BWR Models
www.murata-ps.com
7-10W, Dual Output DC-DC converters
Typical units
FEATURES
PRODUCT OVERVIEW
Low cost! Highly reliable!
It’s hard to beat the combination of low cost, small size (standard 2" x 1" x 0.375" package)
proven reliability and outstanding electrical performance offered by the 7-10W, dual-output
models of MPS’s new A-Series DC/DC converters. These highly efficient, rugged converters combine straightforward circuit topologies, the newest components, proven SMT-on-pcb
construction methods, and highly repeatable automatic-assembly techniques. Their superior
durability is substantiated by a rigorous in-house qualification program that includes HALT
(Highly Accelerated Life Testing).
The wide input voltage ranges of these A-Series duals (4.7-7.25V for "D5A" models,
9-18V for "D12A" models and 18-75V for "D48A" models) make them excellent candidates
for battery-powered systems or for distributed power architectures. Their ±5, ±12 or ±15 Volt
outputs cover virtually all standard applications.
These popular power converters are fully isolated (1500Vdc guaranteed) and display excellent line and load regulation (±0.3% max. for line and ±1% max. for load). They are completely
I/O protected (input overvoltage shutdown and reverse-polarity protection, output current limiting and overvoltage protection) and contain input (pi type) and output filtering to reduce noise.
They require no external components and offer true "plug-and-play" convenience.
These extremely reliable, cost-effective power converters carry industry-standard pinouts
making them ideal replacements for other more costly, less reliable power converters in computer, telecom/datacom, instrumentation and ATE applications. They are an excellent choice for
both new design-ins and upgrading older systems.
Proven SMT-on-pcb construction
Qual tested; HALT tested; EMC tested
Designed to meet UL/EN60950-1
Output voltages: ±5, ±12 or ±15 Volts
Wide input voltage ranges:
4.7-7.25V, 9-18V or 18-75V
Small packages, 2" x 1" x 0.375"
Industry-standard pinouts
Fully isolated, 1500Vdc guaranteed
Guaranteed efficiencies to 82%
–40 to +100°C operating temperature
Modifications and customs for OEM’s
Select models are RoHS compliant
+VIN
(1)
+VOUT
(3)
COMMON
(4)
–VOUT
(5)
–VIN
(2)
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
Typical topology is shown.
For full details go to
www.murata-ps.com/rohs
Figure 1. Simplified Schematic
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MDC_BWR-7-10.F01 Page 1 of 5
BWR Models
7-10W, Dual Output DC-DC converters
PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE ➀
Output
➀
➁
➂
➃
Input
Efficiency
Load ➂
VIN Nom.
(Volts)
Range
(Volts)
IIN ➃
(mA)
Min.
Typ.
Package
(Case/
Pinout)
±1.0%
48
18-75
15/180
79%
81%
C2, P12
±0.3%
±1.0%
12
9-18
20/986
83%
84%
C2, P12
120
±0.3%
±1.0%
48
18-75
15/249
80.5%
84%
C2, P12
75
120
±0.15%
±0.2%
12
9-18
25/980
83%
84%
C2, P12
75
120
±0.3%
±1.0%
48
18-75
15/250
80.5%
82.5%
C2, P12
±700
50
75
±0.3%
±1.0%
5
4.7-7.25
25/1772
76%
79%
C2, P12
±5
±900
75
100
±0.3%
±1.0%
12
9-18
25/930
81%
82%
C2, P12
BWR-12/335-D5A-C
±12
±335
75
120
±0.3%
±1.0%
5
4.7-7.25
40/1846
76%
78%
C2, P12
BWR-15/275-D5A-C
±15
±275
75
120
±0.3%
±1.0%
5
4.7-7.25
40/2089
75%
79%
C2, P12
R/N (mVp-p) ➁
Regulation (Max.)
Model
VOUT
(Volts)
IOUT
(mA, Max.)
Typ.
Max.
