Table of Contents

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

2 Applications..................................................................... 1

3 Description.......................................................................1

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

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

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

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

8 Specifications.................................................................. 5

8.1 Absolute Maximum Ratings........................................ 5

8.2 ESD Ratings............................................................... 5

8.3 Recommended Operating Conditions.........................6

8.4 Thermal Information....................................................6

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

8.6 Typical Characteristics................................................ 8

9 Detailed Description...................................................... 11

9.1 Overview................................................................... 11

9.2 Functional Block Diagram......................................... 11

9.3 Feature Description...................................................11

9.4 Device Functional Modes..........................................24

10 Application and Implementation................................ 25

10.1 Application Information........................................... 25

10.2 Typical Application.................................................. 25

10.3 System Examples................................................... 30

10.4 Power Supply Recommendations...........................34

10.5 Layout..................................................................... 35

11 Device and Documentation Support..........................38

11.1 Device Support........................................................38

11.2 Documentation Support.......................................... 38

11.3 Receiving Notification of Documentation Updates.. 38

11.4 Support Resources................................................. 38

11.5 Trademarks............................................................. 38

11.6 Electrostatic Discharge Caution.............................. 39

11.7 Glossary.................................................................. 39

12 Mechanical, Packaging, and Orderable

Information.................................................................... 39

4 Revision History

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

Changes from Revision D (January 2021) to Revision E (August 2023)

Page

• Updated Figure 10-11 ...................................................................................................................................... 30

Changes from Revision C (June 2020) to Revision D (January 2021)

Page

• Updated the numbering format for tables, figures and cross-references throughout the document. ................ 1

Changes from Revision B (January 2020) to Revision C (June 2020)

Page

• Removed "TBD" from the title of Figure 9-16 .................................................................................................. 17

Changes from Revision A (January 2020) to Revision B (January 2020)

Page

• Added Functional Safety Capable to Features list............................................................................................. 1

Changes from Revision * (December 2018) to Revision A (January 2020)

Page

• Added device LM51551 to data sheet................................................................................................................1

LM5155, LM51551

SNVSB75E – DECEMBER 2018 – REVISED AUGUST 2023

www.ti.com

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