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LM5008A

SNVS583H – MARCH 2009 – REVISED OCTOBER 2018

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Product Folder Links: LM5008A

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Copyright © 2009–2018, 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

Switching Characteristics .......................................... 6

6.7

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

7

Detailed Description .............................................. 8

7.1

Overview ................................................................... 8

7.2

Functional Block Diagram ......................................... 8

7.3

Feature Description................................................... 8

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 ...................... 18

10

Layout................................................................... 19

10.1

Layout Guidelines ................................................. 19

10.2

Layout Example .................................................... 19

11

Device and Documentation Support ................. 20

11.1

Device Support .................................................... 20

11.2

Documentation Support ........................................ 20

11.3

Receiving Notification of Documentation Updates 21

11.4

Community Resources.......................................... 21

11.5

Trademarks ........................................................... 21

11.6

Electrostatic Discharge Caution ............................ 21

11.7

Glossary ................................................................ 21

12

Mechanical, Packaging, and Orderable

Information ........................................................... 21

4 Revision History

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

Changes from Revision G (December 2016) to Revision H

Page

•

Added links for WEBENCH ................................................................................................................................................... 1

•

Changed VSSOP-8 body size to 3 mm × 3 mm in Device Information.................................................................................. 1

Changes from Revision F (March 2013) to Revision G

Page

•

Added ESD Ratings table, 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 .................................................................................................. 1

•

Deleted Lead temperature (260°C maximum)........................................................................................................................ 4

•

Changed RθJA value From: 200°C/W To: 139.7°C/W (VSSOP) and From: 40°C/W To: 42°C/W (WSON)............................ 4

Changes from Revision E (March 2013) to Revision F

Page

•

Changed layout of National Data Sheet to TI format ........................................................................................................... 17