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LM46002-Q1, LM46002A-Q1

SNVSAA2B – JULY 2015 – REVISED JULY 2017

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Product Folder Links: LM46002-Q1 LM46002A-Q1

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Copyright © 2015–2017, 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 .................................................. 5

6.5

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

6.6

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

6.7

Switching Characteristics .......................................... 7

6.8

Typical Characteristics .............................................. 8

7

Detailed Description ............................................ 14

7.1

Overview ................................................................. 14

7.2

Functional Block Diagram ....................................... 14

7.3

Feature Description................................................. 15

7.4

Device Functional Modes........................................ 23

8

Applications and Implementation ...................... 24

8.1

Application Information............................................ 24

8.2

Typical Applications ................................................ 24

9

Power Supply Recommendations ...................... 40

10

Layout................................................................... 40

10.1

Layout Guidelines ................................................. 40

10.2

Layout Example .................................................... 43

11

Device and Documentation Support ................. 44

11.1

Device Support .................................................... 44

11.2

Receiving Notification of Documentation Updates 44

11.3

Community Resources.......................................... 44

11.4

Trademarks ........................................................... 44

11.5

Electrostatic Discharge Caution ............................ 44

11.6

Glossary ................................................................ 44

12

Mechanical, Packaging, and Orderable

Information ........................................................... 45

4 Revision History

Changes from Revision A (August 2015) to Revision B

Page

•

Editorial changes to meet writing/editing standards .............................................................................................................. 1

•

Added LM46002A-Q1 version information throughout data sheet ......................................................................................... 1

•

Added WEBENCH

•

Added maximum operating junction temperature................................................................................................................... 4

•

Added standard note 1 to Thermal Information table ............................................................................................................ 5

•

•

Updating RPGOOD value on EN = 3.3 V and EN = 0 V ........................................................................................................ 6

•

Updating Equation 16 ........................................................................................................................................................... 27

Changes from Original (July 2015) to Revision A

Page

•

Changed from Preview to Production Data ............................................................................................................................ 1