MVAC400 Series
400W 3" x 5" High Density AC-
DC Power Supply
www.murata-ps.com/support
MVAC400.B03 Page 1 of 9
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CB
ORDERING GUIDE
Model Number Natural Convection Cooling
Forced Air Cooling Main Output
(V1)
Fan Output
(V2)
Aux Output
(V3)
MVAC400-12AF
250W 400W @ 250LFM
12V
12V 5V
MVAC400-24AF
24V
MVAC400-48AF
50V
MVAC400-12AFD
12V
MVAC400-24AFD
24V
MVAC400-48AFD
50V
MVAC400-24AFT*
24V
MVAC400-24AFJT*#
24V
MVAC400-12AFR*
12V
MVAC400-12AFT*
12V
MVAC-COVER
Optional cover kit assembly; see MVAC-COVER datasheet for details.
Refer to page 2 for current sharing details for MVAC400-xxAFD and MVAC400-xxAFR models.
* CCC Certification is not available for these models.
#
JST : B2P3-VH Series AC Input Connector
Molex Input Connector Variant Shown
FEATURES
IEC60601 Ed 3 Medical (2 X MOPP Pri-Sec)
EN60950 ITE safety approved
400W compact high density
3" x 5" standard footprint
High efficiency up to 94%
Remote sense
Remote On/Off, Power OK
Universal AC input with active PFC
Less than 1U high – 1.4"
Convection cooled operation up to 250W
Isolated 12V@1A fan output
Isolated 5V@2A standby output
RoHS compliant
Active inrush protection
Current sharing option
DESCRIPTION
The MVAC400 series switching power supplies utilize
advanced component and circuit technologies to
deliver high efficiency. Designed for medical,
computing, communications, telecom and other OEM
applications to satisfy 1U height design
considerations, the MVAC400 Series measures only
3.0" x 5.0" x 1.40". All models offer universal AC
input with active power factor correction (PFC) and
compliance to worldwide safety and EMC standards.
Available now at
www.murata-ps.com/en/3d/acdc.html
INPUT CHARACTERISTICS
Parameter
Conditions
Min.
Typ.
Max.
Units
Input Voltage Operating Range
Single phase
90
115/230
264
Vac
DC
127
300
Vdc
Input Frequency
47
50/60
63
Hz
Turn-on Input Voltage
Input rising
80
90
Vac
Turn-off Input Voltage
Input falling
70
80
Input Current
90Vac input, full load all outputs
5.5
A
No Load Input Power
7
(PS_ON = OFF, 5V_Aux = 0A)
1.5
2.0
W
Inrush Current
At 264Vac, at 25°C cold start
15
Apk
Power Factor
At 230Vac, full load
0.98
OUTPUT CHARACTERISTICS
Model Number
Main Output
Voltage (V1)
Load Current
Maximum Load
Capacitance
Line, Load, Cross
Regulation6
Typical Efficiency
@230Vac
MVAC400-12AFx
12V
0 to 33.3A
0 to 2200µF
± 1%
93%
MVAC400-24AFxx 24V 0 to 16.7A 0 to 470µF ± 1% 93%
MVAC400-48AFx
50V
0 to 8.0A
0 to 150µF
± 1%
94%
MAIN OUTPUT CHARACTERISTICS (ALL MODELS)
Parameter Conditions Typ. Max. Units
Transient Response
9
50% load step, 1A/µsec slew rate
± 5
%
Settling Time to 1% of Nominal 500 µsec
Turn On Delay
After application of input power
3
sec
Output Voltage Rise Monotonic5 50 msec
Output Holdup
120Vac/60Hz, full load
20
Temperature Coefficient 0.02 %/°C
Ripple Voltage & Noise1
1
%
Remote Sense
Compensates for up to 0.5V of lead drop with
remote sense connected. Protected against
short circuit and reverse connection.
