LP3943_15 Datasheet, PDF (2/25 Pages) Texas Instruments – RGB, White, Blue 16-LED Fun Light Driver

LP3943
SNVS256C – NOVMEBER 2003 – REVISED OCTOBER 2015
www.ti.com
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 I²C Interface (SCL and SDA Pins) Timing
Requirements............................................................. 6
6.7 Typical Characteristic ............................................... 6
7 Detailed Description .............................................. 7
7.1 Overview ................................................................... 7
7.2 Functional Block Diagram ......................................... 7
7.3 Feature Description................................................... 8
7.4 Device Functional Modes.......................................... 8
7.5 Programming............................................................. 9
7.6 Register Maps ......................................................... 12
8 Application and Implementation ........................ 15
8.1 Application Information............................................ 15
8.2 Typical Application ................................................. 15
8.3 System Examples ................................................... 17
9 Power Supply Recommendations...................... 17
10 Layout................................................................... 18
10.1 Layout Guidelines ................................................. 18
10.2 Layout Example .................................................... 18
11 Device and Documentation Support ................. 19
11.1 Community Resources.......................................... 19
11.2 Trademarks ........................................................... 19
11.3 Electrostatic Discharge Caution ............................ 19
11.4 Glossary ................................................................ 19
12 Mechanical, Packaging, and Orderable
Information ........................................................... 19
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (September 2013) to Revision C
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 A (April 2013) to Revision B
Page
• Changed layout of National Data Sheet to TI format; fixed format of Block Diagram............................................................ 7
2
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