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XRP6658 Datasheet, PDF (11/11 Pages) Exar Corporation – 1A 1.5MHz PFM/PWM Synchronous Step-Down Converter
XRP6658
1A 1.5MHz PFM/PWM Synchronous Step-Down Converter
REVISION HISTORY
Revision
1.0.0
1.1.0
1.2.0
1.3.0
1.4.0
1.5.0
Date
09/16/2010
09/30/2010
11/15/2010
01/14/2011
07/19/2011
0/15/2011
Description
Initial release of datasheet
Corrected pin-out on schematics Figures 1, 23 and 24
Corrected ∆
equation: changed
to
. Updated ‘Output Voltage selection’ section.
Added specific test conditions and data in Electrical Specification Table for output voltage
accuracy, reference voltage Line regulation and output voltage line regulation for operations
below 3V.
Corrected typographical errors on package specification table parameters “b” and “e”
Added a range for the selection of lower feedback resistor.
FOR FURTHER ASSISTANCE
Email:
Exar Technical Documentation:
customersupport@exar.com
http://www.exar.com/TechDoc/default.aspx?
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Tel.: +1 (510) 668-7000
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NOTICE
EXAR Corporation reserves the right to make changes to the products contained in this publication in order to improve
design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any circuits described herein,
conveys no license under any patent or other right, and makes no representation that the circuits are free of patent
infringement. Charts and schedules contained here in are only for illustration purposes and may vary depending upon a
user’s specific application. While the information in this publication has been carefully checked; no responsibility, however,
is assumed for inaccuracies.
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© 2011 Exar Corporation
11/11
Rev. 1.5.0