D1U3CS-W-850-12-HC3C Datasheet PDF - Murata Power Solutions
| Part Number | D1U3CS-W-850-12-HC3C | |
| Description | 81mm 1U Front End AC-DC Power Supply Converter | |
| Manufacturers | Murata Power Solutions | |
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D1U3CS-W-850-12-HxxC Series
81mm 1U Front End AC-DC Power Supply Converter
FEATURES
850W output power
80 PLUS® Gold efficiency
12V main output
3.3V or 5V standby output of 20W
1U height: 3.20" x 11.00" x 1.57"
15.4 Watts per cubic inch density
N+1 redundancy capable,
including hot plugging (up to 4 in parallel)
Active current sharing on 12V main output;
ORing FET
Overvoltage, overcurrent,
overtemperature protection
Internal cooling fan (variable speed)
PMBus™ / I²C interface
RoHS compliant
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Available now at
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For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
PRODUCT OVERVIEW
The D1U3CS-W-850-12-HxxC series are 80 PLUS Gold efficiency 850 watt, power factor corrected front
end supplies with a 12V main output and a 3.3V (20W) standby. They have active current sharing and up to
4 supplies may be operated in parallel. The supplies may be hot plugged, they recover from overtempera-
ture 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 to servers, workstations, storage
systems and other 12V distributed power systems.
ORDERING GUIDE
Part Number
Power Output
Main
Output
Standby Output1 Airflow
D1U3CS-W-850-12-HC4C
D1U3CS-W-850-12-HC3C
850W
12V
3.3V
Back to front
Front to back
INPUT CHARACTERISTICS
Parameter
Voltage Operating Range
Frequency
Turn-on Voltage
Turn-off Voltage
Maximum Current
Inrush Current
Power Factor
Efficiency (230Vac) excluding fan
load
Conditions
Ramp up
Ramp down
850W, 100Vac
Cold start between 0 to 200msec
At 230Vac, full load
20% load
50% load
100% load
Min. Nom. Max. Units
90 115/230 264 Vac
47 50/60 63 Hz
73 90 Vac
10 Arms
25 Apk
0.98
88 89
92 93.5
%
88 93
OUTPUT VOLTAGE CHARACTERISTICS
Output
Voltage
Parameter
Conditions
Min. Typ. Max. Units
12V
3.3VSB
Voltage Set Point Accuracy
Line and Load Regulation
Ripple Voltage & Noise2
Output Current
Load Capacitance
Voltage Set Point Accuracy
Line and Load Regulation
Ripple Voltage & Noise2
Output Current
50% load
20MHz Bandwidth
50% load
20MHz Bandwidth
11.97 12.0 12.02
11.4 12.6
Vdc
120 mV p-p
0 69.2 A
10000 μF
3.28 3.3 3.32
3.13 3.46
Vdc
50 mV p-p
0 6A
Load Capacitance
350 μF
1 For 5vSB, contact Murata Sales for availablity.
2 Ripple and noise are measured with 0.1 μF of ceramic capacitance and 10 μF of tantalum capacitance on each of the power supply
outputs. A short coaxial cable with 50Ω scope termination is used.
CB
Test Certificate
and Test Report
D1U3CS-W-850-12-HxxC.A03 Page 1 of 6
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D1U3CS-W-850-12-HxxC Series
81mm 1U Front End AC-DC Power Supply Converter
WIRING DIAGRAM FOR OUTPUT
D1U3CS
+12VRS (Main Output Remote Sense)
Dotted lines show optional remote sense connections.
Optional remote sense lines can be attached to a load that is a distance
away from the power supply to improve regulation at the load.
+12VRS (Main Output Remote Sense)
B2 +12V OUT
PB4-6
PB1-3 +12V GND
A2 +12VRS_RETURN
B3 +12V_ISHARE
12V load
+12V OUT PB4-6 B2
+12V GND PB1-3
+12VRS_RETURN A2
+12V_ISHARE B3
D1U3CS
A5,B5,C5,D5
A1
A6,B6,C6,D6
+VSB
PS_ON_L
+VSB load
FET, BJT, wire
or switch (debounced )
+VSB GND to turn on +12V main output
+VSB A5,B5,C5,D5
PS_ON_L A1
+VSB GND A6,B6,C6,D6
B4 PS_INHIBIT/PS_KILL
PS_INHIBIT/PS_KILL B4
CURRENT SHARING NOTES
12V Output: Current sharing is achieved using the active current share method. (See wiring diagram for connection details.)
Current sharing can be achieved with or without remote sense connected to the common load.
+VSB outputs can be tied together for redundancy but total combined output power must not exceed 20W. The +VSB output has internal ORing MOSFET for addi-
tional redundancy / internal short protection.
The current share pin B3 is a connection between the two units. It is input and/or output as the voltage on the line controls the current share. A power supply will
respond to a change in this voltage but a power supply can also change the voltage depending on the load drawn from it. On a single unit this would read 8V at
100% load. For two units sharing load then this should read 4V for perfect current sharing.
Up to 4 units can be paralleled together. Please consult your Murata sales representative if operation with more than 4 units in parallel is needed.
www.murata-ps.com/support
D1U3CS-W-850-12-HxxC.A03 Page 5 of 6
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for D1U3CS-W-850-12-HC3C electronic component. |
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