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Specifications
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Input
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Input Voltage Range
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10.0-40.0 VDC
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Transient Input Range
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50 VDC for 100 ms
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Inrush Current
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<40 A at 28 VDC
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Turn On
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>8.7 VDC
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Turn Off
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<8.0 VDC
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Input Reverse Voltage Protection
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None
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Input Current
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See table on datasheet
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Output
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Output Voltage
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See table on datasheet
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Output Voltage Trim
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-20%, +10% (±10% for 3.3 V version), see note 4 of datasheet
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Minimum Load
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No minimum load required on single output models, 5% load required on each output of dual output models
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Line Regulation
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±1% Vout nominal
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Load Regulation
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Single Output: ±1% Vout nominal, Dual Output: ±2%
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Output Set Tolerance
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±1.5% max
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Ripple & Noise
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≤5 Vout: 50 mV pk-pk max, >5 Vout: 100 mV pk-pk, at max load and 20 MHz bandwidth
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Overvoltage Protection
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120-140% Vout max
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Overcurrent Protection
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110-140% at nominal input voltage
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Short Circuit Protection
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Output turns off until the short is removed
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Thermal Warning
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Active when internal temp is >105 ºC
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Remote Sense
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10 %, see note 4 of datasheet
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Cross Regulation
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±4% on dual outputs, see note 2 of datasheet
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Transient Response
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±4% max deviation recovery to within 1% in 500 µs for a 50% load change at 0.1 A/µs
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Start Up Time
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<100 ms
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Start Up Rise Time
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<20 ms
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Current Share
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Parallel up to 4 modules, single output versions only
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Temperature Coefficient
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0.03%/ºC
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Remote On/Off
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On = >3.5 V or open circuit, Off = <1.8 V
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Maximum Capacitive Load
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300 µF x Iout max for startup within 100 ms
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General
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Efficiency
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See table on datasheet
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Isolation
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1500 VDC Input to Output 1000 VDC Input to Case 1000 VDC Output to Case
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Isolation Capacitance
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2500 pF
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Switching Frequency
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Fixed, 450 kHz typical
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Frequency Synchronization
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450-550 kHz
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MTBF
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>1 MHrs to MIL-HDBK-217F at 25 °C, GF
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Environmental
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Case Temperature
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-40 °C to +100 °C (start up at -55 °C)
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Operating Humidity
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95% Relative Humidity 240h MIL-STD-810F Method 507.4
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Storage Temperature
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-60 °C to +125 °C
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Operating Altitude
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Tested to 70000 ft (21336 m)
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Shock
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75 g MIL-STD-810F Method 516.5
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Vibration
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15 to 2000 Hz MIL-STD-810F Method 514.5, table 514.5-VIII
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Bump
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2000 Bumps in each axis 40 g MIL-STD-810F Method 516.5
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Salt Atmosphere
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48 hours MIL-STD-810F Method 509.4
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EMC and Safety
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Conducted Emissions
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EN55022 Conducted Level B* MIL-STD 461F: CE102* (see datasheet)
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Immunity
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MIL-STD-704 B-F, MIL-STD-1275A/B/C/D* (see datasheet)
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Conducted Susceptibilty
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MIL-STD-461F CS101, CS114, CS115, CS116* (see datasheet)
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AC-DC电源
