TPS54528

SLVSAY4C – JULY 2011 – REVISED MARCH 2014

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Table of Contents

8.3

Feature Description................................................... 9

1

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

8.4

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

2

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

9

Applications and Implementation ...................... 12

3

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

9.1

Application Information............................................ 12

4

Simplified Schematic............................................. 1

9.2

Typical Application ................................................. 12

5

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

10

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

6

Terminal Configuration and Functions................ 3

11

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

7

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

11.1

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

7.1

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

11.2

Layout Example .................................................... 16

7.2

Handling Ratings....................................................... 4

11.3

Thermal Information .............................................. 17

7.3

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

12

Device and Documentation Support ................. 18

7.4

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

12.1

Documentation Support ........................................ 18

7.5

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

12.2

Trademarks ........................................................... 18

7.6

Timing Requirements - On-Time Timer Control........ 6

12.3

Electrostatic Discharge Caution ............................ 18

7.7

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

12.4

Glossary ................................................................ 18

8

Detailed Description .............................................. 9

13

Mechanical, Packaging, and Orderable

8.1

Overview ................................................................... 9

Information ........................................................... 18

8.2

Functional Block Diagram ......................................... 9

5 Revision History

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

Changes from Revision B (May 2012) to Revision C

Page

•

Formatted data sheet to meet new template requirements ................................................................................................... 1

•

Added Table of Contents, and moved Revision History to page 2. ...................................................................................... 3

•

Moved ABS Max, Handling Ratings, ROC, Thermal Info, and Electrical Characteristics tables to the new

"Specifications" section. ......................................................................................................................................................... 4

•

Added Maximum Power Dissipation graph............................................................................................................................. 8

•

Added "Power Supply Recommendations" section ............................................................................................................. 15

•

Added "Device and Documentation Support" section ......................................................................................................... 18

Changes from Revision A (January 2012) to Revision B

Page

•

Changes from Original (July 2011) to Revision A

Page

•

Added CONDITIONS statement at the Typical Characteristics section heading ................................................................... 6

•

Changed 2-µA to 6µA in Soft Start and Pre-Biased Soft Start subsection and denominator in equation 2....................... 9

2

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