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PRODUCT OVERVIEW
D1U4-W-1200-12-Hx Series
AC/DC Front End Power Supply
The D1U4-W-1200-12-Hx
is a 1200 Watt, power-factor-corrected (PFC) front-end power supply for hot-swapping
redundant systems. The main output is 12V with a standby output of either 5V or 3.3V. Packaged in a 1U low-profile
enclosure, it is designed to deliver reliable bulk power to servers, workstations, storage systems or any 12V distributed
power architecture systems requiring high power density. The highly efficient electrical and thermal design with
internal cooling fans supports reliable operation conditions. The D1U4-W-1200 is designed to autorecover from
overcurrent and overtemperature faults. Status information is provided with front panel LEDs, logic signals and I
2
C
management interface. Four units can be packaged into an optional 19" 1U power shelf to provide up to 4.8kW of
power.
ORDERING GUIDE
FEATURES
1200W (220Vac), 900W (110Vac)
Output power
Main output,
12V
3.3V or 5V standby output of 20W
height: 4.0" x 14.0" x 1.6"
1U
Watts per cubic inch density
13.4
redundancy capable,
N+1
including hot-docking
Active current sharing on main output
Overvoltage, overcurrent,
overtemperature protection
Internal cooling fans
Bus Interface with status indicators
I²C
Optional 1U x 19" power-shelf
compliant
RoHS
Part Number
D1U4-W-1200-12-HC2C
D1U4-W-1200-12-HA2C
D1U4-W-1200-12-HC1C
D1U4-W-1200-12-HA1C
Power Output
High Line AC
1200W
1200W
1200W
1200W
Power Output
Low Line AC
900W
900W
900W
900W
Main Output
12V
12V
12V
12V
Standby
Output
3.3V
5V
3.3V
5V
Airflow
Back to front
Back to front
Front to back
Front to back
INPUT CHARACTERISTICS
Parameter
Input Voltage Operating Range
Input Frequency
Turn-on Input Voltage
Turn-off Input Voltage
Maximum Input Current
Inrush Current
Power Factor
Conditions
Ramp up
Ramp down
Low Line AC 90Vac
High Line AC 180Vac
Cold start between 0-1msec
Output load >90%
Output load >50%
Min.
90
47
78.5
70.5
Typ.
115/230
50/60
Max.
264
63
86.5
78
15
10
100
Units
Vac
Hz
Vac
Arms
Apk
95%
75%
OUTPUT VOLTAGE CHARACTERISTICS
Output
Voltage
Parameter
Voltage Set Point Accuracy
Line and Load Regulation
Ripple Voltage & Noise
1
Output Current
Load Capacitance
Voltage Set Point Accuracy
Line and Load Regulation
Ripple Voltage & Noise
1
Operating Range
Load Capacitance
Voltage Set Point Accuracy
Line and Load Regulation
Ripple Voltage & Noise
1
Operating Range
Load Capacitance
Conditions
Min.
11.75
Typ.
12.12
Max.
12.48
120
98.3
40000
Units
Vdc
mV p-p
A
µF
Vdc
mV p-p
A
µF
Vdc
mV p-p
A
µF
12V
20MHz Bandwidth
0
3.3
3.2
20MHz Bandwidth
0
5
4.85
20MHz Bandwidth
0
3.3Vsb
3.4
33
6
1530
5.15
50
4
1530
5Vsb
Ripple and noise are measured with 0.1 uF of ceramic capacitance and 2 x 270 uF of OSCON capacitance on each
of the power supply outputs. A short coaxial cable with 50ohm scope termination is used. See Ripple Test Setup
diagram.
1
For full details go to
www.murata-ps.com/rohs
CB
Test Certificate
and Test Report
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D1U4-W-1200-12-Hx.B02
Page 1 of 5
D1U4-W-1200-12-Hx Series
AC/DC Front End Power Supply
OUTPUT CHARACTERISTICS
Parameter
Remote Sense
Efficiency
Output Rise Monotonicity
Startup Time
Transient Response
Current sharing accuracy (up to 6 in parallel)
Hot Swap Transients
Holdup Time
Conditions
Min.
Typ.
Max.
Units
mV
%
s
ms
mV
%
ms
120
220Vac
90.6
Overshoot less than 10% for all outputs, no voltage negative between 10% to 95% during ramp up
AC ramp up
1.5
PS_On activated
150
12V Ramp 1A/μs, 50% load step
±600
3.3Vsb Ramp 1A/μs, 50% load step
±165
5Vsb Ramp 1A/μs, 50% load step
±250
At 100% load
All outputs remain in regulation
Max. load, nominal Vin
20
±10
ENVIRONMENTAL CHARACTERISTICS
Parameter
Storage Temperature Range
Operating Temperature Range
Operating Humidity
Storage Humidity
Shock
Sinusoidal Vibration
MTBF
Acoustic
Safety Approvals
Input Fuse
Switching Frequency
Weight
Conditions
Non-condensing
Non-condensing
30G non operating
0.5G, 5 – 500 Hz operating
Calculated per Bellcore at Ta=30°C
Demonstrated
ISO 7779-1999
Min.
