DC POWER CONVERTERS TSO'D


 


 


 

TSO'd REGULATED DC-DC POWER CONVERTER

(14 to 28Vdc High Power DC Converter)

DESCRIPTION

The KGS model RH28 converts 14 Vdc input voltage to a regulated 28 Vdc output voltage.  The converter is capable of delivering 280 Watts continuously at 28 Vdc and up to 10 amperes output. 

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.  Because of the design topology, a wide input voltage range is possible while delivering highly regulated 28Vdc output power.

RH28

       SPECIFICATIONS

Input Voltage: Normal:  12 to 28 Vdc       Abnormal:  8 to 36Vdc
Input Current: 21.8 Amps typ at 14 Vdc input & @FL   (0.5 Amps maximum at no load)
Overload: Unit will not suffer damage or degradation in performance from an overload input current of  50 Amps for 5 Sec or until a 25 Amp input circuit beaker trips
Output Voltage: 28 ± 0.5 Vdc regulated for input voltage from 8 to 28 Vdc (Switching Mode)
Follows input voltage for the input above 28 Vdc (Override Mode)
Output Current: 0-10 Amps continuous.  15 amps for 5 minute.
Power: 280 Watts continuous for input voltage from 12 to 28 Vdc.
420 Watts for 5 minutes at 14 Vdc input voltage
Regulation: 1% for line, 1% for load and 1% for temperature
Overload (OL): Delivers 110% output power for 2 hours minimum 
Protection (OL):

 Withstands without damage or degradation, loads exceeding 110% of the rated current.  Output voltage falls toward input voltage when load exceeds 20 Amps.  Unit delivers rated output power upon removal of the overload (OL) conditions.

Protection (SC): Unit is protected against output short circuit by an external 25 Amp input circuit breaker per MIL-C-5809
Efficiency: 92% typical
Temperature: -55° C to +71° C
Altitude: 55,000FT
Compliance: FAA TSO-C71
Environmental: DO-160D/C test, design similarity and/or design analysis: 
 
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Weight: 1.3 lbs. 
Size:  2.75  W  x   6.875   L  x  2.24  H   inches      Less protrusion of connector 
 69.9  W  x   174.6  L   x  56.9  H   mm          and screw heads
Cooling: Convection and thermal conduction through the bottom plate (No internal fan)
Finish: Gold iridite per MIL-C-5541 Class 1A


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KGS Electronics
418 East Live Oak Ave
Arcadia, CA 91006-5619 (USA)
Phone: 626-574-1175
Fax: 626-574-0553

info@kgselectronics.com