MicroPower Direct
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400W AC-DC ACTIVE PFC MEDICAL POWER SUPPLY
MPA400M SINGLE OUTPUT SERIES
FEATURES:
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Medical Safety Approvals
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Optional N+1 Forced Active Current Sharing
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Power Factor Corrected to EN61000-3-2 class D
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Providing Peak Power 700W within 500uS duty duration
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U-Chassis & Enclosed with built-in fan Mechanical Options
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1U height size and High power density: 6.25 watts/cu inches
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Current Monitoring and Remote Voltage adjustment (Margin)
U - Chassis Type: 8 x 5 x 1.6”
Enclosed with built-in fan Type: 9 x 5 x 1.6”
CB
PRODUCT SPECIFICATIONS:
Input Voltage: 90-264 Vac full range, 47~63 Hz.
Input Current: 6.35A at 90VAC full load.
Inrush Current: 35A Max @ 230 Vac with full load and cold start.
PFC: Active power factor correction meet EN61000-3-2 class D.
Fan Drive: 12VDC/400mA is available to drive an external fan.
Input Voltage Protection: Power shut down under 80 ±5 Vac,
and recovered over 86 Vac.(Disabled unless AC Fail is requested)
Over-Power Protection: C.C. mode 110-140% and auto-recovery.
Over-Voltage Protection: Latching down will occur when output
voltage exceed 130% and recycle AC input to reset.
Transient Response: Returns to within 1% in less than 2.5 mS for Short Circuit Protection: Trip without damage and auto-recovery.
a 50% load change and the peak transient does not excess 5%.
Overshoot: Turn-on/off not exceed 5% over nominal voltage.
Efficiency: 82% minimum (Measuring at 230V and full load).
Turn On Delay: 1 second maximum at 120 VAC.
Hold Up Time: 20 mS min. at 80% of full load.
Over Temperature Protection: Protected in the event of
excessive operating ambient 85°C, with automatic recovery.
Switching Frequency: 30 kHz fixed frequency.
Operating Temperature: O to 70°C ambient, de-rating at 2.5%
per degree from 50°C to 70°C.
Adjustability: Output user adjustable ±5% minimum.
Remote Sense: Designated “RS+” and “RS-” on the CN3.
(Not available for current sharing models)
Remote On-Off: Designated as “RSW” on the CN3, requires a low
signal to inhibit output.
Storage Temperature: -20 to 85°C.
Operating Humidity: 5% to 90% RH, Non-condensing.
Storage Humidity: 5% to 95% RH, Non-condensing.
Vibration: Frequency 5 to 50 Hz, acceleration +/-7.35 M/(SxS) on
X,Y and Z Axis.
Power Supply On: Green LED designated as “LED 1” on the PCB. Emissions: FCC Part 15, CISPR 22 class B, Conducted.
LED display: Bi-color “LED1” emit green light on operating. Any
protection occurred or RSW applied low signal will emit orange.
Power Good: Designated as “PG” on the CN3 will go high 100-
Safety Regulation: Approved to UL60950-1/ 60601-1, CSA
C22.2 No. 60950-1-03/ 601.1-M90, TUV EN60950-1/ 60601-1, CE
Mark (LVD) EN61204-3/ 60601-1-2/ 61000-3-2,3 & IEC61000-4
500 mS after regulation and goes low 1mS before loss of regulation. Series Regulations and CB.
Current Sharing: Designated as “CSH” on the CN3, optional
single wired for forced current sharing function and parallel up to 4
units within 10% accuracy at full load.
Leakage Current: 300uA
HI-POT Test: 1500 Vac between input line and chassis (2mA DC
cut off current); 4000 Vac between primary and secondary
windings; Primary to core 1500 VAC. All for 3 sec.
Current Monitor: Designated as “CMN” on the CN3 for current
sense for a 0.5V to 3 VDC to represent 0% to 100% output current. Grounding Test: Apply 40 A from ground pin to the earthed
Margin: Designated as “MGN” on the CN3 providing 50% of output connection point. Maximum allowable resistance is 0.1ohm.
voltage remote adjustment by applying 0.4 ~ 5V signal on “MGN”.
Warranty: 2 years.
AC Fail (optional): Designated as “ACF” on the CN3 to monitor the MTBF: 100000 Hrs (according to MIL-HBK-217F) at 30? .
input voltage, when input goes under 80 +/- 5VAC the signal will go Cooling: External forced air requires achieving full ratings.
low (0V) and then go high (+5V) once reappears over 86 Vac.
Burn in: 45 +/- 5°C for 1 hour @ 230 Vac with full load.
(Input voltage protection must be disabled when AC Fail is enable.) Enclosure: U-Chassis type - 8(L) x 5(W) x 1.6(H) inches.
Input Circuit (primary): Two protected fuse inserted, shall be
Enclosed type - 9(L) x 5(W) x 1.6(H) inches.
blown only by an internal power fault.
Weight: U-Chassis Type – 1.3KG; Enclosed Type – 1.6KG;
MicroPower Direct
www.micropowerdirect.com
292 Page Street, Ste D Stoughton, MA 02072 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • EMAIL: sales@micropowerdirect.com