D1U54-D-1200-12-Hx4PC Series
54mm 1U Front End DC-DC Power Converter
www.murata-ps.com
PRODUCT OVERVIEW
The D1U54-D-1200-12-Hx4PC series are highly efficient 1200 watt, DC input front end modules with a 12V main output
and a choice of 3.3V or 5V (20W) standby rails. The power module is able to current share with up to eight (8) other power
modules of the same type operating in parallel or N+1 redundancy. The supplies may be hot plugged, and include integral
isolation devices.
The power modules are fully protected from overload and overvoltage and are able to auto-recover from overtemperature
faults. A Status LED is provided on the front panel and additional control and status reporting is provided by hardware
logic signals and via a PMBus™ digital interface.
A low profile sub 1U height enclosure provides an excellent power density of >28W/in3 that is ideal for delivering reliable,
efficient power to servers; workstations; storage systems and other 12V distributed power systems, including direct
operation from intermediate bus converters.
FEATURES
ORDERING GUIDE
Part Number
D1U54-D-1200-12-HC4PC
D1U54-D-1200-12-HA4PC
D1U54-D-1200-12-HC3PC
D1U54-D-1200-12-HA3PC
Power Output
1200W
Main Output
12V
Standby Output
Airflow
1200W output power (no derating across the
3.3V
5V
3.3V
5V
full DC input voltage range)
Back to Front
1.57"(1U) x 12.65" x 2.15"
Front to Back
92% efficiency
INPUT CHARACTERISTICS
Parameter
DC Input Voltage Operating Range
Turn-on Input Voltage
12VDC Main output
Conditions
Min
-40
-39.5
-35.5
Typ
-48/-60
-40
Max
Units
Vdc
3.3VSB or 5VSB output (20W)
-72
-40.5
-36.5
40
50
100
3
>28W/in power density
Ramp Up
Ramp Down
1200W
Cold start between 0 to
200ms
Turn-off Input Voltage
Maximum Current @ VIN = -48Vdc
-36
N+1 Redundancy Capable; hot plug/swap (up to
8 modules in parallel)
Adc
Apk
-40
-72
DC Input Inrush Peak Current
Efficiency (-48Vdc)
Active current sharing on 12V main output;
integral MOSFET ORING
20% FL
50% FL
100% FL
Reversed input cables; no
internal/external fuse failure
90
92
90
%
Over-Voltage, Over-Current; Over-Temperature
Protection
Reverse polarity protection
+40
+72
Vdc
Internal variable speed cooling fans
PMBus™ Power Management Bus
OUTPUT VOLTAGE CHARATERISTICS
Output Voltage Parameter
Voltage Set Point
Conditions
Min.
11.6
0
Typical
12
Max.
Units
Vdc
RoHS Compliant
Line & Load Regulation
Ripple & Noise1
Output Current
Combined regulation
20MHz Bandwidth
-40Vdc to -72Vdc DC input
12.4
120
100A
30,000
Main
mV P-P
A
μF
12V
Load Capacitance
Voltage Set Point
Line & Load Regulation
Ripple Voltage & Noise1
Output Current
Load Capacitance
Voltage Set Point
Line & Load Regulation
Ripple Voltage & Noise1
Output Current
3.3
5.0
Vdc
Combined regulation
20MHz Bandwidth
3.14
0
3.46
120
6
3.3VSB
5VSB
mV P-P
A
μF
10,000
Vdc
4.76
0
5.24
120
4
www.murata-ps.com/en/3d/acdc.html
www.murata-ps.com/en/3d/acdc.html
www.murata-ps.com/en/3d/acdc.html
www.murata-ps.com/en/3d/acdc.html
www.murata-ps.com/en/3d/acdc.html
www.murata-ps.com/en/3d/acdc.html
20MHz Bandwidth
mV P-P
A
Load Capacitance
10,000
μF
1
Ripple and noise are measurements are to be performed with a parallel combination of a 0.1μF ceramic capacitor
and 10μF tantalum capacitance on each of the power module output measurement nodes. A short coaxial cable from
measurement point to ’scope shall be used
Available now at
www.murata-ps.com/en/3d/acdc.html
CB
Test Certificate
and Test Report
PM
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
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