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LM25119, LM25119-Q1

SNVS680H – AUGUST 2010 – REVISED MAY 2016

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Product Folder Links: LM25119

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Copyright © 2010–2016, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Pin Configuration and Functions ......................... 3

6

Specifications......................................................... 5

6.1

Absolute Maximum Ratings ...................................... 5

6.2

ESD Ratings: LM25119 ............................................ 5

6.3

ESD Ratings: LM25119-Q1 ...................................... 5

6.4

Recommended Operating Conditions ....................... 5

6.5

Thermal Information .................................................. 6

6.6

Electrical Characteristics........................................... 6

6.7

Switching Characteristics .......................................... 8

6.8

Typical Characteristics .............................................. 9

7

Detailed Description ............................................ 11

7.1

Overview ................................................................. 11

7.2

Functional Block Diagram ....................................... 12

7.3

Feature Description................................................. 13

7.4

Device Functional Modes........................................ 18

8

Application and Implementation ........................ 19

8.1

Application Information............................................ 19

8.2

Typical Application .................................................. 21

9

Power Supply Recommendations ...................... 31

10

Layout................................................................... 31

10.1

Layout Guidelines ................................................. 31

10.2

Layout Example .................................................... 32

11

Device and Documentation Support ................. 33

11.1

Related Links ........................................................ 33

11.2

Community Resources.......................................... 33

11.3

Trademarks ........................................................... 33

11.4

Electrostatic Discharge Caution ............................ 33

11.5

Glossary ................................................................ 33

12

Mechanical, Packaging, and Orderable

Information ........................................................... 33

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision G (January 2014) to Revision H

Page

•

Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation

section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and

Mechanical, Packaging, and Orderable Information section .................................................................................................. 1

Changes from Revision F (February 2013) to Revision G

Page

•

Changed LLP-32 to WQFN-32 ............................................................................................................................................. 11