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© 2012 Exar Corporation

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Rev. 1.2.2

REVISION HISTORY

Revision

Date

Description

1.0.2

02/01/2010

Approved and first release of data sheet

1.0.3

02/02/2010

Minor edits

1.2.0

04/14/2010

Combined XRP7708 Rev 1.0.3 and XRP7740 Rev 1.1.0 into one document. Added I2C

information. Added enable pin sequencing information. Updated gate drive resistance

information. Corrected package thermal resistance. Added part to order information

table

1.2.1

12/5/2011

Added information on soft-start flag. Added new ANP-35 reference and ANP-31

reference. Changed logo color. More emphasis on the connection of PGND pins.

1.2.2

04/20/2012

Corrected typographical errors.

First page, change exposed pad designation from DGND to AGND.

Pin description table; GL1 corrected from pin “34” to “35”, LX3 and LX4 corrected from

pins “23,18” to “18,23”

FOR FURTHER ASSISTANCE

Email:

powerxr@exar.com

Exar Technical Documentation:

http://powerxr.exar.com

http://www.exar.com/TechDoc/default.aspx?

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.

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