Line
BWR-5/700-D48A-C*
±5
±700
50
100
±0.3%
BWR-12/415-D12A-C*
±12
±415
100
120
BWR-12/415-D48A-C*
±12
±415
75
BWR-15/330-D12A-C*
±15
±330
BWR-15/330-D48A-C*
±15
±330
BWR-5/700-D5A-C
±5
BWR-5/900-D12A-C*
Typical at TA = +25°C under nominal line voltage and full-load conditions unless otherwise noted.
Ripple/Noise (R/N) measured over a 20MHz bandwidth.
Balanced loads, 20% to 100% load.
Nominal line voltage, no-load/full-load conditions.
PART NUMBER STRUCTURE
Full Load
* Magnetic feedback.
MECHANICAL SPECIFICATIONS
2.00
(50.80)
B WR - 15 / 330 - D12 A - C
METAL CASE
Output Configuration:
B = Bipolar
RoHS-6 Compliance
0.375
(9.53)
Case C2
A-Series
High Reliability
Wide Range Input
INSULATED BASE
Input Voltage Range:
D5 = 4.7-7.25 Volts (5V nominal)
Nominal Output Voltages:
D12 = 9-18 Volts (12V nominal)
±5, ±12 or ±15 Volts
D48 = 18-75 Volts (48V nominal)
Maximum Output Current
in mA from each output
Not all model combinations are available. Contact Murata Power Solutions.
0.040 ±0.002 DIA.
(1.016 ±0.051)
0.20 MIN
(5.08)
0.800
(20.32)
0.60
(15.24)
0.100
(2.54)
3
1
1.00
(25.40)
4
0.800
(20.32)
2
0.400
(10.16)
5
TEMPERATURE DERATING
10
A, B
9
C
BOTTOM VIEW
0.200
(5.08)
DIMENSIONS ARE IN INCHES (MM)
0.10
(2.54)
A
Output Power (Watts)
B
D
8
C
D, E
E, F
7
F
6
I/O Connections
5
4
3
2
BWR-5/700-D5A
BWR-5/900-D12A
BWR-5/700-D48A
BWR-12/335-D5A
BWR-12/415-D12A
BWR-12/415-D48A
BWR-15/275-D5A
BWR-15/330-D12A
BWR-15/330-D48A
E
C
F
D
A
A
D
A
B
0
55
Pin
1
2
3
4
5
Function P12
+Input
–Input
+Output
Common
–Output
Notes:
For "D5A" and "D12A"models, the
case is connected to pin 2 (–VIN).
For "D48A" models, the case
is connected to pin 1 (+VIN).
1
0
–40
40
45
50
60
65
70
75
80
85
90
95
10 0
Ambient Temperature (°C)
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MDC_BWR-7-10.F01 Page 2 of 5
BWR Models
7-10W, Dual Output DC-DC converters
Performance/Functional Specifications
Typical @ TA = +25°C under nominal line voltage and full-load conditions, unless noted. ➀
Absolute Maximum Ratings
Input
Input Voltage Range:
D5A Models
D12A Models
D48A Models
4.7-7.25 Volts (5V nominal)
9-18 Volts (12V nominal)
18-75 Volts (48V nominal)
Input Voltage:
D5 Models
D12 Models
D48 Models
Input Current
See Ordering Guide
Input Reverse-Polarity Protection
Input Filter Type ➁
Pi
Reverse-Polarity Protection
Yes (Instantaneous, 6A maximum)
Output
VOUT Accuracy (50% load):
±5V Outputs
±12/15V Outputs
±1.5%, maximum
±1%, maximum
Temperature Coefficient
±0.02% per °C
Ripple/Noise (20MHz BW) ➁
See Ordering Guide
Line/Load Regulation
See Ordering Guide
Efficiency
See Ordering Guide
Isolation Voltage ➂
1500Vdc, minimum (functional)
Isolation Capacitance
200pF
Current Limiting
Auto-recovery
Overvoltage Protection ➃
Zener/transorb clamps, magnetic feedback
10 Volts
20 Volts
80Volts
Current must be
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