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QBK020A0B1 Datasheet, PDF (1/16 Pages) Lineage Power Corporation – 36 - 55 Vdc Input; 12Vdc Output; 20A Output Current | |||
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Data Sheet
March 27, 2008
QBK020A Series Power Modules; DC-DC Converters
36-55 Vdc Input; 12Vdc Output; 20A Output Current
RoHS Compliant
Features
Applications
 Distributed power architectures
 Intermediate bus voltage applications
 Servers and storage applications
 Networking equipment
Options
 Negative Remote On/Off logic
 Active load sharing (Parallel Operation)
 Baseplate option (-H)
 Auto restart after fault shutdown
Description
 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 â 94% at 12V full load
 Thermal Performance: 8A at 70ºC at 1m/s
(200LFM)
 Delivers up to 20A 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)
 Cost efficient open frame design
 Single optimal regulated output
 Narrow input voltage range
 Positive Remote On/Off logic
 Output over current/voltage protection
 Over temperature protection
 Wide operating temperature range (-40°C to
85°C)
 ISO* 9001 certified manufacturing facilities
 Complies with and is licensed for Basic Insulation
rating per EN60950-1
 UL** 60950-1 Recognised, CSAâ C22.2 No.
60950-1-03 Certified, and VDEâ¡ 0805 (IEC60950,
3rd Edition) Licensed
 CE mark meets 2006/95/EC directive§
The QBK-series dc-dc converters are a new generation of DC/DC power modules designed to support 12Vdc
intermediate bus applications where multiple low voltages are generated using discrete/modular point of load
(POL) converters. The QBK series provide up to 20A 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. The ultra high efficiency of this converter leads to lower power
dissipation such that for most applications a heat sink is not required. The QBK series power modules are isolated
dc-dc converters that operate over a narrow input voltage range of 36 to 55 Vdc and provide single optimal
regulated 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.
â CSA is a registered trademark of Canadian Standards Association.
â¡ 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: DS03-077 ver. 1.44
PDF Name: qbus-qbk020a.pdf
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