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LM2840-Q1, LM2841-Q1, LM2842-Q1

SNVSBE5 – APRIL 2019

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Product Folder Links: LM2840-Q1 LM2841-Q1 LM2842-Q1

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Copyright © 2019, 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 Applications ................................................ 11

9

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

10

Layout................................................................... 16

10.1

Layout Guidelines ................................................. 16

10.2

Layout Example .................................................... 16

11

Device and Documentation Support ................. 17

11.1

Device Support...................................................... 17

11.2

Documentation Support ........................................ 17

11.3

Related Links ........................................................ 17

11.4

Receiving Notification of Documentation Updates 17

11.5

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

11.6

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

11.7

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

11.8

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.

DATE

REVISION

NOTES

April 2019

*

Split out LM284x-Q1 from the combined

datasheet SNVS540 commercial and

automotive document started March 2009.

This document SNVSBE5 details the

automotive LM284x-Q1. Made editorial

changes; no technical changes