TPS54424 datasheet(2/40 Pages) TI1

Part #	TPS54424

Description	4.5-V to 17-V Input, 4-A Synchronous SWIFT Step-Down Converter with Current Mode Control

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Manufacturer	TI1 [Texas Instruments]

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TPS54424

SLVSDV8 – JULY 2017

www.ti.com

Product Folder Links: TPS54424

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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 ....................... 5

6.4

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

6.5

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

6.6

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

6.7

Timing Requirements ................................................ 7

6.8

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

7

Detailed Description ............................................ 13

7.1

Overview ................................................................. 13

7.2

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

7.3

Feature Description................................................. 14

7.4

Device Functional Modes........................................ 22

8

Application and Implementation ........................ 23

8.1

Application Information............................................ 23

8.2

Typical Application ................................................. 23

9

Power Supply Recommendations ...................... 32

10

Layout................................................................... 32

10.1

Layout Guidelines ................................................. 32

10.2

Layout Example .................................................... 32

10.3

Alternate Layout Example ..................................... 34

11

Device and Documentation Support ................. 35

11.1

Document Support ................................................ 35

11.2

Receiving Notification of Documentation Updates 35

11.3

Community Resources.......................................... 35

11.4

Trademarks ........................................................... 35

11.5

Electrostatic Discharge Caution ............................ 35

11.6

Glossary ................................................................ 35

12

Mechanical, Packaging, and Orderable

Information ........................................................... 35

4 Revision History

DATE

REVISION

NOTES

July 2017

*

Initial release.

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