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MVAC250-12AFD Datasheet(PDF) 2 Page - Murata Manufacturing Co., Ltd. |
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MVAC250-12AFD Datasheet(HTML) 2 Page - Murata Manufacturing Co., Ltd. |
2 / 8 page MVAC250 Series 250W High Density AC-DC Power Supply MVAC250.A03 Page 2 of 8 www.murata-ps.com/support ENVIRONMENTAL CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Storage Temperature Range -40 85 °C Operating Temperature Range See power rating curves -10 70 Start up -20 Operating Humidity Non-condensing 10 95 % Operating Altitude -200 5000 m MTBF Telcordia SR-332 M1C3 @25°C 474K Hours Shock Operating, MIL-HBK-810E Complies Non-operating, MIL-HBK-810E Complies Operational Vibration IEC-68-2-27 standard Complies to levels of IEC721-3-2 Safety IEC60950-1:2006/A11:2009 UL60950-1 2nd Ed. 2007-03-27, CSA22.2 N0.60950-1 2nd Ed. 2007.03, EN60950-1:2006+A11:2009 (Pending) IEC60601-1 Ed. 3 MOOP ANSI/AAMI ES60601-1 (2005+C1:09+A2:10), CSA 22.2 No. 60601-1 (2008) 3rd Edition MOOP EN60601-1:2006 3rd ed. MOOP (Pending) CE Marking per LVD Warranty 2 years Outside Dimensions 3.0" x 5.0" x 1.4" (76.2mm x 127mm x 35.6mm) Weight MVAC250-xxF: 0.73 lbs (332.9g); MVAC250-xxAFD: 0.76 lbs (344.7g) RESIDUAL RISK (PER ISO 14971 & IEC60601-1) FOR USER CONSIDERATION Fault Condition Residual Risk Complies Contact your Murata salesperson for details PROTECTION CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Over Voltage Protection4 V1 (main output) latching 110 125 % V3 (aux output: MVAC250-xxAFD) latching 5.5 7.5 V Over Current Protection4 V1, hiccup mode 110 130 %Amax Over Temperature Protection Auto-recovery Complies Remote Sense Short Circuit Protection Complies Remote Sense Reverse Connection Protection Complies ISOLATION CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Isolation Primary to Chassis 1500 Vac Primary to Secondary 3000 Secondary to Chassis 500 Output to Output 500 Earth Leakage Current (under single fault condition) MVAC250-xxAFD: 264Vac, 60Hz, 25°C 300 µA MVAC250-xxF: 264Vac, 60Hz, 25°C 350 Earth Leakage Current (under normal conditions) MVAC250-xxAFD: 264Vac, 60Hz, 25°C 150 MVAC250-xxF: 264Vac, 60Hz, 25°C 250 CURRENT SHARING OPTION – MVAC250-xxAFD ONLY Model Number Description MVAC250-12AFD MVAC250-24AFD MVAC250-48AFD Current Sharing Notes: Main Output: Current share is achieved using the droop method. Nominal output voltage is achieved at 50% load and output voltage drops at a rate of 48mv per amp for 12V output, 192mV per amp for 24V output, and 800mV per amp for 50V output. Startup of parallel power supplies is not internally synchronized. If more than 250W combined power is needed, start-up synchronization must be provided by using a common PS_ON signal. To account for ±10% full load current sharing accuracy and the reduction in full load output voltage due to droop, available output power must be derated by 15% when units are operated in parallel. Current sharing can be achieved with or without remote sense connected to the common load. If ORing protection is desired, please contact Murata sales for external ORing FET board or external ORing FET reference circuit design. Aux (V3) output can be tied together for redundancy but total combined output power must not exceed 10W, external ORing devices must be used. Fan (V2) can be tied together for redundancy but total combined output power must not exceed 12W, external ORing diodes can be used. |
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