EC9B SERIES 30 WATT 2:1 INPUT DC-DC CONVERTERS FEATURES * 30W Isolated Output * Efficiency to 92% * 2 X1 Six-Sided Shield Metal Case * Fixed Switching Frequency * 2: 1 Input Range * Regulated Outputs * Input Under Voltage Protection * Over Current Protection * Remote On/Off * Continuous Short Circuit Protection * No Tantalum Capacitor Inside * CE Mark Meets 2004/108/EC * Safety Meets UL60950-1, EN60950-1, and IEC60950-1 OUTPUT CURRENT INPUT CURRENT MODEL INPUT OUTPUT % CAPACITOR NUMBER VOLTAGE VOLTAGE EFF. LOAD MAX. MIN. MAX. NO LOAD FULL LOAD 9-18 VDC 3.3 VDC 0mA 7500mA 170mA 2371mA 7500F EC9B-12S33 87 9-18 VDC 5 VDC 0mA 6000mA 150mA 2841mA 6000F EC9B-12S05 88 9-18 VDC 12 VDC 0mA 2500mA 55mA 2732mA 2500F EC9B-12S12 91.5 9-18 VDC 15 VDC 0mA 2000mA 80mA 2762mA 2000F EC9B-12S15 90.5 9-18 VDC 12 VDC 0mA 1250mA 55mA 2793mA 1250F EC9B-12D12 89.5 9-18 VDC 15 VDC 0mA 1000mA 60mA 2778mA 1000F EC9B-12D15 90 18-36 VDC 3.3 VDC 0mA 7500mA 110mA 1172mA 7500F EC9B-24S33 88 18-36 VDC 5 VDC 0mA 6000mA 90mA 1389mA 6000F EC9B-24S05 90 18-36 VDC 12 VDC 0mA 2500mA 50mA 1359mA 2500F EC9B-24S12 92 18-36 VDC 15 VDC 0mA 2000mA 80mA 1374mA 2000F EC9B-24S15 91 18-36 VDC 12 VDC 0mA 1250mA 40mA 1366mA 1250F EC9B-24D12 91.5 18-36 VDC 15 VDC 0mA 1000mA 40mA 1366mA 1000F EC9B-24D15 91.5 36-75 VDC 3.3 VDC 0mA 7500mA 70mA 586mA 7500F EC9B-48S33 88 36-75 VDC 5 VDC 0mA 6000mA 50mA 698mA 6000F EC9B-48S05 89.5 36-75 VDC 12 VDC 0mA 2500mA 30mA 687mA 2500F EC9B-48S12 91 36-75 VDC 15 VDC 0mA 2000mA 50mA 691mA 2000F EC9B-48S15 90.5 36-75 VDC 12 VDC 0mA 1250mA 40mA 691mA 1250F EC9B-48D12 90.5 36-75 VDC 15 VDC 0mA 1000mA 45mA 691mA 1000F EC9B-48D15 90.5 NOTE: 1. Nominal Input Voltage 12, 24 or 48VDC 1 SPECIFICATIONS All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS: Input Voltage Range................. 12VDC ....................... 9-18VDC Efficiency ................................................................... See Table 24VDC .................... 18-36VDC Isolation Voltage ............ Input/Output ....... 1500VDC max. 9 48VDC .................... 36-75VDC Isolation Resistance .............................................. 10 ohm min. Input Surge Voltage (100ms max.) . 12VDC .......... 25VDC max. Is o la t io n C a p a c i ta n c e ... 1000pF typ. 24VDC ................. 50VDC max. Switching Frequency ......................................... 400KHz, typ. 48VDC ............... 100VDC max. EMI/RFI ... Six-Sided Continuous Shield Under Voltage Lockout .... 12Vin Power Up .. 8.8VDC typ. Operating Ambient Temperature .... -40 to +85 12Vin Power Down ... 8.0VDC typ. De-rating, Above 65 Linearly to Zero Power at 105 24Vin Power Up ... 17VDC typ. Case Temperature (Note 5) .. 105 max. 24Vin Power Down .... 16VDC typ. Cooling Natural Convection 48Vin Power Up .... 34VDC typ. Storage Temperature .................... -55 to +125 48Vin Power Down ... 32VDC typ. Thermal Shutdown, Case Temp............................. 110 Positive Logic Remote On/Off (Note 3 & 4) Humidity ................................................. 95% RH max. Non-Condensing Input Filter ....... PI Type MTBF MIL-STD-217F, GB, 25, Full Load Single .. 900Khrs typ. Dual 700Khrs typ. OUTPUT SPECIFICATIONS: Voltage Accuracy .............................................. 1.0% max. 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 Voltage Balance (Dual) .. 1.0% max. Transient Response: 75% - 100% Step Load Change Weight ... 35g Error Band 5% Vout nominal, Recovery Time ... < 250us NOTE : Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC) 1. Measured From High Line to Low Line. 3.3V & 5V .... 75mV pk-pk max. 2. Measured From Full Load to 0% Load. 3. Logic Compatibility CMOS or Open Collector TTL, Referenced to Vin. 12V & 15V & 12V & 15V ... 100mV pk-pk max. Temperature Coefficient ..... 0.03%/C Module On .. >3.5VDC to 75VDC or Open Circuit Line Regulation (Note 1) .. Single/Dual ................... 0.2% max. Module Off ... <1.2Vdc. Load Regulation (Note 2) .... Single .................... 0.5% max. 4. Suffix to the Model Number with Negative Logic Remote ON/OFF Module On .. < 1.2VDC Dual .................. 1.0% max. Cross Regulation (Dual Output) Load Cross Variation 10%/100% ... 5% max. Module Off .... >3.5VDC to 75VDC or Open Circuit Over Voltage Protection ... Zener or TVS Clamp 5. Maximum Case Temperature Under Any Operating Condition Should Output Short Circuit Protection ............................................... Continuous not be exceeded 105. Output Current Limit, % Nominal Output ......................... 110% ~150% External Trim Adj. Range (Single Output Models Only) ... 10% Start Up Time . 5ms typ. Typical Derating curve for Natural Convection 120% -40 65 100% 80% Case B Dimensions: Natural 60% Convection All Dimensions In Inches (mm) Tolerances Inches X.XX= 0.02 , X.XXX= 0.010 40% Millimeters X.XX= 0.5 , X.XXX= 0.25 20% 105 0% 1.00 25.4 -40 -20 0 20 40 60 80 100 120 0.400 0.400 0.10 o Ambient Temperature( C) 10.16 10.16 2.5 3 5 4 EXTERNAL OUTPUT TRIM PIN CONNECTION +Vout +Vout Pin Single Dual 1 +Vin +Vin TRIM DOWN BOTTOM VIEW 2 -Vin -Vin 3 +Vout +Vout 10K Ohms TRIM TRIM Trim -Vout 4 TRIMPOT 5 -Vout Common Remote ON/OFF 6 TRIM UP 1 2 6 -Vout -Vout 0.200 0.20 5.08 5.1 0.40 10.2 0.600 15.24 0.22 min. 5.6 2 2.00 50.8 1.800 0.10 45.72 2.5 0.040 1.02 LOAD(%)