Page 1 - MPD MPU250 Datasheet
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MPU-250 Series




Single Output 250W

Power Factor Corrected


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.
Input
• Small 250W Supply
Parameter Conditions Min. Typ. Max. Units
• PFC to EN 61000-3-2 “A” 90 132
Input Voltage Range Autoranging VAC
• EN 60950 Approved (UL) 180 264
• CE Certifi ed Input Frequency 47 63 Hz
110 VAC 6
• FCC Class B Emissions Input Current, Full Load A
220 VAC 3
• 90 to 264 VAC Input 110 VAC 35
Inrush Current, Cold Start A
• Small 5” x 3.2” x 1.5” Size 220 VAC 70
Leakage Current 264 VAC 1.0 mA
Power Factor Correction Meets EN 61000-3-2 Class A
Input Protection T8A/250V Fuse
Output
Parameter Conditions Min. Typ. Max. Units
Output Voltage Adjustment By Trim Pot ±5.0 %
Output Regulation See Note 1 ±1.0 %
Hold Time 110 VAC, 80% Load 20 mSec
Ripple & Noise (20 MHz) See Note 2 See Model Selection Guide
Overload Protection Autorecovery 110 140 %
Over Voltage Protection >130% of Rated Output Voltage. Recycle AC Input.
Over Temperature Protection Autorecovery +110 ºC
Temperature Coeffi cient ±0.04 %/ºC
Transient Recovery Time, See Note 4 2.5 mS
Transient Response Deviation 50% Load Change 5 %
Overshoot/Undershoot At Turn On/Off ±5.0 %
Turn On Delay 230 VAC 1 S
Output Short Circuit Continuous With Autorecovery
General
Parameter Conditions Min. Typ. Max. Units
Input - Output 3,000
Isolation Voltage, See Note 5 Input - FG (Frame Ground) 1,500 VAC
Primary - Core 1,500
Switching Frequency Fixed 25 kHz
Interface Signals
Power Supply On Green LED on the PCB
Goes TTL high 100 to 500 mS after regulation. Goes low at least 1 mS
Power Good Signal
before the loss of regulation.
Remote On/Off A TTL low signal inhibits the output. Hiccup mode.
MicroPower Direct Environmental
292 Page Street Parameter Conditions Min. Typ. Max. Units
Suite D Operating Temperature Range Ambient 0 +25 +70 ºC
Stoughton, MA 02072 Output Derating 2.5%/ ºC from +50 ºC to + 70 ºC
USA Storage Temperature Range -20 +85 ºC
Cooling See Model Selection Guide
T: (781) 344-8226 Operating Humidity RH, Non-condensing 90 %
F: (781) 344-8481 Reliability Specifi cations
E: sales@micropowerdirect.com Parameter Conditions Min. Typ. Max. Units
W: www.micropowerdirect.com MTBF MIL HDBK 217F, 30ºC, Gnd Benign 100 kHours
Safety Standards UL 60950, EN 60950
EMI Compliance Compliance to EN 55022 (CISPR22) Class B; EN 61000-3-2,3
EMS Immunity Compliance EN 61000-4-2,3,4,5,6,11; EN 55024; CE Marked (LVD)
2
Vibration Sinusoidal 5~50 Hz, Acceleration ±7.35 m/s on X, Y & Z Axis
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