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PRODUCT OVERVIEW
D1U-W-2000-48-Hx Series
AC/DC Front End Power Supply
The D1U-W-2000
is a 2000 Watt, power-factor-corrected (PFC) front-end power supply for hot-swapping redun-
dant systems. The main output is 48V and standby output of either 12V, 5V or 3.3V. Packaged in 1U low profile, it is
designed to deliver reliable bulk power to servers, workstations, storage systems or any 48V distributed power archi-
tecture systems requiring high power density. The highly efficient electrical and thermal design with internal cooling
fans supports reliable operation conditions. The D1U-W-2000 is designed to auto-recover from over-temperature
faults. Status information is provided with front panel LEDs, logic signals and I
2
C management interface. Three units
can be packaged into a 19" 1U power shelf to provide up to 6.0kW of power.
SELECTION GUIDE
Part Number
FEATURES
compliant
RoHS
2000W (220Vac), 1200W (110Vac)
Output power
Main output,
48V
3.3V, 5V or 12V standby output
sized; dimensions 4.75"x12.00"x1.61"
1U
Watts per cubic inch density
21.9
redundancy capable, including hot-docking
N+1
Active current sharing on main output
Over-voltage, over-current,
over-temperature protection
Internal cooling fans
Bus Interface with status indicators
I²C
To Be Discontinued*
Power Output Power Output Main Standby
High Line AC Low Line AC Output Output
2000W
2000W
2000W
2000W
1200W
1200W
1200W
1200W
48V
48V
48V
48V
3.3V
5V
12V
12V
Airflow
Back to front
Back to front
Back to front
Back to front;
variable speed fan
D1U-W-2000-48-HC2C
D1U-W-2000-48-HA2C
D1U-W-2000-48-HB2C
D1U-W-2000-48-HB4C
*LAST TIME BUY: 4/1/2018. CLICK HERE FOR DISCONTINUANCE NOTICES.
NOTE:
The S1U-3X-16-A-48-RC Power Shelf is recommended with this product. Please click here to view the data sheet.
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
90
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
Voltage Set Point Accuracy
Line and Load Regulation
Ripple Voltage & Noise
1
Operating Range
Load Capacitance
Conditions
Min.
46.54
Typ.
48
Max.
49.44
480
41.3
10000
Units
Vdc
mV p-p
A
µF
Vdc
mV p-p
A
µF
Vdc
mV p-p
A
µF
Vdc
mV p-p
A
µF
48V
20MHz Bandwidth
2
3.3
3.2
20MHz Bandwidth
0
5
4.85
20MHz Bandwidth
0
12
11.6
20MHz Bandwidth
0
3.3Vsb
3.4
50
4.5
1530
5.15
50
4
1530
12.4
120
1.7
1530
5Vsb
12Vsb
For full details go to
www.murata-ps.com/rohs
Ripple and noise are measured with 0.1 uF of ceramic capacitance and 10 uF of tantalum capacitance on each of
the power supply outputs. The output noise requirements apply over a 0 Hz to 20 MHz bandwidth. A short coaxial
cable with 50ohm scope termination is used.
1
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CPS_D1U-W-2000-48-Hx.G02
Page 1 of 5
D1U-W-2000-48-Hx Series
AC/DC Front End Power Supply
OUTPUT CHARACTERISTICS
Parameter
Remote Sense
Efficiency
Output Rise Monotonicity
Start-up Time
Conditions
Min.
Typ.
Max.
Units
mV
%
s
ms
mV
Transient Response
240
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
48V Ramp 1A/μs, 50% load step
±2700
3.3Vsb Ramp 1A/μs, 50% load step
±165
5Vsb Ramp 1A/μs, 50% load step
±250
12Vsb Ramp 1A/μs, 50% load step
±600
At 100% load
All outputs within regulation
Max. load, nominal Vin
17
±10
Current sharing accuracy (up to 6 in parallel)
Hot Swap Transients
Hold-up Time
%
ms
GENERAL CHARACTERISTICS
Parameter
Storage Temperature Range
Operating Temperature Range
Operating Humidity
Storage Humidity
Shock
Sinusoidal Vibration
MTBF
Acoustic
Safety Approvals
Input Fuse
Material Flammability
Switching Frequency
Weight
Conditions
Non-condensing
Non-condensing
Min.
-40
0
10
5
Typ.
Max.
70
50
90
90
Units
°C
%
30G non operating
0.5G, 5 – 500 Hz operating
Calculated per Bellcore at Ta=30°C
200
Demonstrated
200
ISO 7779-1999
c-CSA-us (CSA 60950-1-03/UL 60950-1, Second Edition)
TUV approval (Bauart) EN 60950-1:2001
60
Khrs
Khrs
dB LpAm
Power Supply has internal 20A/250V fast blow fuse on the AC line input
UL 94V-0
90KHz for Boost PFC Converter
165KHz for Main Output Converter
200KHz for Standby Output Converter
2.1kg
PROTECTION CHARACTERISTICS
Output
Voltage
48V
12Vsb
3.3Vsb
5Vsb
Parameter
Over-temperature
Over Voltage
Over Current
Over Voltage
Over Current
Over Voltage
Over Current
Over Voltage
Over Current
Conditions
Auto-restart
Latching
Latching
Latching
Latching
Latching
Latching
Latching
Latching
Min.
