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XRP6658 Datasheet(PDF) 11 Page - Exar Corporation

Part # XRP6658
Description  1A 1.5MHz PFM/PWM Synchronous Step-Down Converter
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRP6658 Datasheet(HTML) 11 Page - Exar Corporation

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© 2011 Exar Corporation
11/11
Rev. 1.5.0
REVISION HISTORY
Revision
Date
Description
1.0.0
09/16/2010
Initial release of datasheet
1.1.0
09/30/2010
Corrected pin-out on schematics Figures 1, 23 and 24
1.2.0
11/15/2010
Corrected
equation: changed
to
. Updated ‘Output Voltage selection’ section.
1.3.0
01/14/2011
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.
1.4.0
07/19/2011
Corrected typographical errors on package specification table parameters “b” and “e”
1.5.0
0/15/2011
Added a range for the selection of lower feedback resistor.
FOR FURTHER ASSISTANCE
Email:
customersupport@exar.com
Exar Technical Documentation:
http://www.exar.com/TechDoc/default.aspx?
EXAR CORPORATION
HEADQUARTERS AND SALES OFFICES
48720 Kato Road
Fremont, CA 94538 – USA
Tel.: +1 (510) 668-7000
Fax: +1 (510) 668-7030
www.exar.com
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.
EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or
malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its
safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation receives, in
writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized; (b) the user assumes all
such risks; (c) potential liability of EXAR Corporation is adequately protected under the circumstances.
Reproduction, in part or whole, without the prior written consent of EXAR Corporation is prohibited.


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