Data Sheet
June 27, 2012
EBVW025A0B Series Power Modules; DC-DC Converters
36-75Vdc Input; 12Vdc Output; 25A Output Current
Features
BARRACUDA SERIES™
.
Compliant to RoHS EU Directive 2002/95/EC (-Z
versions)
.
.
Compatible with reflow pin/paste soldering process
High and flat efficiency profile – 95.2% at 12Vdc, 40%
load to 80% output
.
.
.
.
.
.
Wide Input voltage range: 36-75Vdc
Delivers up to 25Adc output current
Output Voltage adjust: 6.0Vdc to 13.2Vdc
Tightly regulated output voltage
Low output ripple and noise
No reverse current during prebias start-up or shut-
down
.
Industry standard, DOSA compliant, Eight brick:
58.4 mm x 22.8 mm x 11.3 mm
(2.30 in x 0.90 in x 0.44 in)
RoHS Compliant
.
.
.
.
.
.
Constant switching frequency
Applications
Positive Remote On/Off logic
.
.
.
.
Distributed power architectures
Intermediate bus voltage applications
Servers and storage applications
Output over current/voltage protection
Over temperature protection
Wide operating temperature range (-40°C to 85°C)
UL* 60950-1, 2nd Ed. Recognized, CSA† C22.2 No.
60950-1-07 Certified, and VDE‡ (EN60950-1, 2nd
Ed.) Licensed
Networking equipment including Power over
Ethernet (PoE)
.
Fan assemblies other systems requiring a tightly
regulated output voltage
.
.
CE mark 2006/96/EC directives§
Meets the voltage and current requirements for ETSI
300-132-2 and complies with and licensed for Basic
insulation rating per EN60950-1
Options
.
.
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Negative Remote On/Off logic (1=option code,
factory preferred)
.
.
2250 Vdc Isolation tested in compliance with IEEE
802.3¤ PoE standards
Auto-restart after fault shutdown (4=option code,
factory preferred)
ISO** 9001 and ISO14001 certified manufacturing
facilities
Remote Sense and Output Voltage Trim (9=option
code)
.
.
Base plate option (-H=option code)
Passive Droop Load Sharing (-P=option code)
Description
The EBVW025A0B series of dc-dc converters are a new generation of DC/DC power modules designed to support
9.6 -12Vdc 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 EBVW025A0B series
operate from an input voltage range of 36 to 75Vdc, and provide up to 25A output current at output voltages from
6.0Vdc to 12.0Vdc, and 300W output power from output voltages of 12.1Vdc to 13.2Vdc in a DOSA standard eighth
brick. The converter incorporates digital control, synchronous rectification technology, and innovative packaging
techniques to achieve efficiency reaching 95.4% peak at 12Vdc 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. Optional features include
output voltage remote sense and trim from 6.0Vdc to 13.2Vdc, passive droop paralleling, and base plate for heat sink
or cold wall applications.
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.
Document No: DS11-025 ver 1.1
PDF Name: EBVW025A0B.pdf
*
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.
IEEE and 802 are registered trademarks of the Institute of Electrical and Electronics Engineers, Incorporated.
†
‡
§
¤
** ISO is a registered trademark of the International Organization of Standards.
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