55
54
44
13
2.5
3.57
6.5
5.6
5
Typ.
Max.
65
59
50
14
3
4.02
8
6
7
Units
°C
V
A
V
A
V
A
V
A
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CPS_D1U-W-2000-48-Hx.G02
Page 2 of 5
D1U-W-2000-48-Hx Series
AC/DC Front End Power Supply
ISOLATION CHARACTERISTICS
Parameter
Insulation Safety Rating / Test Voltage
Isolation
Material Flammability
Grounding
Conditions
Min.
Typ.
Max.
Units
Input to Output - Reinforced
3000
Vrms
Input to Chassis - Basic
1500
Vrms
Output to Chassis
Output to Output
UL 94V-0
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.
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
48V OV, 48V UV, 48V 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
48V Output
48V
Fan1 Monitor
Fan2 Monitor
EMISSIONS AND IMMUNITY
Characteristic
Harmonics
Voltage Fluctuation and Flicker
Emission Conducted
Emission Radiated
ESD
Electromagnetic Field
Electrical Fast Transients/Burst
Surge
RF Conducted Immunity
Magnetic Immunity
Voltage dips, interruptions
Description
IEC/EN 61000-3-2
IEC/EN 61000-3-3
FCC 47 CFR Parts 15/CISPR 22/EN55022
FCC 47 CFR Parts 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
Criteria
Class A, 6dB margin
Class A, 6dB margin
4kV contact discharge
8kV operational air discharge
15kV non-operational air discharge
1kV/2kV, Performance Criteria B
3 Vac, 80% AM, 1kHz, Performance Criteria A
3 A/m
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CPS_D1U-W-2000-48-Hx.G02
Page 3 of 5
D1U-W-2000-48-Hx Series
AC/DC Front End Power Supply
OUTPUT CONNECTOR AND SIGNAL SPECIFICATION
DC and Signal Connector: Tyco Part # 1-6450332-7, or FCI PowerBlade # 51732-028
P1
P2
P3
P4
P5
P6
x1
AC_OK
PS_ON
V
OUT
V
OUT
V
OUT
V
RTN
V
RTN
V
RTN
I_SHARE
PS_KILL
I
2
C ADR0
V
OUT
SENSE+
I
2
C ADR1
V
OUT
SENSE-
I
2
C ADR2
I
2
C DATA
PS_
PRESENT
I
2
C
CLOCK
B
A
x2
P_GOOD
V_
SB
+OUT
x3
V_
SB
+OUT
V_
SB
+OUT
x4
V_
SB
RETURN
V_
SB
RETURN
x5
V_
SB
RETURN
V_
SB
RETURN
D
C
Pin Assignment
P1, P2, P3
P4, P5, P6
A2
A3
C2, C3, D3
C4, C5, D4, D5
B1
D1
D2
A1
B5
C1
A4
A5
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
48V D1U mat-
ing connector
MPS
FCI
Tyco
2
Press Fit
Straight
N/A
51742-10602000CALF
TBD
Solder
2
Right Angle
Straight
N/A
51742-10602000AALF
TBD
Right Angle
36-0440026-0
51762-10602000ABLF
TBD
Pending
51762-10602000CBLF
TBD
Solder connector recommended for board thickness of <0.090
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CPS_D1U-W-2000-48-Hx.G02
Page 4 of 5
D1U-W-2000-48-Hx Series
AC/DC Front End Power Supply
MECHANICAL DIMENSIONS - D1U-W-2000-48-Hx
20,20 ±0,40
[ 0.795 ±0.015 ]
312,89 ±0,35
[ 12.319 ±0.013 ]
8,89
[ 0.350 ]
REF
37,31 ±0,40
[ 1.469 ±0.015 ]
132,85 ±0,50
[ 5.230 ±0.019 ]
127,85 ±0,40
[ 5.033 ±0.015 ]
120,65 ±0,65
[ 4.750 ±0.025 ]
304,80 ±0,65
[ 12.000 ±0.025 ]
12,63 ±0,40
[ 0.497 ±0.015 ]
41.00±040
[1.614±0.015]
AC Input Connector: The AC input connector is standard IEC320 C20 (20A)
Dimensions: 4.75" x 12.00" x 1.61" [120.6mm x 304.8mm x 41.0mm]
OPTIONAL ACCESSORIES
Description
48V D1U-48 output connector card
Part Number
D1U-48-CONC
APPLICATION NOTES
Document Number
ACAN-25
ACAN-26
ACAN-29
Description
D1U System Connection
D1U-48 Output Connector Card
D1U Communications Protocol
Link
www.murata-ps.com/data/apnotes/acan-25.pdf
www.murata-ps.com/data/apnotes/acan-26.pdf
www.murata-ps.com/data/apnotes/acan-29.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.
© 2017 Murata Power Solutions, Inc.
www.murata-ps.com/support
CPS_D1U-W-2000-48-Hx.G02
Page 5 of 5
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