Datasheet > QBE025A0B1

QBE025A0B1

更新时间： 2024-11-21 09:52:15

品牌	Logo	应用领域
LINEAGEPOWER		/
页数	文件大小	规格书
16页	450K
描述
42 - 53Vdc input; 12Vdc Output; 25A output current

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QBE025A0B1 数据手册

Data Sheet

March 27, 2008

QBE025A0B Series Power Modules, DC - DC Converters:

42 – 53Vdc Input; 12Vdc Output; 25A Output Current

Features

RoHS Compliant

Compliant to RoHS EU Directive 2002/95/EC (-Z

versions)

Compliant to ROHS EU Directive 2002/95/EC with

lead solder exemption (non-Z versions)

Exceptionally High power density: 173 W/in³

High efficiency – 94% at 12V full load

Improved Thermal Performance:

at 70ºC at 1m/s (200LFM)

Delivers up to 25A output current

Low output ripple and noise

Industry standard Quarter brick:

57.9 mm x 36.8 mm x 10.6 mm

(2.28 in x 1.45 in x 0.42 in)

Applications

Distributed power architectures

Intermediate bus voltage applications

Telecommunications equipment

Servers and storage applications

Networking equipment

Cost efficient open frame design

Single optimal regulated output

Intermediate input voltage range

Constant switching frequency

Positive Remote On/Off logic

Output over current/voltage protection

Overtemperature protection

Options

Negative Remote On/Off logic

Wide operating temperature range (-40°C to 85°C)

ISO* 9001 certified manufacturing facilities

Active load sharing (Parallel Operation)

Baseplate option (-H)

Complies with and is licensed for Basic Insulation

rating per EN60950-1

UL** 60950-1 Recognised, CSA^†C22.2 No. 60950-

1-03 Certified, and VDE^‡0805 (IEC60950, 3^rd

Edition) Licensed

Auto restart after fault shutdown

Case ground pin

CE mark meets 2006/95/EC directive^§

Description

The QBE025A0B series of dc-dc converters are an expansion of a new generation of DC/DC power modules

designed to support 12Vdc intermediate bus applications where multiple low voltages are subsequently generated

using discrete/modular point of load (POL) converters. The QBE025A0B series provide up to 25A output current in

an industry standard quarter brick, which makes it an ideal choice for small space, high current and 12V

intermediate bus voltage applications. The converter incorporates synchronous rectification technology and

innovative packaging techniques to achieve ultra high efficiency reaching 94% at 12V full load. This leads to lower

power dissipation such that for many applications a heat sink is not required.

The QBE025A0B series power modules are isolated dc-dc converters that operate over an input voltage range from

42 to 53 Vdc and provide a single regulated 12V output. The output is fully isolated from the input, allowing versatile

polarity configurations and grounding connections. Built-in filtering for both input and output minimizes the need for

external filtering.

* ISO is a registered trademark of the International Organization of Standards

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

^†CSA is a registered trademark of Canadian Standards Association.

^‡VDE is a trademark of Verband Deutscher Elektrotechniker e.V.

§ This product is intended for integration into end-use equipment. All of the required procedures of end-use equipment should be followed.

Document No: DS03-078 ver. 1.25

PDF Name: qbus-qbe025a.pdf

12 3 4 5 6 7...16

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