DC to DC Converter for Aircraft Applications PSA-1

PSA-1

  • RTCA DO160 qualified
  • Adjustable output voltage
  • Input meets MIL-STD-704
  • Fully isolated

DC INPUT:
28 VDC 47-63 Hz single phase. Meets MIL-STD-704, Continuous operation from 18 to 40 VDC.

EFFICIENCY:
81% typical.

LINE REGULATION:
±1% of nominal over the full range of line input voltage.

LOAD REGULATION:
±1% for change from no load to full load.

OUTPUT VOLTAGE:
Adjustable between 0 and 5 VDC and not to exceed 6.5 VDC regardless of load or setting.

OUTPUT CURRENT:
Limited at 11.5A max even when short circuited.

INPUT CURRENT:
Is less than 2.5A @ 28 VDC with nominal output load of 5V/7.5A. Input current is always less than 2.8A at maximum output load of 8.2A or when load is removed from output.

OPERATING TEMPERATURE RANGE:
Storage, transportation and handling: -62 ° to +72 °C.
Ambient temperature: -20 °C to +70 °C baseplate.

ISOLATION:
The input power circuits and DC output voltage lines are isolated from the chassis.

INSULATION RESISTANCE:
20 Megaohms or greater between individually insulated terminals and between all terminals and the case when tested at 500 VDC.

DIELECTRIC WITHSTANDING VOLTAGE:
1500 V AC RMS, 60 Hz between all terminals and the case, for 1 minute, without any leakage current in excess of 1mA or evidence of damage due to arcing or insulation breakdown.

RELIABILITY:
MTBF 40,000 hours calculated per MIL-HDBK-217B in naval sheltered environment.

TESTING QUALIFICATIONS:
All units are qualified per RTCA DO 160.

WEIGHT:
1.4 lbs.

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