2

LP3982

SNVS185F – FEBRUARY 2002 – REVISED APRIL 2017

www.ti.com

Product Folder Links: LP3982

Submit Documentation Feedback

Copyright © 2002–2017, 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

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

7

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

7.1

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

7.2

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

7.3

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

7.4

Device Functional Modes........................................ 10

8

Application and Implementation ........................ 11

8.1

Application Information............................................ 11

8.2

Typical Application ................................................. 11

9

Power Supply Recommendations ...................... 16

10

Layout................................................................... 17

10.1

Layout Guidelines ................................................. 17

10.2

Layout Example .................................................... 17

10.3

WSON Mounting ................................................... 17

11

Device and Documentation Support ................. 18

11.1

Documentation Support ....................................... 18

11.2

Receiving Notification of Documentation Updates 18

11.3

Community Resources.......................................... 18

11.4

Trademarks ........................................................... 18

11.5

Electrostatic Discharge Caution ............................ 18

11.6

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 E (October 2015) to Revision F

Page

•

Added links for Webench and changed top navigator icon for TI Designs ........................................................................... 1

Changes from Revision D (April 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; update Thermal Information... 1

•

Deleted lead temperature from Abs Max table (in POA); revised wording for footnote 4 ..................................................... 4

Changes from Revision C (April 2013) to Revision D

Page

•

Changed layout of National Data Sheet to TI format ............................................................................................................. 9