- VTA98021-00
- 1200W AC/DC Power Supply
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- FEATURES
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- - High Peak Current Capability
- - MIL-STD-704A, (115Vac, 3¯, 400Hz Input Power)
- - Supervision Circuits
- - High Input/Output Isolation
- - High Efficiency
- - Continuous Short Circuit Protection
- - Input Overvoltage Protection
- - Conduction Cooled
- - Thermal Protection
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- This Power Supply designed for high power, airborne applications, features a low profile package of 15.88Ó L x 6.35Ó W x 3.55Ó H or 3.35Watt/in3. It has excellent load regulation, input filtering, and low output ripple as well as current limiting/thermal shutdown.
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- Input Specifications:
- Steady State Voltage................................................ 100 to 125 Vac, 3¯
- Surge Voltage.......................................................... 88 VAC and 160 VAC for 0.1s
- Staedy State Frequency........................................... 380 to 420 Hz
- Inrush Current......................................................... 20 A peak max per line, 20 ms max.
- Isolation (input/output to chassis)........................... > 10 Megohm @ 500 Vdc
- Power Factor........................................................... > 0.98
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- Output Specifications:
- Nominal Nominal Maximum DC Load Ripple Maximum
- Voltage Current Current Regulation & Noise Power
- +28 VDC 5.5 A 7.1 A ± 3% < 500 mVp-p 199W
- +48 VDC 10 A 20.8 A ± 3% < 1.0 Vp-p 998W
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- Over-voltage Protection........................................... Any channel @ 115% of nominal output
- Current Limiting...................................................... Between 105 and 125% @ full load
- Efficiency (full load)............................................... > 83%
- Load Regulation...................................................... ±5% from 0% to 100% and
- ................................................................................ 100% to 0% Load variations
- Thermal Protection.................................................. At base-plate temperature of 80 ± 2¡C
- Over-Temperature Indication................................... Open-collector TTL-compatible.
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- Physical Specifications:
- Weight.................................................................... < 3.6 kg / 7.9 lbs
- Case........................................................................ Aluminum alloys
- Finish...................................................................... Allodyne chemical film
- Mounting................................................................ Eight ¯.28Ó mounting holes on base-plate
- Connectors.............................................................. Input: (J1) MS27474E14B5P
- Output: (J2) MS27474E16B8S
- Test Acc: (J3) MS27474E14B15S
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- Environmental Specifications:
- Shock (MIL-STD-810)........................................... Method 516.4, Procedure IV.
- Vibration (MIL-STD-810)...................................... Method 514.4, Cat 3 & Cat 8
- Temperature, Operating........................................... -40¡C to +70¡C @ base-plate
- Temperature, Storage............................................... -50¡C to +85¡C @ base-plate
- Cooling Method...................................................... Conduction cooling via 15.9Ó x 6.6Ó
- ................................................................................ mounting surface.
- Thermal Protection.................................................. Shutdown @ +85¼C at base-plate
- Humidity (MIL-STD-810)...................................... Method 507.3, Procedure III.
- EMI (MIL-STD-461C, part 2)................................ RE02, RS02, RS03.
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- Predicted Reliability (MIL-HDBK-217F)............... >25,000 Hours @ 50¼C.
