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LM5025A

SNVS293F – DECEMBER 2004 – REVISED AUGUST 2016

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Copyright © 2004–2016, 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.............................................................. 5

6.3

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

6.4

Thermal Information .................................................. 5

6.5

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

6.6

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........................................ 17

8

Application and Implementation ........................ 18

8.1

Application Information............................................ 18

8.2

Typical Application ................................................. 18

8.3

System Example ..................................................... 23

9

Power Supply Recommendations ...................... 23

10

Layout................................................................... 23

10.1

Layout Guidelines ................................................. 23

10.2

Layout Example .................................................... 24

10.3

Thermal Protection................................................ 24

11

Device and Documentation Support ................. 25

11.1

Documentation Support ........................................ 25

11.2

Receiving Notification of Documentation Updates 25

11.3

Community Resources.......................................... 25

11.4

Trademarks ........................................................... 25

11.5

Electrostatic Discharge Caution ............................ 25

11.6

Glossary ................................................................ 25

12

Mechanical, Packaging, and Orderable

Information ........................................................... 25

4 Revision History

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

Changes from Revision E (March 2013) to Revision F

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

•

Changed Thermal Information table ...................................................................................................................................... 5

•

Deleted the THERMAL RESISTANCE row from Electrical Characteristics .......................................................................... 8

Changes from Revision D (March 2013) to Revision E

Page

•

Changed layout of National Semiconductor Data Sheet to TI format .................................................................................. 18