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D1U3CS-D-850-12-HA3C

Murata Power Solutions
Part Number D1U3CS-D-850-12-HA3C
Manufacturer Murata Power Solutions
Description DC/DC Front End Power Supply
Published Nov 5, 2014
Detailed Description www.murata-ps.com FEATURES n 850W output power n 87% efficient at half power n 12V main output n 3.3V or 5V standby ...
Datasheet PDF File D1U3CS-D-850-12-HA3C PDF File

D1U3CS-D-850-12-HA3C
D1U3CS-D-850-12-HA3C

Overview
www.
murata-ps.
com FEATURES n 850W output power n 87% efficient at half power n 12V main output n 3.
3V or 5V standby output of 20W n 1U sized; dimensions 3.
20”x11.
00”x1.
57” n 15.
4 Watts per cubic inch density n N+1 redundancy capable, including hot plugging (up to 8 in parallel) n Active current sharing on 12V main output; ORing FET n Overvoltage, overcurrent, overtemperature protection n Internal cooling fan (variable speed) n PMbus / I²C interface with status indicators n RoHS compliant D1U3CS-D-850-12-HxxC Series DC/DC Front End Power Supply PRODUCT OVERVIEW The D1U3CS-D-850-12-HxxC series are highly efficient 850 watt, DC input front end supplies with a 12V main output and a 5V or 3.
3V (20W) standby.
They have active current sharing and up to 8 supplies may be operated in parallel.
The supplies may be hot plugged, they recover from overtemperature faults, and have logic and PMBus status signals.
Their low profile 1U package and >15W/cubic inch power density make them ideal for delivering reliable, efficient power for telecom and other 12V distributed power systems that include servers, workstations and storage systems.
ORDERING GUIDE Part Number Power Output 850W 850W 850W 850W Main Output 12V 12V 12V 12V Standby Output 3.
3V 5V 3.
3V 5V Airflow Back to front Back to front Front to back Front to back * * * D1U3CS-D-850-12-HC4C D1U3CS-D-850-12-HA4C D1U3CS-D-850-12-HC3C D1U3CS-D-850-12-HA3C INPUT CHARACTERISTICS Parameter Input Voltage Operating Range Turn-on Input Voltage Turn-off Input Voltage Maximum Current at Vin = -40Vdc DC Line Inrush Peak Current Efficiency (-40Vdc - 72Vdc) Conditions Ramp up Ramp down 850W Cold start between 0 to 200msec Cold start between 0 to 200msec 20% load 50% load 100% load Min.
-40 -40 -38.
5 40V 72V 85 87 87 Nom.
-48 -43.
5 -39 Max.
-72 -44 -39.
5 25 50Apk 100Apk Units Vdc Adc OUTPUT VOLTAGE CHARACTERISTICS Output Voltage Parameter Voltage Set Point Accuracy Line and Load Regulation Ripple Voltage & Noise1 Ou...


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