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LP2983

SNVS170D – OCTOBER 2001 – REVISED APRIL 2016

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Copyright © 2001–2016, 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 .............................................. 6

7

Detailed Description ............................................ 10

7.1

Overview ................................................................. 10

7.2

Functional Block Diagram ....................................... 10

7.3

Feature Description................................................. 10

7.4

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

8

Application and Implementation ........................ 13

8.1

Application Information............................................ 13

8.2

Typical Application ................................................. 13

9

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

10

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

10.1

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

10.2

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

11

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

11.1

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

11.2

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

11.3

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

11.4

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

11.5

Glossary ................................................................ 18

12

Mechanical, Packaging, and Orderable

Information ........................................................... 18

4 Revision History

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

Changes from Revision C (April 2013) to Revision D

Page

•

Added Pin Configuration and Functions section, ESD Ratings table and Thermal Information table with update

thermal values, 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; change pin names VOUT and VIN to OUT and IN ................... 1

•

Changed footnote 3 to Abs Max to replace out-of-date thetaJA temperature with general information ................................ 4

•

Added Thermal Information table .......................................................................................................................................... 4

Changes from Revision B (April 2013) to Revision C

Page

•

Changed layout of National Data Sheet to TI format ........................................................................................................... 11