LM3556_15 Datasheet, PDF (2/39 Pages) Texas Instruments – Synchronous Boost LED Flash Driver With High-Side Current Source

LM3556
SNVS796D – AUGUST 2011 – REVISED OCTOBER 2015
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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........................................ 15
7.5 Programming........................................................... 17
7.6 Register Maps ......................................................... 19
8 Application and Implementation ........................ 27
8.1 Application Information............................................ 27
8.2 Typical Application ................................................. 27
9 Power Supply Recommendations...................... 29
10 Layout................................................................... 30
10.1 Layout Guidelines ................................................. 30
10.2 Layout Example .................................................... 31
11 Device And Documentation Support................. 32
11.1 Device Support .................................................... 32
11.2 Documentation Support ........................................ 32
11.3 Community Resources.......................................... 32
11.4 Trademarks ........................................................... 32
11.5 Electrostatic Discharge Caution ............................ 32
11.6 Glossary ................................................................ 32
12 Mechanical, Packaging, And Orderable
Information ........................................................... 33
4 Revision History
Changes from Revision C (April 2013) to Revision D
Page
• Added Device Information and Pin Configuration and Functions sections, ESD Rating 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
2
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