LM3532

SNVS653E – JULY 2011 – REVISED AUGUST 2015

www.ti.com

Table of Contents

7.4

Device Functional Modes........................................ 12

1

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

7.5

Programming........................................................... 23

2

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

7.6

Register Maps ......................................................... 24

3

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

8

Application and Implementation ........................ 34

4

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

8.1

Application Information............................................ 34

5

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

8.2

Typical Application ................................................. 34

6

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

9

Power Supply Recommendations ...................... 41

6.1

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

10

Layout................................................................... 42

6.2

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

10.1

Layout Guidelines ................................................. 42

6.3

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

10.2

Layout Examples................................................... 45

6.4

Thermal Information .................................................. 4

11

Device and Documentation Support ................. 47

6.5

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

11.1

Device Support...................................................... 47

6.6

I2C-Compatible Timing Specifications (SCL, SDA)... 6

11.2

Documentation Support ....................................... 47

6.7

Switching Characteristics .......................................... 6

11.3

Community Resources.......................................... 47

6.8

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

11.4

Trademarks ........................................................... 47

7

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

11.5

Electrostatic Discharge Caution ............................ 47

7.1

Overview ................................................................... 9

11.6

Glossary ................................................................ 47

7.2

Functional Block Diagram ......................................... 9

12

Mechanical, Packaging, and Orderable

7.3

Feature Description................................................... 9

Information ........................................................... 47

4 Revision History

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

Changes from Revision D (June 2013) to Revision E

Page

•

Added Device Information and Pin Configuration and Functions sections, ESD Ratings table, 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 C (March 2013) to Revision D

Page

•

Updated Output Configuration Register defaults: in col. 2 from "00" to "1X"; in col. 3 from "00" to "01"............................. 25

Changes from Revision B (July 2012) to Revision C

Page

•

added "IFULL_SCALE = 20.2mA, Brightness Code = 0xFF" to 2.7V ≤ VIN ≤ 5.5V in conditions for Imatch ................................. 5

•

Changed layout of National Data Sheet to TI format ........................................................................................................... 46

2

Submit Documentation Feedback

Copyright © 2011–2015, Texas Instruments Incorporated

Product Folder Links: LM3532