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TPS54228

SLVSAU1E – MAY 2011 – REVISED AUGUST 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 ...................... 14

10

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

10.1

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

10.2

Layout Examples................................................... 15

10.3

Thermal Considerations ........................................ 16

11

Device and Documentation Support ................. 17

11.1

Documentation Support ........................................ 17

11.2

Receiving Notification of Documentation Updates 17

11.3

Community Resources.......................................... 17

11.4

Trademarks ........................................................... 17

11.5

Electrostatic Discharge Caution ............................ 17

11.6

Glossary ................................................................ 17

12

Mechanical, Packaging, and Orderable

Information ........................................................... 17

4 Revision History

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

Changes from Revision D (January 2013) to Revision E

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 Ordering Information table, see POA at the end of the data sheet........................................................................... 3

Changes from Revision C (March 2012) to Revision D

Page

•

Added the 10-pin DRC package to the data sheet ................................................................................................................ 1

•

Added the DRC package to the Device Information section .................................................................................................. 3

•

Added Figure 20 ................................................................................................................................................................... 16

Changes from Revision B (December 2011) to Revision C

Page

•

Removed SWIFT™ from the data sheet title.......................................................................................................................... 1

Changes from Revision A (October 2011) to Revision B

Page

•

Added the 8-pin D package to the data sheet ....................................................................................................................... 1

Changes from Original (May 2011) to Revision A

Page

•

CHARACTERISTICS table ..................................................................................................................................................... 5