TPS543B20RVFT datasheet(2/33 Pages) TI1

Part #	TPS543B20RVFT

Description	4 Vin to 19 Vin, 25-A Stackable, Synchronous Step-down SWIFT Converter with Adaptive Internal Compensation

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Manufacturer	TI1 [Texas Instruments]

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TPS543B20

SLUSCR1 – MAY 2017

www.ti.com

Product Folder Links: TPS543B20

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

7.1

Absolute Maximum Ratings ...................................... 5

7.2

ESD Ratings ............................................................ 5

7.3

Recommended Operating Conditions ....................... 5

7.4

Thermal Information ................................................. 6

7.5

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

7.6

Typical Characteristics ............................................ 10

8

Detailed Description ............................................ 12

8.1

Overview ................................................................. 12

8.2

Functional Block Diagram ....................................... 12

8.3

Feature Description................................................. 13

8.4

Device Functional Modes........................................ 13

9

Application and Implementation ........................ 20

9.1

Application Information............................................ 20

9.2

Typical Applications ................................................ 20

10

Power Supply Recommendations ..................... 24

11

Layout................................................................... 25

11.1

Layout Guidelines ................................................. 25

11.2

Layout Example .................................................... 26

11.3

Package Size, Efficiency and Thermal

Performance............................................................. 27

12

Device and Documentation Support ................. 29

12.1

Device Support...................................................... 29

12.2

Receiving Notification of Documentation Updates 29

12.3

Community Resources.......................................... 29

12.4

Trademarks ........................................................... 29

12.5

Electrostatic Discharge Caution ............................ 29

12.6

Glossary ................................................................ 30

13

Mechanical, Packaging, and Orderable

Information ........................................................... 30

4 Revision History

DATE

REVISION

NOTES

May 2017

*

Initial release.

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