PRODUCT OVERVIEW
D1U54S-D-1200-12-HxxC series of 1200W highly efficient, DC-DC front-end power supply converters provide
a 12Vdc main output. These power modules adopt an active current-sharing feature for parallel or redundant
operation and are fully protected from over-voltage, over-current, and over-temperature faults, and also
includes a standby output.
LED status indicators and corresponding hardware logic signals are provided in addition to a comprehensive
PMBus™1.2 compliant digital communication bus. These features provide status monitoring, configuration,
and control capability.
The slim, compact 1U package achieves >39W/in3 and is ideal for delivering robust power to servers,
workstations, storage, network systems, or other applications requiring 12V distributed power architecture.
ORDERING GUIDE1
Airflow
Direction
FB
BF
FB
MPS Model
Part Number
Output Power2
Main Output
Standby Output
12Vdc
FEATURES
D1U54S-D-1200-12-HB3C
D1U54S-D-1200-12-HB4C
D1U54S-D-1200-12-HU3C
D1U54S-D-1200-12-HU4C
M2105
M2106
M2107
M2108
1,200W continuous main output power
12V main output and 12Vsb output or pin
selectable 3.3/5V standby output
1200W
12Vdc
3.3/5Vdc3
BF
1 Unless otherwise noted, performance based on +25⁰C ambient, nominal Vin, full-rated load, in a free-flowing air
Dinkle DT-7C-B14W-02 Input Terminal Block
environment
Low-profile package
2 5VSB models, total Pmax.: 1215W; 3.3VSB models, total Pmax.:1210W
3 User selectable
54.5mm x 228.6mm x 40mm
>39W/in3 density
N+1 redundant, hot-swap ready
Rapid ON Cold Redundant capability
Active (digital) current sharing on 12V main
output; Integral ORing /isolation provided for
both outputs
Internal variable speed cooling fan
Output voltage, current, and temperature
protected
PMBus™ 1.2 with LED status indicators
RoHS compliant
INPUT CHARACTERISTICS
Parameter
DC Input Voltage operating range
Maximum current
Conditions
Min.
Nom.
Max. Units
-44
-48 - -60
-72
30
Vdc
Adc
-48 - -60Vdc Vin nominal
Cold start, 0-200msec from application
of DC input
Reversed input cables; no
internal/external fuse failure
20% Load
Inrush Current (see Figure 13)
Reverse Polarity Protection
100
+72
Apk
Vdc
+40
92
94
91
Efficiency, Vin=54Vdc (see
Figure 12)
50% Load
100% Load
%
Two-year warranty
OUTPUT CHARACTERISTICS
Voltage
Parameter
Output Set Point
Output Set Point
Accuracy
Conditions
50% load; Tamb =25°C
Min.
Nom.
12.00
Max. Units
Vdc
-0.5
-2
+.5
+2
%
%
Line and Load Regulation Setpoint, temperature, line and load
12V
Main
mV p-
p
Ripple Voltage & Noise4
20MHz bBandwidth
120
Output Current Range
Load Capacitance
Output Set Point
Line and Load Regulation Setpoint; temperature; line and load
Ripple Voltage & Noise4
50°C max.
0
500
100
30,000
A
μF
Vdc
Vdc
mV p-
p
A
μF
Vdc
Vdc
mV p-
p
50% load; Tamb = 25°C
12.00
3.3
-5%
0
+5%
120
12VSB
3.3VSB
5.0VSB
20MHz Bandwidth
Output Current
Load Capacitance
Output Set Point
Line and Load Regulation Setpoint; temperature; line and load
Ripple Voltage & Noise4
2
1,000
Certificate and Test Report
50% load; Tamb = 25°C
-5%
0
+5%
120
20MHz Bandwidth
Output Current
3
A
Load Capacitance
Output Set Point
Line and Load Regulation Setpoint; temperature; line and load
Ripple Voltage & Noise4
3,000
μF
50% load; Tamb = 25°C
5.0
Vdc
Vdc
mV p-
p
-5%
0
+5%
120
20MHz Bandwidth
Output Current
3
A
Load Capacitance
3,000
μF
4 Ripple and noise are measured with 0.1μF 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.
www.murata.com/support
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