Data Sheet
July 1999
JW050A, JW075A, JW100A, JW150A Power Modules:
dc-dc Converters; 36 to 75 Vdc Input, 5 Vdc Output; 50 W to 150 W
Features
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Small size: 61.0 mm x 57.9 mm x 12.7 mm
(2.40 in. x 2.28 in. x 0.50 in.)
High power density
High efficiency: 84% typical
Low output noise
Constant frequency
Industry-standard pinout
Metal baseplate
2:1 input voltage range
Overtemperature protection (100 W and 150 W only)
Overcurrent and overvoltage protection
Remote sense
Remote on/off
Adjustable output voltage: 60% to 110% of V
O, nom
Case ground pin
ISO9001 Certified manufacturing facilities
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The JW050A, JW075A, JW100A, and JW150A Power Modules
use advanced, surface-mount technology and deliver high-
quality, efficient, and compact dc-dc conversion.
Applications
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Distributed power architectures
Workstations
Computer equipment
Communications equipment
UL*
1950 Recognized,
CSA
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C22.2 No. 950-95
Certified, and VDE 0805 (EN60950, IEC950)
Licensed
CE mark meets 73/23/EEC and 93/68/EEC
directives
‡
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Options
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Heat sinks available for extended operation
Choice of remote on/off logic configuration
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UL
is a registered trademark of Underwriters Laboratories, Inc.
†
CSA
is a registered trademark of Canadian Standards Assn.
‡ This product is intended for integration into end-use equipment.
All the required procedures for CE marking of end-use equip-
ment should be followed. (The CE mark is placed on selected
products.)
Description
The JW050A, JW075A, JW100A, and JW150A Power Modules are dc-dc converters that operate over an input
voltage range of 36 Vdc to 75 Vdc and provide a precisely regulated dc output. The outputs are fully isolated
from the inputs, allowing versatile polarity configurations and grounding connections. The modules have maxi-
mum power ratings from 50 W to 150 W at a typical full-load efficiency of 84%.
The sealed modules offer a metal baseplate for excellent thermal performance. Threaded-through holes are pro-
vided to allow easy mounting or addition of a heat sink for high-temperature applications. The standard feature set
includes remote sensing, output trim, and remote on/off for convenient flexibility in distributed power applications.