EC1SC (20 Watt Wide Input DC-DC Converter) (PDF) Features 20 Watt Isolated Output Efficiency to 84% 4:1 Input Range Pi Input Filter Continuous Short Circuit Protection Meets EN55022 Class A, Conducted Remote On/Off Input Specifications Input Voltage Range 24V = 9-36V 48V = 18-72V Input Filter Pi Type Output Specifications Voltage Accuracy Single Output ±1.0% max. Voltage Accuracy Dual + Output ±1.0% max. Voltage Accuracy Dual - Output ±2.0% max. Voltage Balance, Dual Output at full load ±1.0% max. Transient Response   Single 25% Step Load Change <500u Sec Dual, FL-1/2L ± 1% Error Band <500u Sec External Trim Adj. Range ±10% Ripple & Noise, 20Mhz BW 20mV RMS, max. 75mV p-p max. Temperature Coefficient ±0.02%/ºC max. Short Circuit Protection Continuous Line Regulation, Single Dual / Output ±0.5% max. Load Regulation, Single Dual / Output ±0.5% max. General Specifications Efficiency See Table Isolation Voltage 1500 VDC Min Isolation Resistance 108 ohms min. Switching Frequency 300KHz Typ. Operating Temperature Range -25ºC to +71ºC Derating, Above 60ºC Linearly to Zero Power at +100ºC Case Temperature 100ºC Max Storage Temperature Range -55ºC to +105ºC EMI / RFI Six Sided Continuous Shield Dimensions Millimeters 50.8 x 40.64 x 11.43 Inches 2 x 1.6 x 0.45 Case Material Black Coated Copper with Nonconductive base EC1SC Series Specifications Model Number Input Voltage Output Voltage Output Current Input Current Efficiency Case No Load Full Load EC1SC01 9-36 VDC 5 VDC 4000 mA 15 mA 1029 mA 81 SC EC1SC02 9-36 VDC 12 VDC 1670 mA 15 mA 1006 mA 83 EC1SC03 9-36 VDC 15 VDC 1330 mA 15 mA 1004 mA 83 EC1SC04 9-36 VDC ±12 VDC ±833 mA 20 mA 1004 mA 83 EC1SC05 9-36 VDC ±15 VDC ±666 mA 20 mA 1004 mA 83 EC1SC06 9-36 VDC ±5 VDC ±2000 mA 20 mA 1004 mA 83 EC1SC07 9-36 VDC 3.3 VDC 4000 mA 15 mA 705 mA 78 EC1SC11 18-72 VDC 5 VDC 4000 mA 10 mA 508 mA 82 EC1SC12 18-72 VDC 12 VDC 1670 mA 10 mA 497 mA 84 EC1SC13 18-72 VDC 15 VDC 1330 mA 10 mA 496 mA 84 EC1SC14 18-72 VDC ±12 VDC ±833 mA 15 mA 496 mA 84 EC1SC15 18-72 VDC ±15 VDC ±666 mA 15 mA 496 mA 84 EC1SC16 18-72 VDC ±5 VDC ±2000 mA 15 mA 496 mA 84 EC1SC17 18-72 VDC 3.3 VDC 4000 mA 10 mA 353 mA 78 Back to top

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