Data Sheet
GE
QBVE078A0S10R4 Barracuda* Series; DC-DC Converter Power Modules
45-56Vdc Input; 10.4Vdc, 78.0A, 810W Output
Features
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Compliant to RoHS II EU Directive 2011/65/EC (-Z versions)
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Compliant to REACH Directive (EC) No 1907/2006
Can be processed with paste-through-hole Pb or Pb-free
reflow process
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High and flat efficiency profile >96.5% at Vin=48Vdc, 30%
load to 100% output
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Input voltage range: 45-56Vdc
Delivers up to 78.0Adc output current
Fully very tightly regulated output voltage
Low output ripple and noise
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Industry standard, DOSA Compliant Quarter Brick:
58.4 mm x 36.8 mm x 10.9 mm
(2.30 in x 1.45 in x 0.43 in)
RoHS Compliant
Applications
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Base plate (-H=option code) (must be ordered)
Constant switching frequency
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Distributed power architectures
Intermediate bus voltage applications
Positive Remote On/Off logic
Output over current/voltage protection
Over temperature protection
Servers and storage applications
Fan assemblies and other systems requiring a tightly
regulated output voltage
Wide operating temperature range
-5°C to 85°C, continuous
-20°C to 90°C, short term, 96hrs/year
UL# 60950-1, 2nd Ed. Recognized, CSA† C22.2 No. 60950-1-
07 Certified, and VDE‡ (EN60950-1, 2nd Ed.) Licensed
Options
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Negative Remote On/Off logic (1=option code, factory
preferred)
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CE mark to 2006/96/EC directive§
Auto-restart after fault shutdown (4=option code, factory
preferred)
750Vdc Functional Isolation
ISO** 9001 and ISO14001 certified manufacturing facilities
Passive Droop Load Sharing (-P=option code)
Description
The QBVE078A0S10R4 Barracuda series of dc-dc converters are a new generation of fully regulated DC/DC power modules
designed to support 10.4Vdc intermediate bus applications where multiple low voltages are subsequently generated using point
of load (POL) converters, as well as other application requiring a tightly regulated output voltage. The QBVE078A0S10R4 series
operate from an input voltage range of 45 to 56Vdc and provide up to 78.0A output current at output voltages of 10.4Vdc in an
industry standard, DOSA compliant quarter brick. The converter incorporates digital control, synchronous rectification technology,
a fully regulated control topology, and innovative packaging techniques to achieve efficiency exceeding 97% at 10.4V output. This
leads to lower power dissipations such that for many applications a heat sink is not required. Standard features include on/off
control, output overcurrent and over voltage protection, over temperature protection, input under and over voltage lockout.
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.
*
Trademark of General Electric Company
#
†
‡
§
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-user equipment . All of the required procedures of end-use equipment should be followed.
** ISO is a registered trademark of the International Organization of Standards.
January 15, 2014
©2012 General Electric Company. All rights reserved.
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