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LM3409, LM3409-Q1, LM3409HV, LM3409HV-Q1

SNVS602L – MARCH 2009 – REVISED JUNE 2016

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Product Folder Links: LM3409 LM3409-Q1 LM3409HV LM3409HV-Q1

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Copyright © 2009–2016, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Device Comparison Table..................................... 3

6

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

7

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

7.1

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

7.2

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

7.3

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

7.4

Thermal Information .................................................. 5

7.5

Electrical Characteristics........................................... 6

7.6

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

8

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

8.1

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

8.2

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

8.3

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

8.4

Device Functional Modes........................................ 18

9

Application and Implementation ........................ 19

9.1

Application Information............................................ 19

9.2

Typical Applications ................................................ 23

10

Power Supply Recommendations ..................... 37

11

Layout................................................................... 37

11.1

Layout Guidelines ................................................. 37

11.2

Layout Example .................................................... 37

12

Device and Documentation Support ................. 38

12.1

Device Support...................................................... 38

12.2

Related Links ........................................................ 38

12.3

Community Resources.......................................... 38

12.4

Trademarks ........................................................... 38

12.5

Electrostatic Discharge Caution ............................ 38

12.6

Glossary ................................................................ 38

13

Mechanical, Packaging, and Orderable

Information ........................................................... 38

4 Revision History

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

Changes from Revision K (July 2014) to Revision L

Page

•

Corrected package family reference in Features section ....................................................................................................... 1

•

Corrected package family reference in Device Information table........................................................................................... 1

•

Added Device Comparison table ............................................................................................................................................ 3

•

Corrected typographical error in package name reference in Pin Configuration and Functions section ............................... 3

•

Corrected typographical error in Absolute Maximum Ratings table ....................................................................................... 4

•

Corrected typographical error in package name reference in ESD Ratings table ................................................................. 4

•

Corrected package family reference in Thermal Information table......................................................................................... 5

Changes from Revision J (May 2013) to Revision K

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

Changes from Revision I (May 2013) to Revision J

Page

•

Changed layout of National Data Sheet to TI format ............................................................................................................ 1