D1U54-D-1500-12-HxxC Series
54mm 1U Front End DC-DC Power Converter
PRODUCT OVERVIEW
D1U54-D-1200-12-HxxC series are highly efficient 1500 watt, DC input front end power modules with a 12V main
output and a choice of 3.3V, 5V or 12VDC (30W max) standby rail.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 output 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 with power density of >35W/in3 make this an excellent choice for delivering
reliable, efficient power to servers, workstations, storage systems and other 12V distributed power systems
including direct operation from intermediate bus converters.
ORDERING GUIDE
Part Number
Internal MPN
M1900
Power Output
Main Output Standby Output
Airflow
D1U54-D-1500-12-HC4C
D1U54-D-1500-12-HA4C
D1U54-D-1500-12-HB4C
D1U54-D-1500-12-HC3C
D1U54-D-1500-12-HA3C
3.3V
5V
+1500W continuous output power (no
derating across full DC input range)
93% efficiency
M1897
M1903
M1901
M1898
Back to Front
1500W
-48 to -60Vdc
45°C
12V
12V
3.3V
5V
Front to Back
12V main output
3.3V; 5V or 12V Standby Output Options
1U height: 2.15" x 12.65" x 1.57"
> 35 Watts per cubic inch density
N+1 redundancy,hot plug/swap (up to 8
modules in parallel)
INPUT CHARACTERISTICS
Parameter
DC Input Voltage Operating Range
Turn-on Input Voltage
Turn-off Input Voltage
Maximum Current
Conditions
Min
-40
-39
-35
Max
-48/-60 -72
Units
Vdc
Typical
Ramp Up
Ramp Down
1500W, Vin = -48Vdc to -60Vdc
-40
-36
-41
-37
51
Active current sharing on 12V main
output; Integral ORing /isolation device
MOSFET
Internal cooling fan (variable speed)
Overvoltage, overcurrent,
overtemperature protection
PMBus™/I²C interface with LED status
indicators
Adc
Apk
Cold start between 0 to -48Vdc
200ms
50
100
DC Input Inrush Peak Current
-72Vdc
20% FL
50% FL
100% FL
Withstand Reversed input
cables; no internal/external fuse
failure
92
93
90
Efficiency (-48Vdc)
%
Reverse polarity protection
+40
+72
Vdc
RoHS compliant
Two Year Warranty
OUTPUT VOLTAGE CHARACTERISTICS
Output Voltage Parameter
Conditions
Min.
-1
Typical
12
Max. Units
Vdc
Voltage Set Point
Line & Load Regulation
Combined, measured at remote
20MHz Bandwidth
-40Vdc to -72Vdc DC input
+1.5
120
125A
30,000
%
mV P-P
A
Main 12V
Ripple & Noise1,2
Output Current
0
Load Capacitance
Voltage Set Point
Line & Load Regulation
μF
3.3
5.0
Vdc
Combined regulation
Ripple Voltage & Noise1,3 20MHz Bandwidth
3.14
0
3.46
3.3VSB
5VSB
120 mV P-P
Output Current
4
A
μF
Load Capacitance
Voltage Set Point
Line & Load Regulation
3,000
Vdc
4.76
0
5.24
www.murata-ps.com
www.murata-ps.com
www.murata- s.com/en/3d/acdc.html
www.murata-ps.com en 3d acdc.htm
www.murata- s.com/en/3d/acdc.html
www.murata-ps.com en 3d acdc.htm
/
en
/
3d
/
acdc.htm
l
Ripple Voltage & Noise1,3 20MHz Bandwidth
Output Current
120 mV P-P
/en/3d/acdc.html
4
A
μF
p
Load Capacitance
Voltage Set Point
3,000
/
/
/
l
12.0
p
Vdc
Line & Load Regulation
Ripple Voltage & Noise1,3 20MHz Bandwidth
Output Current
11.4
0
12.6
/
/
/
l
12VSB
120 mV P-P
2.5
1,000
A
μF
Available now at: www. murata-ps.com/en/3d/acdc.html
Load Capacitance
1 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 to the measurement ‘scope input, is used.
2 Minimum load 5A
3 Minimum load 0.25A
For full details go to
www.murata-ps.com/rohs
Test Certificate
and Test Report
www.murata-ps.com/suppor
t
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