LM3668

SNVS449O – JUNE 2007 – REVISED APRIL 2015

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Table of Contents

8.3

Feature Description................................................. 14

1

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

8.4

Device Functional Modes........................................ 16

2

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

9

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

3

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

9.1

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

4

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

9.2

Typical Application .................................................. 19

5

Device Comparison Table..................................... 3

10

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

6

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

11

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

7

Specifications......................................................... 4

11.1

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

7.1

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

11.2

Layout Example .................................................... 23

7.2

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

12

Device and Documentation Support ................. 24

7.3

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

12.1

Device Support...................................................... 24

7.4

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

12.2

Trademarks ........................................................... 24

7.5

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

12.3

Electrostatic Discharge Caution ............................ 24

7.6

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

12.4

Glossary ................................................................ 24

8

Detailed Description ............................................ 13

13

Mechanical, Packaging, and Orderable

8.1

Overview ................................................................. 13

Information ........................................................... 24

8.2

Functional Block Diagram ....................................... 14

4 Revision History

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

Changes from Revision N (August 2014) to Revision O

Page

•

Changes from Revision M (May 2013) to Revision N

Page

•

Added Pin Configuration and Functions section, Handling 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 L (April 2013) to Revision M

Page

•

Changed layout of National Data Sheet to TI format ........................................................................................................... 23

2

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