© 2015 Exar Corporation

XR79110

20 / 20

exar.com/XR79110

Rev 2A

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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 herein 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 Cor-

poration is adequately protected under the circumstances.

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Ordering Information

“YY” = Year (last two digits)- “WW” = Work Week- “X” = Lot Number; when applicable

Revision History

Part Number

Package

JEDEC

Compliant

Operating Temperature

Range

Packaging Quantity

Marking

XR79110EL-F

10x10mm QFN

Yes

-40°C to +125°C

Tray

XR79110EL

YYWWF

XXXXXXXX

XR79110ELTR-F

Tape and Reel

XR79110EVB

XR79110 Evaluation Board

Revision

Date

Description

1A

December 2014

ECN 1451-08

1B

January 2015

Corrected schematic on page 1, ECN 1504-05

1C

June 2015

Added CFF/RFF to Application Circuit, updated figure 12, added writeup “maximum allowable ripple at FB pin”

and “VOUT versus frequency curves”

2A

January 2016

Changed minimum VIN to 4.5V, Added CDM rating, changed VCC(MIN)=4.3V at VIN=4.5V, added VCC

UVLO Hysteresis min=150mV across temperature, changed POD