Data Sheet

April 2008

DW025 Dual Output-Series Power Modules: dc-dc Converters;

36 Vdc to 75 Vdc Input; Dual Outputs; 25 W

The DW025-Series Power Modules use advanced, surface-

mount technology and deliver high-quality, compact, dc-dc

conversion at an economical price.

Features

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Small size: 71.1 mm x 61.0 mm x 12.7 mm

(2.80 in. x 2.40 in. x 0.50 in.)

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Low output noise

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Industry-standard pinout

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Metal case with separate case ground pin

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2:1 input voltage range

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Remote on/off (positive logic)

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Licensed

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Within FCC and CISPR Class A Radiated Limits

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CE mark meets 73/23/EEC and 93/68/EEC

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Two tightly regulated outputs

Applications

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Distributed power architectures

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Telecommunications

Options

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Higher-accuracy output voltage clamp set point

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Short pins: 2.79 mm ± 0.25 mm

(0.110 in. ± 0.010 in.)

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Heat sink available for extended operation

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Negative logic remote on/off

Description

The DW025-Series Power Modules are a family of

dc-dc converters that operate over an input voltage

range of 36 Vdc to 75 Vdc and provide two regulated

outputs. These modules offer low noise levels with

industry-standard pinouts in a small footprint. Each

highly reliable and efficient unit features remote

on/off and current limit.

Each output is individually regulated by its own con-

trol circuit and has an independent overvoltage

clamp. With standard outputs of +3.3 V, ±5 V, ±12 V,

and ±15 V, the DW025-Series is flexible enough to

provide modified standard units with any combination

of output voltages from 2 V to 15 V.

Efficiency greater than 80%, a wide operating tem-

perature range, and a metal case are additional fea-

tures of these modules. They have UL, CSA, and

VDE recognition and operate within FCC and CISPR

Class A limits for radiated emissions.

The DW025AJ-M, BK-M, and CL-M Power Modules

are available with common output ground pins

(pinout A); the DW025AA-M, AB-M, AF-M, BB-M,

and CC-M Power Modules are available with sepa-

rate output ground pins (pinout B).

* UL is a registered trademark of Underwriters Laboratories, Inc.

† CSA is a registered trademark of the Canadian Standards Asso-

ciation.

‡ 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.)