LM5145 datasheet(2/67 Pages) TI1

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LM5145

SNVSAI4 – JUNE 2017

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Table of Contents

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

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

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

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

Description (continued)......................................... 3

Pin Configuration and Functions ......................... 4

6.1

Wettable Flanks ........................................................ 5

Specifications......................................................... 6

7.1

Absolute Maximum Ratings ...................................... 6

7.2

ESD Ratings.............................................................. 6

7.3

Recommended Operating Conditions ....................... 7

7.4

Thermal Information .................................................. 7

7.5

Electrical Characteristics........................................... 7

7.6

Switching Characteristics ........................................ 10

7.7

Typical Characteristics ............................................ 11

Detailed Description ............................................ 16

8.1

Overview ................................................................. 16

8.2

Functional Block Diagram ....................................... 16

8.3

Feature Description................................................. 17

8.4

Device Functional Modes........................................ 25

Application and Implementation ........................ 27

9.1

Application Information............................................ 27

9.2

Typical Applications ................................................ 36

Power Supply Recommendations ..................... 52

Layout................................................................... 53

11.1

Layout Guidelines ................................................. 53

11.2

Layout Example .................................................... 56

Device and Documentation Support ................. 58

12.1

Device Support .................................................... 58

12.2

Documentation Support ........................................ 58

12.3

Related Links ........................................................ 59

12.4

Receiving Notification of Documentation Updates 59

12.5

Community Resources.......................................... 59

12.6

Trademarks ........................................................... 59

12.7

Electrostatic Discharge Caution ............................ 59

12.8

Glossary ................................................................ 59

Mechanical, Packaging, and Orderable

Information ........................................................... 59

4 Revision History

DATE

REVISION

NOTES

June 2017

Initial release

SPACER

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