500 mV
Hot Swap Transients10
All outputs remain in regulation
± 10
%
AUXILIARY OUTPUT CHARACTERISTICS (ALL MODELS)
Auxiliary Output
Aux Output
Voltage
8
Load Current Load Capacitance
Line, Load, Cross
Regulation
3
Ripple Voltage &
Noise
1
Fan (V2) 12V 0 to 1A 0 to 220µF ± 10% 2%
Aux (V3)
5V
0 to 2A
0 to 220µF
± 5%
1%
For
full details go to
www
.murata-ps.com/rohs
Test Certificate
And Test Report
To Be Discontinued* *LAST TIME BUY: 4/1/2018.
MVAC400 Series
400W 3" x 5" High Density AC-DC Power Supply Converter
www.murata-ps.com/support
MVAC400.B03 Page 2 of 3
ENVIRONMENTAL CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Storage Temperature Range
-40
85
°C
Operating Temperature Range See power rating curves -10
70
Start up -20
Operating Humidity Non-condensing 10
95 %
Operating Altitude
-200
5000 m
MTBF Telcordia SR-332 M1C3 @25°C 474K
Hours
Shock Operating, MIL-HBK-810E Complies
Non-operating, MIL-HBK-810E Complies
Operational Vibration IEC-68-2-27 standard Complies to levels of IEC721-3-2
Safety – Medical Standards
2 x MOPP (Primary-Secondary)
IEC60601-1 (Ed. 3) – CB Cert and Report
ANSI/AAMI ES60601-1 (2005+C1:09+A2:10)
CAN/CSA 22.2 No. 60601-1 (2008) 3rd Edition
EN60601-1:2006+CORR:2010
Safety – ITE Standards
UL60950-1, 2nd Edition, 2011-12-19
CSA22.2 No.60950-1-07, 2nd Edition, 2001-12.
EN60950-1:2006+A11:2009/A1/2010/A12:2011
IEC 60950 (ed.2), IEC60950 (ed.2); am1
CE Marking per LVD
Warranty 2 years
Outside Dimensions 3.0" x 5.0" x 1.4" (76.2mm x 127mm x 35.6mm)
Weight (typ.) 0.8lbs (362.87g)
RESIDUAL RISK (PER ISO 14971 & IEC60601-1) FOR USER CONSIDERATION
Fault Condition
Residual Risk
Complies Contact your Murata salesperson for details
PROTECTION CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Over Voltage Protection4
V1 (main output) latching 110
125 %
V3 (aux output) latching 5.5
7.5 V
Over Current Protection4
V1, hiccup mode 110
130
%A max
V3, auto-recovery 110
150
Over Temperature Protection Auto-recovery
Complies
Remote Sense Short Circuit Protection
Complies
Remote Sense Reverse Connection Protection
Complies
ISOLATION CHARACTERISTICS
Parameter Conditions
Min.
Typ.
Max.
Units
Isolation Primary to Chassis
1500
Vac
Primary to Secondary (2xMOPP)
4000
Secondary to Chassis
500
Output to Output
500
Earth Leakage Current (under single fault condition) 264Vac, 60Hz, 25°C
300
µA
Earth Leakage Current (under normal conditions) 264Vac, 60Hz, 25°C
150
µA
CURRENT SHARING OPTION – MVAC400-xxAFD AND MVAC400-xxAFR
Model Number
Description
MVAC400-12AFD
MVAC400-24AFD
MVAC400-48AFD
MVAC400-12AFR
Main Output: Current share is achieved using the droop method. Nominal output voltage is achieved at 50% load and output voltage increases/drops at a
rate of:
• 30mv per amp for the 12V output•
• 120mV per amp for the 24V output
• 500mV per amp for the 50V output.
Startup of parallel power supplies is not internally synchronized. If more than 400W combined power is needed, start-up synchronization must be provided
by using a common PS_ON signal. To account for ±10% full load current sharing accuracy and the reduction in full load output voltage due to droop,
available output power must be derated by 15% when units are operated in parallel. Current sharing can be achieved with or without remote sense
connected to the common load.
If ORing protection is desired, use the AFR model or if the AFD model is selected please contact Murata sales for external ORing FET board or external
ORing
FET reference circuit design (also see Applications Note ACAN-42).
