DC POWER CONVERTERS TSO'D


 


 


 

REGULATED DC TO DC POWER CONVERTER
FAA TSO-C71

The RG40 is a solid-state, DC to DC switch-mode converter that converts an input DC voltage (27.5 VDC nominal) to a regulated 13.75 VDC output voltage.

The RG40 meets the Federal Aviation Administration (FAA) technical standard order TSO-C71 (airborne static DC to DC electrical power converter - for air carrier aircraft).

Two or more RG40's may be paralleled (external diodes required) if additional power is required.

 




RG40

Specifications:

Input Voltage:  22 to 41 VDC (27.5 VDC nominal)
Input Current:  18.1 ADC at full load (nominal)
Output Voltage:  13.75 VDC
Output Current:  30.0 ADC at full load
Output Ripple:  13.75 mV
Efficiency:  80% (minimum)
Load Regulation:  1% Line, 1% Load, 1% Temperature
Load Transient
Response:
 NL to FL condition: 4.0 Vp undershoot for 5.0 mSec. (nominal).

FL to NL condition: 2.0 Vp overshoot for 5.0 mSec. (nominal).

Overload Capacity:  110% of the rated output power for a period of two hours; 150% of the rated output power for a period of 5 minutes ( 1 min. at 70°C ambient temperature). Without damage or degradation, the converter will withstand a sustained short circuit and provide 200% of the rated output current for a period of one minute.
Protection Circuit
(Reverse Polarity):
 The converter will trip a MIL-C-5809 25 ADC input circuit breaker in the event of reverse polarity input voltage connection.
Protection Circuit
(Shut Down):
 The converter will shutdown under the following conditions:
  • Input voltage > 41 VDC
    (-3 VDC hysteresis)
  • Input voltage < 15 VDC
    (-2 VDC hysteresis)
  • Output voltage > 16 VDC
    (-2 VDC hysteresis)
  • Internal temperature > 100°C.
Temperature:  -55°C to +71°C (-65°F to 160°F)
Altitude:  55,000 ft.
Size:  9.50" L x 6.9" W x 3.38" H. (mounting flange included)
Weight:  3.5 lbs.
Environmental:  DO-160 Env. Cat F2XBB (LV) XXXXXXXXXXXX(ZA)XXX


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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