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TPS56C20, TPS56920, TPS56720, TPS56520

SLVSCB6D – NOVEMBER 2013 – REVISED FEBRUARY 2016

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Product Folder Links: TPS56C20 TPS56920 TPS56720 TPS56520

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Copyright © 2013–2016, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Description (Continued) ........................................ 3

6

Pin Configuration and Functions ......................... 4

7

Specifications......................................................... 6

7.1

Absolute Maximum Ratings ...................................... 6

7.2

ESD Ratings.............................................................. 6

7.3

Recommended Operating Conditions ....................... 6

7.4

Thermal Information ................................................. 7

7.5

Electrical Characteristics........................................... 7

7.6

Timing Requirements ................................................ 9

7.7

Switching Characteristics .......................................... 9

7.8

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

8

Detailed Description ............................................ 15

8.1

Overview ................................................................. 15

8.2

Functional Block Diagram ....................................... 15

8.3

Feature Description................................................. 16

8.4

Device Functional Modes........................................ 18

8.5

Programming........................................................... 18

8.6

Register Maps ......................................................... 20

9

Applications and Implementation ...................... 24

9.1

Application Information............................................ 24

9.2

Typical Application .................................................. 24

10

Power Supply Recommendations ..................... 32

11

Layout................................................................... 32

11.1

Layout Guidelines ................................................. 32

11.2

Layout Example .................................................... 33

12

Device and Documentation Support ................. 34

12.1

Device Support...................................................... 34

12.2

Documentation Support ....................................... 34

12.3

Related Links ........................................................ 34

12.4

Trademarks ........................................................... 34

12.5

Electrostatic Discharge Caution ............................ 34

12.6

Glossary ................................................................ 34

13

Mechanical, Packaging, and Orderable

Information ........................................................... 34

4 Revision History

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

Changes from Revision C (July 2014) to Revision D

Page

•

Deleted SWIFT™ From the datasheet title ........................................................................................................................... 1

•

Moved the Storage Temperature to the Absolute Maximum Ratings ................................................................................... 6

•

Changed Handling Ratings To: ESD Ratings ........................................................................................................................ 6

Changes from Revision B (March 2014) to Revision C

Page

•

Changed Figure 57 image for clarification. .......................................................................................................................... 33

Changes from Revision A (January 2014) to Revision B

Page

•

Changed to new data sheet format. ...................................................................................................................................... 1

•

Added Device Information table ............................................................................................................................................ 1

•

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

•

Moved Abs Max Ratings, Handling Ratings, Recommeded Operating Conditions, Thermal Info, and Elec

Characteristics tables to the "Specifications" section ............................................................................................................ 6

Changes from Original (November 2013) to Revision A

Page

•

Changed data sheet title to include "SWIFT