LM3492, LM3492-Q1
SNVS656D – SEPTEMBER 2010 – REVISED OCTOBER 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Description (continued)......................................... 3
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Recommended Operating Conditions....................... 5
7.4 Thermal Information .................................................. 5
7.5 Electrical Characteristics........................................... 6
7.6 Typical Characteristics .............................................. 8
8 Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Block Diagram ....................................... 12
8.3 Feature Description................................................. 12
8.4 Device Functional Modes........................................ 18
8.5 Programming........................................................... 18
9 Application and Implementation ........................ 20
9.1 Application Information............................................ 20
9.2 Typical Application ................................................. 20
10 Power Supply Recommendations ..................... 23
11 Layout................................................................... 23
11.1 Layout Guidelines ................................................. 23
11.2 Layout Example .................................................... 23
12 Device and Documentation Support ................. 24
12.1 Documentation Support ........................................ 24
12.2 Related Links ........................................................ 24
12.3 Receiving Notification of Documentation Updates 24
12.4 Community Resources.......................................... 24
12.5 Trademarks ........................................................... 24
12.6 Electrostatic Discharge Caution ............................ 24
12.7 Glossary ................................................................ 24
13 Mechanical, Packaging, and Orderable
Information ........................................................... 25
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (May 2013) to Revision D
Page
• Added Added ESD Ratings table, Thermal Information table, Feature Description section, Device Functional Modes,
Application and Implementation section, Power Supply Recommendations section, Layout section, Device and
Documentation Support section, and Mechanical, Packaging, and Orderable Information section....................................... 1
• Changed RθJA value from 32.7 to 36.5 in the Thermal Information table ............................................................................... 5
Changes from Revision B (May 2013) to Revision C
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 20
2 Submit Documentation Feedback
Copyright © 2010–2016, Texas Instruments Incorporated
Product Folder Links: LM3492 LM3492-Q1