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TPS54427

SLVSB43C – NOVEMBER 2011 – REVISED FEBRUARY 2016

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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 ....................... 4

6.4

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

6.5

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

6.6

Typical Characteristics .............................................. 6

7

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

7.1

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

7.2

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

7.3

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

7.4

Device Functional Modes........................................ 10

8

Application and Implementation ........................ 11

8.1

Application Information............................................ 11

8.2

Typical Application ................................................. 11

9

Power Supply Recommendations ...................... 15

10

Layout................................................................... 15

10.1

Layout Guidelines ................................................. 15

10.2

Layout Examples................................................... 16

10.3

Thermal Considerations ........................................ 17

11

Device and Documentation Support ................. 19

11.1

Device Support...................................................... 19

11.2

Documentation Support ....................................... 19

11.3

Community Resources.......................................... 19

11.4

Trademarks ........................................................... 19

11.5

Electrostatic Discharge Caution ............................ 19

11.6

Glossary ................................................................ 19

12

Mechanical, Packaging, and Orderable

Information ........................................................... 19

4 Revision History

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

Changes from Revision B (October 2015) to Revision C

Page

•

Deleted (SWIFT™) from the data sheet title ......................................................................................................................... 1

Changes from Revision A (June 2013) to Revision B

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

•

Added the DRC-10 Pin package pin out ................................................................................................................................ 3

Changes from Original (November 2011) to Revision A

Page

•

Added "and 10-pin DRC" to the DESCRIPTION .................................................................................................................... 1

•

Added the DRC-10 pin Package to the ORDERING INFORMATION table........................................................................... 1

•

Changed the VBST(vs SW) MAX value From: 5.7V to 6V in the ROC table......................................................................... 4

•

•

Added High side switch resistance (DRC) ............................................................................................................................. 5

•

Changed Figure 9 ................................................................................................................................................................... 7

•

Added Figure 9 ....................................................................................................................................................................... 7

•

Added Figure 23 ................................................................................................................................................................... 17