LP3992

SNVS192C – OCTOBER 2002 – REVISED NOVEMBER 2015

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Table of Contents

8.2

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

1

Features .................................................................. 1

8.3

Feature Description................................................. 11

2

Applications ........................................................... 1

8.4

Device Functional Modes........................................ 11

3

Description ............................................................. 1

9

Application And Implementation........................ 12

4

Revision History..................................................... 2

9.1

Application Information .......................................... 12

5

Pin Configuration and Functions ......................... 3

9.2

Typical Application .................................................. 12

6

Specifications......................................................... 4

10

Power Supply Recommendations ..................... 15

6.1

Absolute Maximum Ratings ...................................... 4

11

Layout................................................................... 15

6.2

ESD Ratings ............................................................ 4

11.1

Layout Guidelines ................................................. 15

6.3

Recommended Operating Conditions ....................... 4

11.2

Layout Example .................................................... 15

6.4

Thermal Information .................................................. 4

12

Device and Documentation Support ................. 16

6.5

Electrical Characteristics........................................... 5

12.1

Documentation Support ........................................ 16

6.6

Timing Requirements ................................................ 5

12.2

Community Resources.......................................... 16

6.7

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

12.3

Trademarks ........................................................... 16

7

Parameter Measurement Information .................. 9

12.4

Electrostatic Discharge Caution ............................ 16

7.1

Input Test Signals ..................................................... 9

12.5

Glossary ................................................................ 16

8

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

13

Mechanical, Packaging, and Orderable

8.1

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

Information ........................................................... 16

4 Revision History

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

Changes from Revision B (February 2013) to Revision C

Page

•

Added Device Information and Pin Configuration and Functions sections, ESD Ratings and Thermal Information

tables, Feature Description, Device Functional Modes, Application and Implementation, Power Supply

Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging, and Orderable

Information sections; update pin names from Vin to IN; Vout to OUT; Cout to CAP and SD to EN ..................................... 1

•

Deleted lead temperature from Abs Max table - it is in POA ................................................................................................. 4

•

Added updated thermal information ....................................................................................................................................... 4

Changes from Revision A (May 2004) to Revision B

Page

•

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

2

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