 mA 18-75 VDC 5 VDC 0 mA 6000 mA 711 mA 55 mA 18-75 VDC 12 VDC 0 mA 2500 mA 25 mA 695 mA 18-75 VDC 15 VDC 0 mA 2000 mA 20 mA 688 mA 18-75 VDC 12 VDC 0 mA 1250mA 25 mA 711 mA 18-75 VDC 15 VDC 0 mA 1000mA 20 mA 711 mA NOTE: 1. Nominal Input Voltage 24 or 48 VDC 1 % CAPACITIVE EFF. LOAD MAX. 88.5 89.5 90.5 91 90 90 88 90 90 90.5 90.5 90 7500F 6000F 2500F 2000F 1250F 1000F 7500F 6000F 2500F 2000F 1250F 1000F SPECIFICATIONS All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS: Input Voltage Range ............................................ 24V ................ 9 - 36V 48V ............. 18 - 75V Input Surge Voltage (100ms max.)........................ .24V............. 50Vdc max 48V.........100Vdc max Under voltage lockout ................. 24Vin power up ..................... 8.8V typ. 24Vin power down ............... 8.0V typ. 48Vin power up ....................... 17V typ. 48Vin power down ................... 16V typ. Input Filter ................................................................ PI Type Positive Logic Remote on/off Control: ( see note 3 & 4 ) Efficiency ........................................................................... See Table Isolation Voltage ........................................................... 1500 VDC min. 9 Isolation Resistance .................................................. 10 Ohms min. Isolation Capacitance..................................................1000pF Typ Switching Frequency ........................................................ 430KHz typ. EMI/RFI.................... Conductive EMI Mee EN55022 Class A (Note6) Operating Ambient Temperature Range........................ -40 to +75 Derating, Above 65 ..................... Linearly to Zero Power at +105 Case Temperature (note 5) .................................................. 105 Cooling ......................................................... Natural Convection OUTPUT SPECIFICATIONS: Storage Temperature Range ...................................... -55 to +125 Voltage Accuracy .............................................................. 1% max. Voltage Balance(Dual) ............................ ....................... 1% max. Transient Response: 75% ~ 100% Step Load Change. Error Band ...... 5% Vout nominal, Recovery Time ........... < 250us Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC) Vo=3.3 & 5V ......75mV p-p max. Thermal Shutdown, Case Temp. ................................. 110 Typ. Humidity....................................................95% RH max. Non condensing MTBF..........MIL-STD-217F.............................................T.B.D. hrs Dimensions............................. 2 x 1 x 0.4 inches (50.8 x 25.4 x 10.2 mm) Case Material ......... Black Coated Copper with Non-Conductive Base Weight ............................................................................. 35g Vo=12V & 15V & 12V & 15V .... 100mV p-p max Temperature Coefficient .................................................... 0.02%/C max. Line Regulation(Note1), ... single ........................................ 0.2% max. Dual.............................................. 0.2% max Load Regulation(Note2), ... single ........................................ 0.2% max. Dual.............................................. 0.5% max Cross Regulation(Dual output) Load cross variation 10%/100%.......5% max Over Voltage Protection ........................................ Zener or TVS Clamp Current Limit ........................................... 110% - 160% Nominal Output Output Short Circuit Protection .............................. Continuous (Hiccup Mode) External Trim Adj. Range ( single output models only ) ...................... 10% Start up time.........................................................................10ms typ NOTE : 1. Measured From High Line to Low Line 2. Measured From Full Load to min. Load 3. Logic Compatibility .... CMOS or Open Collector TTL, ref. to -Vin Module ON .................. >3.5Vdc to 75Vdc or Open Circuit Module OFF ................... <1.2Vdc 4. Suffix "N" to the Model Number with Negative Logic Remote ON/OFF Module ON ..................... <1.2Vdc, Module OFF .................... >3.5Vdc to 75Vdc or Open Circuit 5. Maximum case temperature under any operating condition should Not be exceeded 105. 6. Meet EN55022 Class A with external capacitor.(see application note ) Typical Derating curve for Natural Convection 120% SIZE B Dimensions: 65 -40 LOAD(%) 100% 80% Natural Convection 60% 40% 20% 105 0% -40 2 -20 0 20 40 60 80 100 120 Ambient Temperature(oC)