D1U54-D-2000-12-HBxC Series
54mm 1U Front End DC-DC Power Supply Converter
PRODUCT OVERVIEW
D1U54-D-2000-12-HBxC is a series of highly efficient Low Voltage DC (LVDC) input front end power supplies featuring a 12Vdc main
output, capable of active current sharing and a standby output. A multifunctional status LED, hardware logic signals and PMBus™
digital communications cold redundant capability are standard features. The low profile 1U, 46.9W/cubic inch package make this
series ideal for delivering reliable, efficient power to servers, workstations, storage systems and other 12V distributed power
architectures.
ORDERING GUIDE
Output power
Model Number
Main Output
12.0Vdc
Standby Output
5.0Vdc
Airflow
-48 to -60Vdc Nominal
D1U54-D-2000-12-HA3C
D1U54-D-2000-12-HA4C
D1U54-D-2000-12-HB3C
D1U54-D-2000-12-HB4C
D1U54-D-2000-12-HC3C
D1U54-D-2000-12-HC4C
FB
BF
FB
BF
FB
BF
2015W
2036W
2015W
12.0Vdc
3.3Vdc
FEATURES
2000W continuous 12Vdc main output power
INPUT CHARACTERISTICS
Parameter
Input Source Voltage DC Operating Range High Line
Turn-on Input Voltage
Turn-off Input Voltage
Maximum current
Cold Redundant power management features
Highly Efficient, >95% at 50% load
PMBusTM 1.2 Compliant I²C interface; LED status
indicator
-5°C to 55°C operating temperature range
without derating
12V main output, 120% surge current capability
3.3V, 5.0V & 12V Standby Output Options
1U height: 2.15" x 12.65" x 1.57"
> 46 Watts per cubic inch density
N+1 redundant, Hot Swap Capable
Active (digital) current sharing on 12V main
output; Integral ORing /isolation provided for
both outputs; compatible with DC input series
Internal cooling fan (variable speed)
Overvoltage, overcurrent, overtemperature
Protection
Conditions
Min.
-40.8 -48/-60
-39
-35.5
Nom.
Max.
Units
Vdc
-72
-40.5
-36.5
48
50
100
Ramp up
Ramp down
-48Vdc input; 2036W
-40
-36
Vdc
Adc
Apk
-40Vdc
-72Vdc
20% load
50% load
100% load
Cold start; between 0 to
200ms
DC Input Inrush Peak Current
93.3
95
93
-48Vdc input; fan power
excluded
Efficiency
%
Reversed input cables; no internal or external
fuse/breaker interruption
Reverse Polarity Protection
OUTPUT VOLTAGE CHARACTERISTICS
+40
Min.
+72
Vdc
Output
Parameter
Voltage
Conditions
Typ.
Max.
Units
Vdc
Output Setpoint Accuracy
Line and Load Regulation2
11.94 12.00
11.88 12.00
12.06
12.18
120
50% load; Tamb =25°C; Measured at PSU
side of connector
12V
Ripple Voltage & Noise1,2
Output Current
20MHz Bandwidth; Min Load Capacitance
2000W (-40 to-72Vdc) Continuous
mV p-p
Adc
167
Load Capacitance
30,000
12.06
12.30
120
μF
Output Setpoint
50% load; Tamb =25°C
Measured at PSU side of connector
20MHz Bandwidth; Min Load Capacitance
11.94 12.00
11.70 12.00
Vdc
Line and Load Regulation3
12VSB Ripple Voltage & Noise1,3
Output Current
mV p-p
Adc
0
3.0
Load Capacitance
1000
μF
Output Setpoint
50% load; Tamb =25°C
Measured at PSU side of connector
20MHz Bandwidth; Min Load Capacitance
3.30
3.14
Vdc
Line and Load Regulation3
3.3VSB Ripple Voltage & Noise1,3
Output Current
3.46
75
3.0
mV p-p
Adc
0
Load Capacitance
3000
μF
Output Setpoint
50% load; Tamb =25°C
Measured at PSU side of connector
20MHz Bandwidth; Min Load Capacitance
5.00
4.76
Vdc
Line and Load Regulation3
5.0VSB Ripple Voltage & Noise1,3
Output Current
5.24
75
3.0
mV p-p
Adc
0
Load Capacitance
3000
μF
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 scope termination is used and minimum output bus capacitance specified in above table.
2 Minimum load of 5A
3 Minimum load of 0.1A
CB Report and
Certificate
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
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