BWR-5/500-D48-C データシートの表示（PDF） - Murata Power Solutions
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BWR-5/500-D48-C Datasheet PDF : 5 Pages
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www.murata-ps.com
BWR Models
Miniature 5 Watt DC-DC Converters
NOT RECOMMENDED
FOR NEW DESIGNS
Typical units
FEATURES
Small size, 1" x 1" x 0.45"
Full 5 Watts output power
No external components required
Drop-in replacements for many standard,
2" x 1" DC-DCs
Wide input voltage ranges:
18-36V or 36-72V
Standard output voltages:
±5, ±12, ±15 Volts
Guaranteed efficiencies to 80%
Fully regulated and isolated
(1000Vdc guaranteed)
Output overvoltage protection and
current limiting
–25 to +95oC operating temperature
Shielded cases (5 sides)
UL1950, CSA 22.2 No. 234, and IEC950
Modifications and customs for OEMs
PRODUCT OVERVIEW
The migration to distributed power is accelerating.
The critical need for accurate voltages, tight regu-
lation and rapid transient response is propelling
the move to power processing at the "point-of-
use" with low-power DC-DC converters physically
located right at their loads.
MPS’s miniature, full featured, 5 Watt BWR Models
were specifically designed for today’s demand-
ing distributed power architectures in aerospace,
marine, telecom and computer applications. The
converters’ small size (1" x 1" x 0.45"),
full 5 Watt output capability and low cost give
system architects unprecedented design and
layout flexibility.
Occupying less than 0.5in3 total volume, these
extremely compact, fully regulated and isolated
(1000Vdc) modules are available with ±5, ±12 or
±15 Volt outputs. Input voltage ranges are either
18-36 Volts ("D24" models) or 36-72 Volts ("D48"
models).
Although their overall size is 50-75% smaller than
many similarly rated power modules, these 1"
x 1" BWR Models are exact, drop-in, pin-for-pin
replacements for many standard 2" x 1" and 2"
x 2", 5 Watt modules. They achieve their small
size and low cost by exploiting a novel feedback
approach that does not depend upon traditional
optocoupler techniques.
All models are 5-side shielded and have a non-
conductive baseplate that permits pc-card runs
to be placed beneath the package. Units are
assembled using
high-speed automated SMT techniques and are
fully encapsulated with thermally
conductive potting compound. Every unit is electri-
cally tested before and after
encapsulation, 100% burned-in under full load,
hi-pot tested, and final-electrical tested prior to
shipment. Every unit meets MPS’s traditional high
standards for quality and long-term reliability.
*
+VIN
(1)
PWM
–VIN
(2)
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
Figure 1. Simplified Schematic
+VOUT
(3)
COMMON
(4)
–VOUT
(6)
* "D24" models only
Typical topology is shown.
MDC_BWR_5W.C02 Page 1 of 5
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