2

LM3554

SNVS549C – JUNE 2009 – REVISED FEBRUARY 2016

www.ti.com

Product Folder Links: LM3554

Submit Documentation Feedback

Copyright © 2009–2016, 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

Timing Requirements ................................................ 6

6.7

Typical Characteristics .............................................. 7

7

Detailed Description ............................................ 12

7.1

Overview ................................................................. 12

7.2

Functional Block Diagram ....................................... 13

7.3

Feature Description................................................. 13

7.4

Device Functional Modes........................................ 21

7.5

Programming........................................................... 22

7.6

Register Maps ......................................................... 23

8

Application and Implementation ........................ 29

8.1

Application Information............................................ 29

8.2

Typical Application ................................................. 29

9

Power Supply Recommendations ...................... 39

10

Layout................................................................... 40

10.1

Layout Guidelines ................................................. 40

10.2

Layout Example .................................................... 40

11

Device and Documentation Support ................. 41

11.1

Device Support .................................................... 41

11.2

Documentation Support ........................................ 41

11.3

Community Resources.......................................... 41

11.4

Trademarks ........................................................... 41

11.5

Electrostatic Discharge Caution ............................ 41

11.6

Glossary ................................................................ 41

12

Mechanical, Packaging, and Orderable

Information ........................................................... 41

4 Revision History

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

Changes from Revision B (May 2013) to Revision C

Page

•

Added Device Information and Pin Configuration and Functions sections, ESD Ratings and Thermal Information

tables, Feature Description, Device Functional Modes, Application and Implementation, Power Supply

Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging, and Orderable

Information sections................................................................................................................................................................ 1

Changes from Revision A (May 2013) to Revision B

Page

•

Changed layout of National Data Sheet to TI format ........................................................................................................... 40