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.
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Specifications: |
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| 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:
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| 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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