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LM397

SNOS977F – MAY 2001 – REVISED MAY 2016

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Copyright © 2001–2016, 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......................................................... 4

6.1

Absolute Maximum Ratings ...................................... 4

6.2

ESD Ratings.............................................................. 4

6.3

Recommended Operating Conditions ....................... 4

6.4

Thermal Information .................................................. 4

6.5

Electrical Characteristics........................................... 5

6.6

Typical Characteristics .............................................. 6

7

Detailed Description .............................................. 7

7.1

Overview ................................................................... 7

7.2

Functional Block Diagram ......................................... 7

7.3

Feature Description................................................... 7

7.4

Device Functional Modes.......................................... 8

8

Application and Implementation .......................... 9

8.1

Application Information.............................................. 9

8.2

Typical Application ................................................... 9

9

Power Supply Recommendations ...................... 11

10

Layout................................................................... 11

10.1

Layout Guidelines ................................................. 11

10.2

Layout Example .................................................... 11

11

Device and Documentation Support ................. 12

11.1

Community Resources.......................................... 12

11.2

Trademarks ........................................................... 12

11.3

Electrostatic Discharge Caution ............................ 12

11.4

Glossary ................................................................ 12

12

Mechanical, Packaging, and Orderable

Information ........................................................... 12

4 Revision History

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

Changes from Revision E (October 2015) to Revision F

Page

•

Changed incorrect Pin Functions table entries. Pins 4 and 5 were swapped. ....................................................................... 3

Changes from Revision D (March 2013) to Revision E

Page

•

Added ESD Rating 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 C (March 2013) to Revision D

Page

•

Changed layout of National Data Sheet to TI format ............................................................................................................. 8