-40
0
10
5
Typ.
Max.
70
50
90
90
Units
°C
%
200K
200K
60
hrs
hrs
dB LpAm
CAN/CSA C22.2 No. 60950-1-07, 2nd Ed.
UL 60950-1, 2nd Ed.
IEC 60950-1:2005 (2nd Edition); EN 60950-1:2006 +A11
Power Supply has internal 20A/250V fast blow fuse on the AC line input
90KHz for Boost PFC Converter
165KHz for Main Output Converter
200KHz for Standby Output Converter
4.63lbs (2.1kg)
PROTECTION CHARACTERISTICS
Output
Voltage
12V
3.3Vsb
5Vsb
Parameter
Overtemperature
Overvoltage
Overcurrent
Overvoltage
Overcurrent
Overvoltage
Overcurrent
Conditions
Autorestart
Latching
Latching
Latching
Latching
Latching
Latching
Min.
55
13
107
3.57
6.5
5.6
5
Typ.
Max.
65
14
122
4.02
8
6
7
Units
°C
V
A
V
A
V
A
ISOLATION CHARACTERISTICS
Parameter
Insulation Safety Rating / Test Voltage
Isolation
Grounding
Conditions
Min.
Typ.
Max.
Units
Input to Output - Reinforced
3000
Vrms
Input to Chassis - Basic
1500
Vrms
Output to Chassis
Output to Output
Main Output Return and Standby Output Return are connected internally. 100kΩ resistor parallel with 100nF
capacitor is connected between Return and power supply chassis. Main Output Return should be connected to
the System Chassis.
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D1U4-W-1200-12-Hx.B02
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D1U4-W-1200-12-Hx Series
AC/DC Front End Power Supply
STATUS INDICATORS AND CONTROL SIGNALS
Status
LED
Conditions
Off
Flashing Yellow
Flashing Green
Green
Status
Description
No AC input to all PS
Power Supply Failure
Main Output Absent
Power Supply Good
PS-ON, PGOOD, ACOK, PS_BAD, FANFAIL, OT Warning &
shutdown, AC Range
12V OV, 12V UV, 12V OC, Vsb Fail, Fan1 Fail, Fan2 Fail
8 bit scaled output voltage
8 bit scaled output current
8 bit scaled output current
8 bit scaled output current
I C Registers
2
Output Fault
12V Output
12V
Fan1 Monitor
Fan2 Monitor
EMISSIONS AND IMMUNITY
Characteristic
Input Current Harmonics
Voltage Fluctuation and Flicker
Conducted Emissions
Radiated Emissions
ESD Immunity
Radiated Field Immunity
Electrical Fast Transients/Burst Immunity
Surge Immunity
RF Conducted Immunity
Magnetic Field Immunity
Voltage dips, interruptions
Standard
IEC/EN 61000-3-2
IEC/EN 61000-3-3
FCC 47 CFR Part 15/CISPR 22/EN55022
FCC 47 CFR Part 15/CISPR 22/EN55022
IEC/EN 61000-4-2
IEC/EN 61000-4-3
IEC/EN 61000-4-4
IEC/EN 61000-4-5
IEC/EN 61000-4-6
IEC/EN 61000-4-8
IEC/EN 61000-4-11
Compliance
Complies
Complies
Class A, 6dB margin
Class A, 6dB margin
4kV contact discharge
8kV operational air discharge
15kV non-operational air discharge
Complies
Complies
1kV/2kV, Performance Criteria A
3 Vac, 80% AM, 1kHz, Performance Criteria A
3 A/m
Complies
RIPPLE TEST SETUP
2x270uF OSCON
Power Supply
AC Phase
0.1uF Ceramic
Load Box
AC Ground
BNC to BNC Shielded Cable
General Notes:
1. Load the outputs at specified minimum
output current.
2. Connect the probe as shown with the
input tip and ground as short as possible.
3. Take all measurements
4. Repeat the measurements with the
outputs at specified maximum output
current.
