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Model: MPD-425C
The MPD-425C is a metal enclosed DC-DC converter that can handle 24V DC input. The MPD-425C DC-DC converter features four DC outputs (5V/-5V/12V/-12V), 250 watts output rating and built-in long life ball-bearing fan. The MPD-425C is designed for use in ATX personal computers, workstations or equivalent systems. This power supply is typically used in 24V DC input applications.
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Features
  • 250W width 5V/-5V/12V/-12V outputs
  • Wide range DC input, 24V
  • Metal enclosed
  • Build-in long life ball bearing FAN
  • PG/PF signal available
  • Wrong polarity protection, over voltage protection, over load and short circuit protection
  • MTBF>186,000 hr. Mil-217F
  • 2 years warranty
Input Specification
Input Type DC
Input Voltage +19V DC to +32V DC
Input Current 16A at +12V DC
Inrush Current less than 10A at +24V DC
Output Specification
Outputs +5V +12V -12V -5V
Minimum Output Current 1.0A 0A 0A 0A
Rated Output Current 25A 10A 1A 1A
Maximum Output Current 30A 12A 2A 2A
Line Regulation 1% 1% 1% 1%
Load Regulation 4% 5% 3% 3%
Ripple and Noise (peak to peak) <1% <1% <1% <1%
Efficiency > 65%
MTBF 186,909 hours at 50 °C
Interface Signals and Internal Protection
Power Good Signal When power is turned on, the power good signal will go high 100mS to 500mS after all output DC voltage are within regulation limits.
Power Fail Signal The power fail signal will go low at least 0.5ms before any of the output voltage fall below the regulation limits.
Overload Protection For some reasons the power supply fails to control itself, so the built-in over voltage protection circuit will shut down the outputs to prevent damaging the external circuits. The trip point of crowbar circuit is around 5.7V to 7.0V. The power supply will go into hiccup mode against short circuit or over load conditions, and will auto-recovery while faulty conditions and removed.
Safety Approvals, EMI and EMS specification
Safety
Designed to meet UL 1950
CSA No.950-234
VDE EN 60950
Environment Specification
Operating Temperature 0~45°C
Storage Temperature -40~75°C
Altitude (max) up to 10,000 ft
Dimension
Width x Length x Height 150x140x86.2 (mm)
 
Ordering Information
MPD-425C 250W 24V Metal enclosed quad output DC-DC converter
 
See Also
MPD-810H 85W 10~30VDC fanless ATX DC-DC converter
MPD-8071-S 70W 10~30VDC fanless triple output  DC-DC converter
MPD-416S 160W 10~30VDC Metal Enclosed quad output  DC-DC converter
MPD-830C 300W 19~32VDC ATX DC-DC converter
 

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