DC-DC CONVERTER FOR AIRCRAFT APPLICATIONS
• RTCA DO160C 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 currect is always less than 2.8A at maximum
output load of 8.2A or when load is removed from
output.
OPERATING TEMPERATURE RANGE:
S torage, transportation and handling: -62 o to +72 oC.
Ambient temperature: -20 oC to +70 oC baseplate.
ISOLATION:
The input power circuits and DC output voltage lines are
isolated from the chassis.
INSULATION RESISTANCE:
20 Megohms or geater 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 arching 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 160C.
WEIGHT:
1.4 lbs.