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RG56

TSO'd REGULATED DC-DC POWER CONVERTER
(28 to 14Vdc High Power DC Converter)

DESCRIPTION

The KGS model RG56 is a  high efficiency, high powered 28 VDC converter that provides regulated 14 Vdc output voltage. The converter is capable of delivering 560 Watts continuously at 28 Vdc input, up to 40 amperes output.

The 14 Vdc output is buck converted from the input voltage and therefore the output voltage is not isolated from the input.

A state of the art "Synchronous Current Mode Switching" topology with Surface Mount Technology (SMT) is used to realize the power conversion. Control circuitry includes use of a popular Synchronous PWM controller for voltage regulation and overload current limit. Protection circuitry includes output over voltage limit and output short circuit current limit.

Specifications

Input Voltage
28 Vdc , Normal Range  22 to 32 Vdc
Input Current
23 Amps typ at 28 Vdc input & @FL
0.5 Amps maximum at no load
Output Voltage
14 Vdc Regulated
Output Current
0-40 Amps continuous
Regulation
5% for load, .5% for line and 3% for temperature
Overload (OL)
Deliver 110% output power for 2 hours
Protection (OL)
Withstands without damage or degradation load exceeding 110% to an output short circuit. Unit delivers rated output power upon removal of the overload condition
Protection (SC)
Under a output short circuit condition, the current is limited to approximately 40 Amps
Efficiency
90% typical
Temperature
-55° C to +71° C
Cooling
Forced air cooling (internal fan) and thermal conduction through bottom plate
Altitude
55,000 FT
Compliance
Designed to meet FAA TSO-C71
Environmental
DO-160D/C by test, design similarity and/or design analysis per:            F2VBBB[STX]EWXDFSABAZZXL[XXC1]XXA
Finish
Gold iridite per MIL-C-5541 Class 1A
Weight
2.5 lbs. (1.1 kg)
Size
4.30 W x  6.88 L  x  2.75 H inches   
109.2 W  x  174.7 L  x  69.9 H mm      
Less protrusion of connector and screw heads
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121 King St, Melbourne VIC 3000, Australia.