LP3981

SNVS159H – OCTOBER 2001 – REVISED JULY 2015

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Table of Contents

8.2

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

1

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

8.3

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

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

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

6.6

Timing Requirements ................................................ 6

12.2

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

6.7

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

12.3

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

7

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

12.4

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 G (May 2013) to Revision H

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

•

Update pin names to TI nomenclature .................................................................................................................................. 1

•

Deleted Ordering Information table - duplicative of POA ....................................................................................................... 1

•

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

•

Deleted rows for max power dissipation - info in Power Dissipation and Device Operation ................................................. 4

•

Deleted rows for max power dissipation - info in Power Dissipation and Device Operation ................................................. 4

•

Added 2 new paragraphs to Power Dissipation and Device Operation subsection. ............................................................ 13

Changes from Revision F (May 2013) to Revision G

Page

•

Changed layout of National Data Sheet to TI format ........................................................................................................... 10

2

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