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Model: MPM-842P
The MPM-842P is a medical grade AC/DC metal enclosed  ATX switching power supply. The MPM-842P medical power supply features universal AC input, active PFC, ATX output (3.3V/5V/-5V/12V/-12V/+5V stand-by), 400 watts, continouous output rating and 450 watts peak output for up to 10 seconds, low current leakage, long life ball-bearing fan and is UL 60601-1 and IEC 60601-1 safety approved. The MPM-842P is designed for use with medical information systems and other medical purpose systems.
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Features
  • 400W continuous and 450W peak power
  • Active PFC
  • Metal enclosed with ATX output connector, SATA connector
  • Build-in long life ball bearing FAN
  • Over Voltage, Short Circuit and Over Temperature protection,
  • Designed to meet medical application safety standards.
Input Specification
Input Type AC
Input Voltage 100-240 VAC continuous input range
Input Frequency 47-63 Hz
Inrush Current 40A at 115 VAC, 80A at 230 VAC
Output Specification
Outputs +5V +12V -12V +3.3V +5Vsb
Minimum Output Current 1A 1A 0A 0.5A 0A
Rated Output Current 16A 21A 0.8A 16A 0.75A
Maximum Output Current 21A 22A 1A 22A 1.5A
Peak Output Current N/A 25A N/A N/A N/A
Line Regulation ±1% ±1% ±1% ±1% ±1%
Load Regulation ±5% ±5% ±10% ±5% ±5%
Ripple and Noise (peak to peak) 50 mV 120 mV 120 mV 50 mV 120 mV
Efficiency > 75%
MTBF >100,000 hours at 50 °C
Interface Signals and Internal Protection
Power On/Off The power supply will be turned on when the power ON/OFF pin is connected to secondary GND.
Power Good Signal When power is turned on, the power good signal will go high 100ms to 500ms after all output DC voltages are within regulation limits.
Power Fail Signal The power fail signal will fall at least 1 ms before any of the output voltages lower the regulation limits.
Short Circuit Protection Fully protected against short circuit. Auto-recovery mode upon of short circuit condition, except 3.3V latch off mode
Over Voltage Protection The trigger points are around 3.76V~4.9V at 3.3V output, 5.74V~7.5V at 5V output and 13.4V~15.6V at 12V output.
Over Temperature Protection When the power supply operating over the temperature or over load limit, the power supply will be shut down automatically to protect itself.
Safety Approvals, EMI and EMS specification
Power Supply Safety Approval
Designed to meet UL/cUL, UL60601-1
CB, IEC60601-1
TUV, EN 60601-1
EMI
EN 60601-1-2 class B
PFC

EN 61000-3-2

EN 610003-3

class D
EMS
IEC 61000-4-2 8KV air discharge level 3
IEC 61000-4-3 3V/M level 3
IEC 61000-4-4 2KV line & PE level 3
IEC 61000-4-5 2KV level 3
IEC 61000-4-6 3V/M level 3
IEC 61000-4-8 3A/M level 3
Environment Specification
Operating Temperature 0~70 °C, Derate linearly above 50°C by 2.5% per °C
Storage Temperature -20~70°C
Relative Humidty Non-condensing at 40°C, 5-95%RH
Dimension
Width x Length x Height 150 x 140 x 86 (mm)
 
Ordering Information
MPM-842P 400W medical grade ATX AC/DC switching power supply
 
See Also
MPM-825A 280 medical grade ATX AC/DC switching power supply
MPM-A30H 300W medical grade fanless ATX AC/DC switching power supply with active PFC

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