EC3A (3 WATT WIDE OUTPUT DC/DC CONVERTER) (PDF) Features 3W Isolated Output 24-pin DIP Package Regulated Outputs Efficiency to 80% Low Ripple and Noise Pi Input Filter Continuous Short Circuit Protection Input Specifications Input Voltage Range 5V ±10% 12V 9-18V 24V 18-36V 48V 36-72V Input Filter Pi Type Output Specifications Voltage Accuracy ±2.0% max. Voltage Balance (dual) ±1.0% max. Temperature Coefficient ±0.05% / ºC Ripple and Noise, 20 MHz BW 3.3V 100mV p-p max. 12V / 15V 1% p-p max. Short Circuit Protection Continuous Line Regulation, Single/Dual ±0.5% Load Regulation Single ±0.5% Dual ±1.0% General Specifications Efficiency See Table Isolation Resistance 10ª ohms (a=9) Switching Frequency 100KHz, min Operating Temperature Range -25ºC to +71ºC Case Temperature Plastic 95ºC max. Copper 100ºC max. Cooling Free Air Convection Storage Temperature Range -40ºC to +100ºC Dimensions Milimeters 31.8 x 20.3 x 10.2 Inches 1.25 x 0.8 x 0.4 Isolation Voltage 500 VDC min Standard Models 3K VDC min Suffix "H" Models Case Materials Standard Models Non-Conductive Black Plastic Suffix "M" Models Black Coated Copper with Non- Conductive Base EC3A Series Specifications Model Number Input Voltage Output Voltage Output Current Input Current Efficiency Case (specs) No Load Full Load EC3A01 4.5-6 VDC 5.0 VDC 600.0 mA 15.0 mA 850.0 mA 70% A EC3A02 4.5-6 VDC 12.0 VDC 250.0 mA 15.0 mA 800.0 mA 75% A EC3A03 4.5-6 VDC 15.0 VDC 200.0 mA 15.0 mA 800.0 mA 75% A EC3A04 4.5-6 VDC ±5.0 VDC ±300.0 mA 25.0 mA 850.0 mA 70% A EC3A05 4.5-6 VDC ±12.0 VDC ±125.0 mA 25.0 mA 800.0 mA 75% A EC3A06 4.5-6 VDC ±15.0 VDC ±100.0 mA 25.0 mA 800.0 mA 75% A EC3A07 4.5-6 VDC 3.3 VDC 600.0 mA 15.0 mA 650.0 mA 61% A EC3A11 9-18 VDC 5.0 VDC 600.0 mA 7.5 mA 340.0 mA 73% A EC3A12 9-18 VDC 12.0 VDC 250.0 mA 7.5 mA 320.0 mA 78% A EC3A13 9-18 VDC 15.0 VDC 200.0 mA 7.5 mA 320.0 mA 78% A EC3A14 9-18 VDC ±5.0 VDC ±300.0 mA 12.0 mA 340.0 mA 73% A EC3A15 9-18 VDC ±12.0 VDC ±125.0 mA 12.0 mA 320.0 mA 78% A EC3A16 9-18 VDC ±15.0 VDC ±100.0 mA 12.0 mA 320.0 mA 78% A EC3A17 9-18 VDC 3.3 VDC 600.0 mA 7.5 mA 254.0 mA 65% A EC3A21 18-36 VDC 5.0 VDC 600.0 mA 5.0 mA 168.0 mA 74% A EC3A22 18-36 VDC 12.0 VDC 250.0 mA 5.0 mA 156.0 mA 80% A EC3A23 18-36 VDC 15.0 VDC 200.0 mA 5.0 mA 156.0 mA 80% A EC3A24 18-36 VDC ±5.0 VDC ±300.0 mA 7.5 mA 168.0 mA 74% A EC3A25 18-36 VDC ±12.0 VDC ±125.0 mA 7.5 mA 156.0 mA 80% A EC3A26 18-36 VDC ±15.0 VDC ±100.0 mA 7.5 mA 156.0 mA 80% A EC3A27 18-36 VDC 3.3 VDC 600.0 mA 5.0 mA 125.0 mA 66% A EC3A31 36-72 VDC 5.0 VDC 600.0 mA 2.0 mA 82.0 mA 76% A EC3A32 36-72 VDC 12.0 VDC 250.0 mA 2.0 mA 78.0 mA 80% A EC3A33 36-72 VDC 15.0 VDC 200.0 mA 2.0 mA 78.0 mA 80% A EC3A34 36-72 VDC ±5.0 VDC ±300.0 mA 3.0 mA 82.0 mA 76% A EC3A35 36-72 VDC ±12.0 VDC ±125.0 mA 3.0 mA 80.0 mA 78% A EC3A36 36-72 VDC ±15.0 VDC ±100.0 mA 3.0 mA 80.0 mA 78% A EC3A37 36-72 VDC 3.3 VDC 600.0 mA 3.0 mA 61.0 mA 68% A

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