Aux (V3) output can be tied together for redundancy but total combined output power must not exceed 10W, external ORing devices must be used. Fan (V2)
can be tied together for redundancy but total com load must not exceed 12W, external ORing devices must be used.
MVAC400 Series
400W 3" x 5" High Density AC-DC Power Supply Converter
www.murata-ps.com/support
MVAC400.B03 Page 3 of 3
EMISSIONS AND IMMUNITY
Characteristic Standard Compliance
Input Current Harmonics
IEC/EN 61000-3-2
Class A
Voltage Fluctuation and Flicker IEC/EN 61000-3-3 Complies
Conducted Emissions EN 55022 Class B
FCC Part 15
Class B
ESD Immunity IEC/EN 61000-4-2 Level 4, Criterion 2
Radiated Field Immunity IEC/EN 61000-4-3 Level 3, Criterion A
Electrical Fast Transient Immunity IEC/EN 61000-4-4 Level 4, Criterion A
Surge Immunity IEC/EN 61000-4-5 Level 3, Criterion A
Radiated Field Conducted Immunity IEC/EN 61000-4-6 Level 3, 10V/m, Criterion A
Magnetic Field Immunity
IEC/EN 61000-4-8
Level 3, Criterion A
Voltage dips, interruptions IEC/EN 61000-4-11 Level 3, Criterion B
E
EMI CONSIDERATIONS
For optimum EMI performance, the power supply should be mounted to a metal plate grounded to all 4 mounting holes of the power supply. To comply with safety standards,
this plate must be properly grounded to protective earth (see mechanical dimension notes). Pre-compliance testing has shown the stand-alone power supply to comply with
EN55022 class A radiated emissions. Class B radiated emissions are achievable with a metal enclosure. Radiated emission results vary with system enclosure and cable routing
paths.
MI
CONSIDE
SAFETY CONSIDERATIONS
1. This power supply is a component level power supply intended for use in Class I or Class II applications. Secondary ground traces need to be suitably
isolated from primary ground traces when used in Class II applications.
2. When the power supply is used in Class II equipment, all ground traces and components connected to the primary side are considered primary for spacing
and insulation considerations.
IONS
STATUS AND CONTROL SIGNALS
Parameter Models Conditions
PS_ON
MVAC400-xxAF
MVAC400-xxAFD
MVAC400-xxAFR
This pin must be pulled low (sink current >2mA) to +5V_AUX_RTN to turn on the main and Fan (V2) output. The +5V_AUX output is independent of
the PS_ON signal, and comes up automatically when the input AC or input DC voltage is applied within their specified operating ranges.
MVAC400-xxAFT
MVAC400-xxAFJT
This pin is pulled high internally and so all three outputs (main, Fan output and +5V_AUX) come up automatically when the input AC or input DC
voltage is applied within their specified operating ranges.
Pulling this pin low (sink current >2mA) to +5V_AUX_RTN will disable the main and fan outputs.
PWR_OK
All Models Open collector logic goes high 50-200ms after the main output is within regulation; it goes low at least 6msecs before loss of regulation. Internal
10K pull up to +5V_Aux is provided. Applications using the PWR_OK signal should maintain a minimum load of 5W on the main or fan output.
1. Noise and ripple is measured at an oscilloscope jack on the output, 20MHz bandwidth, and with
0.1µF ceramic and 10µF aluminum electrolytic capacitors across the output pins.
2. Unless otherwise specified all measurements are taken at 120Vac input and 25°C ambient
temperature.
3. Fan (V2) regulation band applies from 0.1A to 1A load with a minimum of 10W load on the main
(V1) output.
4. Fan (V2) has overvoltage protection (tracking V1) and short circuit protection. Overloading the Fan
(V2) output can result in permanent damage to the unit.
5. 24V and 50V models may exhibit up to 5% turn on overshoot for loads less than 4% of full load.
6. Load regulation for droop version models (MVAC400-xxAFD and MVAC400-xxAFR) is based the
calculated droop voltage ±1.5% (see current sharing section for droop characteristics).
7.
No load Input power varies by model and by input line. Measurement is difficult to make due to burst
mode operation. Please contact Murata sales if additional information is required.
