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LM2743

SNVS276I – APRIL 2004 – REVISED FEBRUARY 2019

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Product Folder Links: LM2743

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Copyright © 2004–2019, 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 .............................................. 7

7

Detailed Description ............................................ 10

7.1

Overview ................................................................. 10

7.2

Functional Block Diagram ....................................... 10

7.3

Feature Description................................................. 10

7.4

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

8

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

8.1

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

8.2

Typical Applications ................................................ 19

9

Power Supply Recommendations ...................... 33

10

Layout................................................................... 33

10.1

Layout Guidelines ................................................. 33

10.2

Layout Example .................................................... 33

11

Device and Documentation Support ................. 34

11.1

Device Support .................................................... 34

11.2

Receiving Notification of Documentation Updates 34

11.3

Community Resources.......................................... 34

11.4

Trademarks ........................................................... 34

11.5

Electrostatic Discharge Caution ............................ 34

11.6

Glossary ................................................................ 34

12

Mechanical, Packaging, and Orderable

Information ........................................................... 35

4 Revision History

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

Changes from Revision H (October 2015) to Revision I

Page

•

Editorial updates; add links for WEBENCH; no technical changes ....................................................................................... 1

Changes from Revision G (March 2013) 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 (March 2013) to Revision G

Page

•

Changed layout of National Data Sheet to TI format ........................................................................................................... 32