Preface
RECOMMENDED READING
This user ’s guide describes how to use the MCP1640 12V/50 mA Two Cells Input
Boost Converter Reference Design. Other useful documents are listed below. The
following Microchip document is available and recommended as a supplemental
reference resource.
? MCP1640/B/C/D Data Sheet – “0.65V Start-up Synchronous Boost Regulator
with True Output Disconnect or Input/Output Bypass Option” (DS22234)
THE MICROCHIP WEB SITE
Microchip provides online support via our web site at www.microchip.com . This web
site is used as a means to make files and information easily available to customers.
Accessible by using your favorite Internet browser, the web site contains the following
information:
? Product Support – Data sheets and errata, application notes and sample
programs, design resources, user’s guides and hardware support documents,
latest software releases and archived software
? General Technical Support – Frequently Asked Questions (FAQs), technical
support requests, online discussion groups, Microchip consultant program
member listing
? Business of Microchip – Product selector and ordering guides, latest Microchip
press releases, listing of seminars and events, listings of Microchip sales offices,
distributors and factory representatives
CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
?
?
?
?
Distributor or Representative
Local Sales Office
Field Application Engineer (FAE)
Technical Support
Customers should contact their distributor, representative or field application engineer
(FAE) for support. Local sales offices are also available to help customers. A listing of
sales offices and locations is included in the back of this document.
Technical support is available through the web site at:
http://www.microchip.com/support
DOCUMENT REVISION HISTORY
Revision A (September 2011)
? Initial Release of this Document.
? 2011 Microchip Technology Inc.
DS51999A-page 7
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