48H3040-2 Datasheet

50 Watt DC-DC Converters


Features, Applications

Wide input voltage ranges or 3 outputs kA DC I/O electric strengh test voltage

Rugged electrical and mechanical design Output 1 regulated, outputs 2 and 3 tracking Operating ambient temperature range �25...71 �C with convection cooling

Efficiency Output voltage 1 setting acc. Output voltage 2, 3 setting acc. Output voltage switching noise Line regulation Load regulation output 1 Load regulation output 2, 3 Output voltage 2, 3 Cross load regulation outp. 2, 3 Minimum output current Current limitation main output Current limitation aux. output(s) Operation in parallel Hold-up time

Ui nom, Io nom Ui nom, Io nom Ui nom, Io nom IEC/EN 61204, total Ui min....Ui max, Io nom Ui nom, 0...Io1 nom 10...100% Io2,3 nom Ui nom, Io1 nom, 0...100% Io1 nom not required rectangular U/I characteristic rectangular U/I characteristic by current limitation Ui nom, Io nom, with ext. diode in input line

�2% Uo1 nom �7.5% Uo2,3 nom typ. 200 mVpp typ. �1% Uo nom typ. 0.2% Uo1 nom typ. 0.7 V max. 115% Uo2,3 nom typ. V 0A typ. 110% Io nom typ. 120% Io nom 1 ms

Input reverse polarity Input undervoltage lockout Input overvoltage lockout Input transient protection Output overvoltage Overtemperature with external fuse typ 80% Ui min typ 110% Ui max suppressor diode no-load, overload g2d short circuit proof suppressor diode in each output switch-off with auto restart

Output voltage adjustment Inhibit Status indication single output models 0...110% Uo1 nom TTL input, output(s) disabled if left open-circuit LEDs: OK, inhibit

Approvals Class of equipment Protection degree Electric strength test voltage UL 1950, CSA C22.2 No. 950 units without options I/case I/O O/case O/O class kV AC

Electrostatic discharge Electromagnetic field Electr. fast transients/bursts Surge Electromagnetic emissions

IEC/EN 61000-4-2, contact discharge, level 2 (4 kV) criterion A IEC/EN 61000-4-3, level x (20 V/m) criterion A IEC/EN 61000-4-4, input, level 1 (0.5 kV) criterion A IEC/EN 61000-4-5, input, level 1 (0.5 kV) criterion A CISPR 55022, 12H, conducted class A CISPR 55022, 12H, radiated class B CISPR 24H, 48H, radiated and conducted class B

Operating ambient temperature Operating case temperature TC Storage temperature Damp heat Vibration, sinusoidal Shock Bump MTBF

Ui nom, Io nom, convection cooled Ui nom, Io nom non operational IEC/EN 40 �C IEC/EN 10...60/60...150 Hz IEC/EN 11 ms IEC/EN ms MIL-HDBK-217E, GB, 40 �C, single output types


Extended temperature range �25...71 �C, ambient, operating Input and/or output undervoltage monitoring, excludes option V Input and/or output undervoltage monitoring (VME), excludes option V2, V3

Front panels 19" (Schroff/Intermas) Mating H11 connectors with screw, solder, fast-on or press-fit terminals Connector retention facilities and code key system for connector coding Flexible PCB for connecting the converter via an H11 connector, if mounted on a PCB Chassis or wall mounting plates for frontal access Universal mounting brackets for chassis or DIN-rail mounting

Pin Electrical Determination Inhibit control input Save Data or ACFAIL Output voltage (positive) Output voltage (negative) Control input + Control input � Output voltage (positive) Output voltage (negative) Output voltage (positive) Output voltage (negative) Protective earthing DC input voltage DC input voltage Vo3+ Vo3�



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Manufacturer information

Power-One has been acquired by Bel Fuse and is now marketed under Bel Power Solutions.

Power-One has been a leader in high-efficiency "green" power conversion and management solutions, including renewable energy. Power-One's green products include DC-DC converters and power supplies.

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