TPS54540-Q1

SLVSC56B – SEPTEMBER 2013 – REVISED NOVEMBER 2015

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Table of Contents

7.4

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

1

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

8

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

2

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

8.1

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

3

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

8.2

Typical Applications ................................................ 23

4

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

9

Power Supply Recommendations ...................... 36

5

Pin Configuration and Functions ......................... 3

10

Layout................................................................... 37

6

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

10.1

Layout Guidelines ................................................. 37

6.1

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

10.2

Layout Example .................................................... 37

6.2

ESD Ratings.............................................................. 4

10.3

Estimated Circuit Area .......................................... 37

6.3

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

11

Device and Documentation Support ................. 38

6.4

Thermal Information .................................................. 4

11.1

Device Support...................................................... 38

6.5

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

11.2

Documentation Support ........................................ 38

6.6

Timing Requirements ................................................ 5

11.3

Community Resources.......................................... 38

6.7

Switching Characteristics .......................................... 6

11.4

Trademarks ........................................................... 38

6.8

Typical Characteristics .............................................. 7

11.5

Electrostatic Discharge Caution ............................ 38

7

Detailed Description ............................................ 11

11.6

Glossary ................................................................ 38

7.1

Overview ................................................................. 11

12

Mechanical, Packaging, and Orderable

7.2

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

Information ........................................................... 39

7.3

Feature Description................................................. 12

4 Revision History

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

Changes from Revision A (October 2013) to Revision B

Page

•

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

•

Changed Thermal Information table values............................................................................................................................ 4

Changes from Original (September 2013) to Revision A

Page

•

Changed the Electrostatic Discharge (CDM) Max value From: 500 V To: 750 V .................................................................. 4

•

•

Changed Figure 4 X-axis From: max = 60V To: max = 45V .................................................................................................. 7

•

Changed Figure 16 X-axis From: max = 60V To: max = 45V ................................................................................................ 8

•

Changed Figure 18 X-axis From: max = 60V To: max = 45V ................................................................................................ 8

•

Changed the FBD, removed the Logic block and Shutdown signal from the OV comparator ............................................. 12

•

Changed the APPLICATION INFORMATION section.......................................................................................................... 23

2

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