8.
All three output returns are isolated from each other (see isolation characteristics section); the
returns may be tied together externally.
9.
Load steps beginning from combined loads on the main and fan outputs of less than 5W may
result in a transient undershoot outside of the specification limits.
10.
For MVAC400-xxAFR models only: Measured with 220µF capacitance across main output.
PART NUMBER STRUCTURE
MV
A
x
yyy
-
zz
hhhh
Murata Manufacturing Corp.
Form Factor Outline
A = 2″x4″; 3″x5″ or 4″x7″
Modification Code Options
A = Aux 5V Standby Voltage
F = Aux 12V Fan Output
D = Droop Current Share
J = JST AC Input Connector Variant
T = Terminal Output Connector
R = Terminal Output Connector, with Internal ORING Solution
and Droop Current Share
Outline Detail Main Output Voltage
B & D = 2″x4″ (12, 24, 27, 48)
C = 3″x5″
F = 4″x7″ Output Power (Watts)
(40, 65, 120, 160, 250, 400 or 750)
MVAC400 Series
400W 3" x 5" High Density AC-DC Power Supply Converter
www.murata-ps.com/support
MVAC400.B03 Page 4 of 3
PERFORMANCE DATA
Inrush Current
Time: 100 msec/div, Ch1: 500 V/div, Ch4: 20 A/div, Vin: 264 VAC, Ipk = 15.1A
AC applied at peak of sine wave
MVAC400 Series
400W 3" x 5" High Density AC-DC Power Supply Converter
www.murata-ps.com/support
MVAC400.B03 Page 5 of 3
Output Power (Watts)
Output Power (Watts)
Output Power (Watts)
Static Pressure (in.
w.g.)
THERMAL
CONSIDERA
TIONS
System thermal management is critical to the performance and reliability of the MVAC series power supplies. Performance derating curves are provided
which can be used as a guideline for what can be achieved in a system configuration with controlled airflow at various input voltage conditions.
The air flow curves are generated using an AMCA 210-99 and ASHRAE 51-1999 compliant wind tunnel with heated inlet air and a controlled CFM
providing a duct test section having a calculated average LFM. A correlation between the test setup and the actual system environment is paramount to
understanding what can be achieved in an actual system. In a power supply of this density, cooling air moving both through the unit as well as around the
unit strongly influences local temperatures. The wind tunnel test setup was constructed to produce a flow with a slight back pressure to induce both flow
conditions by providing a small gap between the power supply and duct walls of 0.5" (13mm). The optimal and characterized airflow direction is from the
input connector to the output connector (see diagram below). The P-Q flow curve for this test setup is also shown below.
13mm [0.5in] all sides
Power Supply
0.0100
P-Q CURVE, DUCTED FLOW
0.0075
0.0050
*
Ambient
T
e
mper
a
t
ur
e
Meas
ur
ement
0.0025
Output Connector Input Connector
64mm [2.5in]
0.0000
0
2.5
5
7.5
10
12.5
15
17.5
20
22.5
AIRFLOW-(CFM
@ 0.075 lbs/cu ft air
density)
The natural convection data is obtained from a horizontally mounted power supply with un-obstructed flow at room temperature. At elevated temperature
the power supply data is taken while it is surrounded by a large vented enclosure to minimize forced cross flows inherent in the elevated temperature test
system.
450
Power Rating at 230Vac
450
Power Rating at 120Vac
400
400
350
350
300
250
200
150
100
50
10 20 30 40 50 60 70
Ambient Temperature (Degrees C)
350LFM
250LFM
Nat Conv
300
250
200
150
100
50
10 20 30 40 50 60 70
Ambient Temperature (Degrees C)
500LFM
350LFM
250LFM
Nat Conv
450
Power Rating at 100Vac
450
Power Rating at 90Vac
400
400
350
350
300
250
200
150
100
50
10 20 30 40 50 60 70
Ambient Temperature (Degrees C)
500LFM
350LFM
250LFM
Nat Conv
300
250
200
150
100
50
10 20 30 40 50 60 70
Ambient Temperature (Degrees C)
500LFM
350LFM
250LFM
Nat Conv
Airflow
Output Power (Watts)
MVAC400 Series
400W 3" x 5" High Density AC-DC Power Supply Converter
www.murata-ps.com/support
MVAC400.B03 Page 6 of 3
WIRING DIAGRAM FOR OUTPUT
Note: For parallel (current share) operation it is required to connect the sharing power supplies in parallel (+DC out connected together and DC out Return connected together on sharing power
supplies. Since each output has an identical “droop” share characteristic then each output will intrinsically share the total load current.