Oscilloscope
20MHz BW
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D1U4-W-1200-12-Hx.B02
Page 3 of 5
D1U4-W-1200-12-Hx Series
AC/DC Front End Power Supply
OUTPUT CONNECTOR AND SIGNAL SPECIFICATION
DC and Signal Connector: Tyco Part # 1-6450132-2, or FCI PowerBlade # 51732-021
P1
P2
P3
P4
P5
P6
P7
P8
x1
AC_OK
SPARE
V
OUT
V
OUT
V
RTN
V
RTN
V
RTN
V
RTN
V
OUT
V
OUT
I_SHARE
SENSE +
I
2
C ADR0
SENSE -
I
2
C ADR1
I
2
C DATA
I
2
C ADR2
I
2
C
CLOCK
PS_KILL
SPARE
PS_
PRESENT
PS_ON
B
A
x2
P_GOOD
SPARE
x3
V_
SB
RETURN
V_
SB
RETURN
x4
V_
SB
RETURN
V_
SB
RETURN
x5
V_
SB
+OUT
V_
SB
+OUT
x6
V_
SB
+OUT
V_
SB
+OUT
D
C
mate-last pins
Pin Assignment
P1, P2, P7, P8
P3, P4, P5, P6
A1
A2
C5, C6, D5, D6
C3, C4, D3, D4
B1
D1
D2
B5
B6
A6
A3
A4
B2
B3
B4
Signal Name
V
OUT
V
RTN
Sense +
Sense -
V_
SB
V_
SB
Return
I_Share
AC_OK
P_Good
PS_Kill
PS_Present
PS_On
I
2
C Data
I
2
C Clock
I
2
C Adr0
I
2
C Adr1
I
2
C Adr2
Description
Main output voltage
Main output voltage, return
V
OUT
remote sense, positive node input, connected to the
+ve load point
V
OUT
remote sense, negative node input, connected to the
-ve load point
Standby voltage output
Standby voltage, return, tied internally to Output Return
Active load sharing bus
Input AC Voltage “OK” signal output (Internal pull up is
10kΩ to Vsb)
Power good signal output (Internal pull up is 10kΩ to Vsb)
Floating pin will turn off P/S (shorter pin, last-make and
first-break contact for hot plugging). This signal overrides
PS-On in disabling the Main Output
Internally tied to Vsb return
Internal 1K ohm pull-up to Vsb, (accepts open collector/
drain drive), This signal to be pulled low to turn-on power
supply
I
2
C serial data bus
I
2
C serial clock bus
Address input 0, internal pull-up to Vsb
Address input 1, internal pull-up to Vsb
Address input 2, internal pull-up to Vsb
High Level
Low Level
I Max
0 – 8V
>2.4V (active, OK)
<0.4V
>2.4V (active, Good)
<0.4V
>2.1V (open, or Vsb)
<0.7V (active, PS:On)
0V
>2.1V (open, or Vsb)
<0.7V (active, PS:On)
Vsb
Vsb
>2.1V, < Vsb
<0.8V
>2.1V, <Vsb
<0.8V
>2.1V, <Vsb
<0.8V
-4 mA / +5 mA
+4 mA
-2 mA
+4 mA
-2 mA
N/A
-4 mA
-1 mA
±1 mA
±1 mA
±1 mA
D1U MATING CONNECTORS
12V D1U mat-
ing connector
MPS
FCI
Tyco
2
Press Fit
Straight
N/A
51742-10802400CALF
TBD
N/A
51762-10802400CBLF
TBD
Solder
2
Right Angle
N/A
51742-10802400AALF
TBD
Straight
Right Angle
36-0430032-0
51762-10802400ABLF
TBD
Solder connector recommended for board thickness of <0.090
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D1U4-W-1200-12-Hx.B02
Page 4 of 5
D1U4-W-1200-12-Hx Series
AC/DC Front End Power Supply
MECHANICAL DIMENSIONS - D1U4-W-1200-12-Hx
14.0 ± 0.025
( 355.60 ±0.65 )
0.350
(8.89)
REF
0.381 2.90
(9.68) (73.66)
4.0 ± 0.025
(101.60± 0.65)
0.094 ±0.009
(2.40 ±0.25)
1.614 ±0.015
( 41.00 ±0.40 )
14.113 ±0.025
(358.48 ±0.65 )
Airflow Back to Front
0.497
(12.63)
AC Input Connector: The AC input connector is standard IEC320 C14 (15A).
Dimensions: 4.00" x 14.00"x 1.61" [101.6mm x 355.6mm x 40.64mm]
OPTIONAL ACCESSORIES
Description
12V D1U-12 output connector card
Part Number
D1U-12-CONC
APPLICATION NOTES
Document Number
ACAN-27
ACAN-31
Description
D1U-12-CONC Output Connector Card
D1U4 Communications Protocol
Link
www.murata-ps.com/data/apnotes/acan-27.pdf
www.murata-ps.com/data/apnotes/acan-31.pdf
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
This product is subject to the following
operating requirements
and the
Life and Safety Critical Application Sales Policy:
Refer to:
http://www.murata-ps.com/requirements/
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
© 2016 Murata Power Solutions, Inc.
www.murata-ps.com/support
D1U4-W-1200-12-Hx.B02
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