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Specifications
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Input
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Input Voltage Range
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18.5-34 VDC steady state
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Input Current
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38 A at 18.5 V 400 W
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Inrush Current
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<60 A
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Input Reverse Voltage Protection
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Yes
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Input Transient
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MIL-STD-1275A/B/C/D
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Undervoltage Lockout
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Vin <18 VDC
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Output
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Output Voltage
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O/P 1-4: regulated outputs 2-48 VDC
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Output Voltage Adj
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O/P 1-4: 10-110% factory set. For outputs below 90% of nominal, a minimum load of 10% is required
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Aux. Output Voltage
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Vout Aux (min) = Vin - 2 VDC
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Aux. Output Power
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100 W for MCC300, 200 W for MCC600 (9 A max)
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Maximum Aux Output
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Vout clamped <36 VDC
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Minimum Load
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No minimum load (output ripple increased at Pout <10% Pout max)
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Line Regulation
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1% max
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Load Regulation
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1% max
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Cross Regulation
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Outputs 1-4 individually regulated, no cross regulation
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Output Set Tolerance
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±100 mV
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External Hold Up
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External connection for additional hold up capacitance, consult sales
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Ripple & Noise
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50 mV or 1% pk-pk, whichever is the greater, 20 MHz bandwidth
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Low Noise (Option ‘Q’)
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Outputs 1 & 2: 25 mV reduction (MCC400 only) Outputs 3 & 4: 45 mV reduction (MCC400 only)
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Temperature Coefficient
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±0.05%/˚C
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Overvoltage Protection
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110-120% of nominal output
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Overcurrent Protection
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110-120% of nominal output
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Short Circuit Protection
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Constant current
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Overtemperature Protection
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>+90 ºC baseplate temperature, auto restart
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Remote Sense
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Outputs 1 & 2, Compensate for 0.5 V total voltage drop
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General
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Efficiency
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75% typical
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Isolation Voltage
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500 VDC Input to Output, 500 VDC Output to Chassis, 500 VDC Input to Chassis
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Material and Finish
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Aluminium baseplate and safety cover
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Input Inhibited Current
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Global enable and disable function, short to negative input to inhibit
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DC OK Signal
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Optional on output voltages ≥5 VDC Isolated opto-coupler output
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MTBF
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517 kHrs to MIL-HDBK-217F at 40 ºC, GB
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Environmental
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Operating Temperature
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-40 ºC to +70 ºC ambient with baseplate temperature within -40 ºC to +90 ºC
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Extended Temperature
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-55 ˚C to +90 ºC baseplate temperature, see note 4 of datasheet
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Cooling
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Baseplate-cooled. It is recommended that a thermal pad or compound is fitted between the MCC baseplate and any heatsink structure used in the system design.
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Operating Humidity
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20-95% non-condensing
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Storage Temperature
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-40 ºC to +90 ºC
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Storage Humidity
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20-95% non-condensing
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Shock
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40 g MIL-STD-810F, method 516.5-1
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Vibration
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MIL-STD-810F, method 514.5C-17 minimum integrity test for military equipment
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EMC and Safety
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Emissions
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EN55022 Level B conducted MIL-STD-461E/F army ground use CE101 & CE102,DEF STAN 59-41 DCE01, DCE02
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Conducted Immunity
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MIL-STD-1275A/B/C/D, DEF STAN 61-5 Pt 6 MIL-STD-461E/F CS101, CS114, CS115, CS116,
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AC-DC电源