WIRING DIAGRAM FOR OUTPUT
APPLICATION NOTE
Document Number Description Link
ACAN-42 MVAC Series External ORing FET Reference Circuit www.murata-ps.com/data/apnotes/acan-42.pdf
MVAC400 Series
400W 3" x 5" High Density AC-DC Power Supply Converter
www.murata-ps.com/support
MVAC400.B03 Page 7 of 3
MECHANICAL DIMENSIONS – MVAC400-xxAF AND MVAC400-xxAFD
SAFETY CONSIDERATION NOTES:
1. Protective bonding conductor from the end product protective earthing terminal must be tied to TB1. For optimum EMI performance, while maintaining Class
I safety isolation all 4 mounting holes must be tied to the end product protective earthing terminal. To maintain Class II safety isolation mounting holes MTG1
and MTG2 need to be isolated from protective earth and should use standoffs of non-conductive material.
2. This power supply requires mounting standoffs of minimum 6mm in height. If there is risk of chassis deformation or shorter standoff height is required, an
appropriate insulator must be used under the power supply with adequate extension beyond the outline of the power supply. In all cases, the applicable
safety standards must be applied to ensure proper creepage and clearance requirements are met.
3. The primary heatsink is considered a live primary circuit, and should not be touched. It is recommended that the primary heatsink be kept at least
3.5mm from chassis, and 7mm from secondary circuits. In all cases, the applicable safety standards must be applied to ensure proper creepage and
clearance requirements are met.
4. 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/
5. Used only in non-tropical conditions.
6. Double pole/neutral fusing.
INPUT/OUTPUT CONNECTOR AND SIGNAL SPECIFICATION AND MATING CONNECTORS – MVAC400-xxAF and MVAC400-xxAFD
Connector
PIN
Description
Mating Housing
Crimp terminal/pins
Input Connector J1:
Molex 26-62-4030
1
AC Neutral
Molex 0009930300
Molex 0008500105 (18-24 AWG) Molex
0008500107 (22-26 AWG)
3
AC Line
Output Connector J2:
Molex 39-28-1123
1,2,3,4,5,6
+DC_OUT
Molex 0039012125
Molex 0039000038
7,8,9,10,11,12
+DC_OUT_RTN
Output Connector J3:
Molex 90130-1108
1
+5V_AUX
Molex 0901420008
Molex 0901190109
2
PWR_OK
3
+12V_FAN_RTN
4
PS_ON
5
+Remote Sense
6
-Remote Sense
7
+12V_FAN
8
+5V_AUX_RTN
MVAC400 Series
400W 3" x 5" High Density AC-DC Power Supply Converter
www.murata-ps.com/support
MVAC400.B03 Page 8 of 3
MECHANICAL DIMENSIONS – MVAC400-xxAFT AND MVAC400-xxAFR
SAFETY CONSIDERATION NOTES:
1. Protective bonding conductor from the end product protective earthing terminal must be tied to TB1. For optimum EMI performance, while maintaining
Class I safety isolation all 4 mounting holes must be tied to the end product protective earthing terminal. To maintain Class II safety isolation mounting
holes MTG1 and MTG2 need to be isolated from protective earth and should use standoffs of non-conductive material.
2. This power supply requires mounting standoffs of minimum 6mm in height. If there is risk of chassis deformation or shorter standoff height is required,
an appropriate insulator must be used under the power supply with adequate extension beyond the outline of the power supply. In all cases, the
applicable safety standards must be applied to ensure proper creepage and clearance requirements are met.
