Page 1 - MPD MPU-400CS Datasheet
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Single Output, 400W

Compact, U-Channel

AC/DC Power Supplies

Electrical Specifi cations
Key Features: Specifi cations typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifi cations subject to change without notice.
• Compact 400W Supply Parameter Conditions Min. Typ. Max. Units
• EN 60950 Approved Input Voltage Range Universal 90 264 VAC
Input Frequency 47 63 Hz
• PFC to EN 61000-3-2 “D”
Input Current, Full Load 90 VAC 6.35 A
• Low Profi le <1U Height Inrush Current, Cold Start 230 VAC 35 A
• 700W Peak Power Leakage Current 1.5 mA
Power Factor Correction Meets EN 61000-3-2 Class D
• Universal 90-264 VAC Input Input Protection Two T8A/250V Fuse
• Current Share Option Input Undervoltage Protection Under 80 VAC ±5 VAC Unit Shuts Down; Unit Recovers Over 86 VAC
Parameter Conditions Min. Typ. Max. Units
Output Voltage Adjustment By Trim Pot, U-Channel Model Only ±5.0 %
Output Regulation, See Note 1 ±1.0 %
Hold Time 120 VAC, 80% Load 20 mSec
Ripple & Noise (20 MHz), See Note 2 See Model Selection Guide
Overload Protection Foldback Circuit, Autorecovery 110 140 %
Over Voltage Protection >130% of Rated Output Voltage. Recycle AC Input.
Over Temperature Protection Autorecovery +85 ºC
Temperature Coeffi cient ±0.04 %/ºC
Transient Recovery Time, See Note 4 2.5 mS
Transient Response Deviation 50% Load Change 5.0 %
Overshoot/Undershoot At Turn On/Off ±5.0 %
Turn On Delay 230 VAC 1.0 S
Output Short Circuit Continuous With Autorecovery
Parameter Conditions Min. Typ. Max. Units
Input - Output 4,000
Isolation Voltage, See Note 5 Input - FG (Frame Ground) 1,500 VAC
Primary - Core 1,500
Switching Frequency Fixed 30 kHz
Interface Signals
LED Power Supply On Bi-color LED Is Green For Power On; Orange When Protection Enabled
Signal goes low (0V) if input drops below 80 VAC (± 5VAC). Signal goes
AC Fail (Option)
high (5V) if input rises above 86 VAC
Current Monitor A 0.5 to 3.0V Output That Represents 0% to 100% Output Current
Current Share (Option) For Sharing Up To Four Units. Contact The Factory For Details
Margin (Option) For remote output voltage adjustment. Contact The Factory For Details
Remote Sense Compensates For Up To A 0.5V Line Drop
Goes TTL high 100 to 500 mS after regulation. Goes low at least 1 mS
Power Good Signal
before the loss of regulation.
MicroPower Direct Remote On/Off A TTL low signal inhibits the output.
292 Page Street
Suite D Environmental Conditions Min. Typ. Max. Units
Stoughton, MA 02072 Operating Temperature Range Ambient 0 +25 +70 ºC
Output Derating 2.5%/ ºC from +50 ºC to + 70 ºC
Storage Temperature Range -20 +85 ºC
T: (781) 344-8226 Cooling See Model Selection Guide
F: (781) 344-8481 Operating Humidity RH, Non-condensing 90 %
E: Reliability Specifi cations
Parameter Conditions Min. Typ. Max. Units
MTBF MIL HDBK 217F, 30ºC, Gnd Benign 100 kHours
Safety Standards EN 60950, UL 60950
EMI Compliance Compliance to EN 55022 (CISPR22) Class B; EN 61000-3-2, 3
EMS Immunity Compliance EN 61000-4-2,3,4,5,6, 8,11; EN 55024, CE Marked (LVD)
Vibration Sinusoidal 5~50 Hz, Acceleration ±7.35 m/s on X, Y & Z Axis
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