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Model: MPD-815H
The MPD-815H is a 150-watt isolated open frame DC/DC converter with 24V DC input and ATX output. The MPD-815H utilizes thermally efficient U-channel chassis and has no noise quality. The MPD-815H is designed for use with ultra quiet, low to mid level of power consumption systems.
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Features
  • 150W Convection cooling
  • 3.3V/5V/12V/-12V DC outputs, 5V Stand by
  • Open frame, thermally efficient U-channel design
  • Rated at 50 °C
  • PG/PF signal available
  • Short Circuit/Over voltage/Thermal protection
  • 100% 50 °C burn-in
  • Screwed terminal block for both input and output rails
  • Designed for IT, Industrial, Embedded System and fan-less Applications.
  • Rohs compliant
  • 2 years warranty
Input Specification
Input Type DC
Input Voltage 18V ~ 36V DC
Hold Up Time 5 ms @ 24VDC, rated load
Input Current 15A@24VDC, rated load
Inrush Current 60A@24VDC, one cycle at 25 °C
Output Specification
Outputs +5V +3.3V +12V -12V +5Vsb
Minimum Output Current 1A 0A 0A 0A 0A
Rated Output Current 11 A 7.5 A 5 A 0.5A 0.75A
Maximum Output Current 14 A 12 A 10 A 1A 1.5A
Line Regulation ±1% ±1% ±1% ±1% ±1%
Load Regulation ±2% ±4% ±4% ±5% ±4%
Ripple and Noise (peak to peak) 50 mV 50 mV 100 mV 150 mV 100 mV
Efficiency > 78% @ 24VDC, rated load
MTBF  
  • The maximum combined total output power on the 3.3V and 5V rails is 90W.
  • Initial setting accuracy is at input 24VDC and all output at 60% rated load.
Interface Signals and Internal Protection
Power On/Off The power supply will be turned on when the power On/Off ping is connected to secondary GND.
Power Good Signal When power is turned on, the power good signal will go high 100 ms to 500 ms after all output DC voltages are within regulation limits.
Power Fail Signal The power fail signal will go low at least 1 ms before any of the output voltages fall below the regulation limits.
Short Circuit Protection Fully protected against short circuit. Latch off mode upon of short circuit condition.
Over Voltage Protection The over voltage protection circuit will shut down the outputs to prevent damaging external circuits if error conditions occurred. The trigger point is about 5.4~7V at +5V. If the OVP occur, PSU cannot be recovered.
Over Temperature Protection Fully protected against output overload or over temperature. The protection point is at the temperature of the T1 over 125 °C. After the temperature of HS1 goes down, the power supply will restart automatically.
Safety Approvals, EMI and EMS specification
Safety

UL 60950

EMS IEC61000-4-2, 8KV air discharge and 6KV discharge : Level 3
IEC61000-4-3, 3V/M : level 3
IEC61000-4-4, 2KV : level 3
Radiation
Conduction
EN 55022/ CISPR 22 & FCC Part 15 : class B
EN 55022/ CISPR 22 & FCC Part 15 : class A
Environment Specification
Operating Temperature 0~50 °C at 100 % load, derate linearly above 50 °C by 2.5% per °C to maximum termperature of 70 °C at 50% load
Storage Temperature -20~70 °C
Altitude (max) up to 10,000 ft, operating.
Dimension
Width x Length x Height 198(L)x97(W)x40(H) (mm), Tolerance +/- 0.4mm
 
Ordering Information
MPD-815H 150W 18~36VDC open frame 24V ATX DC/DC converter
Cable (No. 866-815H) ATX connector, HDD connector x 2, FDD connector x 1
 
See Also
MPD-8071-S 70W 10~30VDC fanless triple output DC-DC power supply
MPD-810H 85W 10~30VDC fanless ATX DC/DC Power Supply
MPD-830C 300W 19~32VDC metal enclosed ATX DC-DC power supply
 

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