3. The primary heatsink is considered a live primary circuit, and should not be touched. It is recommended that the primary heatsink be kept at least
3.5mm from chassis, and 7mm from secondary circuits. In all cases, the applicable safety standards must be applied to ensure proper creepage and
clearance requirements are met.
4. 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/
5. Used only in non-tropical conditions.
6. Double pole/neutral fusing.
INPUT/OUTPUT CONNECTOR AND SIGNAL SPECIFICATION AND MATING CONNECTORS – MVAC400-xxAFT AND MVAC400-xxAFR
Connector
PIN
Description
Mating Housing
Crimp terminal/pins
Input Connector J1:
Molex 26-62-4030
1
AC Neutral
Molex 0009930300
Molex 0008500105 (18-24 AWG)
Molex 0008500107 (22-26 AWG)
3
AC Line
Output Connector J2:
+
+DC_OUT
6-32 machine screws
–
+DC_OUT_RTN
Output Connector J3:
Molex 90130-1108
1
+5V_AUX
Molex 0901420008
Molex 0901190109
2
PWR_OK
3
+12V_FAN_RTN
4
PS_ON
5
+Remote Sense
6
-Remote Sense
7
+12V_FAN
8
+5V_AUX_RTN
MVAC400 Series
400W 3" x 5" High Density AC-DC Power Supply Converter
www.murata-ps.com/support
MVAC400.B03 Page 9 of 3
MECHANICAL DIMENSIONS – MVAC400-xxAFJT
SAFETY CONSIDERATION NOTES:
1. Protective bonding conductor from the end product protective earthing terminal must be tied to TB1. For optimum EMI performance, while maintaining
Class I safety isolation all 4 mounting holes must be tied to the end product protective earthing terminal. To maintain Class II safety isolation mounting
holes MTG1 and MTG2 need to be isolated from protective earth and should use standoffs of non-conductive material.
2. This power supply requires mounting standoffs of minimum 6mm in height. If there is risk of chassis deformation or shorter standoff height is required,
an appropriate insulator must be used under the power supply with adequate extension beyond the outline of the power supply. In all cases, the
applicable safety standards must be applied to ensure proper creepage and clearance requirements are met.
3. The primary heatsink is considered a live primary circuit, and should not be touched. It is recommended that the primary heatsink be kept at least
3.5mm from chassis, and 7mm from secondary circuits. In all cases, the applicable safety standards must be applied to ensure proper creepage and
clearance requirements are met.
4. 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/
5. Used only in non-tropical conditions.
6. Double pole/neutral fusing.
INPUT/OUTPUT CONNECTOR AND SIGNAL SPECIFICATION AND MATING CONNECTORS – MVAC400-xxAFJT
Connector
PIN
Description
Mating Housing
Crimp terminal/pins
Input Connector J1:
JST B2P3-VH
1
AC Neutral
JST NVAR-02VS JST SVT-41T-P1.1 (20~16 AWG)
3
AC Line
Output Connector J2:
+
+DC_OUT
N/A
6-32 machine screws
–
+DC_OUT_RTN
Output Connector J3:
Molex 90130-1108
1
+5V_AUX
Molex 0901420008
Molex 0901190109
2
PWR_OK
3
+12V_FAN_RTN
4
PS_ON
5
+Remote Sense
6
-Remote Sense
7
+12V_FAN
8
+5V_AUX_RTN
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
require
ments
and
the Life and Safety Critical Application Sales
Policy. Refer to:
http://ww
w
.murata-ps.com/requirements/
Mur
ata Power Solutions, Inc. (“Murata”) 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. Buyer represents and agrees that
it
has all the necessary expertise to create and implement safeguards that anticipate dangerous consequences of failures, monitor failures and their consequences, lessen the likelihood of failures that might cause harm, and take appropriate remedial actions. Buyer will fully indemnify
Mur
ata, its affiliated companies, and its representatives against any damages arising out of the use of any Murata products in safety-critical applications. Specifications are
subject
to change without
notice. ©
2016 Murata Power Solutions,
Inc.
