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

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

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

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

6.6 Timing Requirements..................................................6

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

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

7.1 Overview..................................................................... 8

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

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

7.4 Device Functional Modes..........................................11

8 Application and Implementation.................................. 12

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

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

9 Power Supply Recommendations................................17

10 Layout...........................................................................18

10.1 Layout Guidelines................................................... 18

10.2 Layout Example...................................................... 19

11 Device and Documentation Support..........................21

11.1 Receiving Notification of Documentation Updates.. 21

11.2 Support Resources................................................. 21

11.3 Trademarks............................................................. 21

11.4 Electrostatic Discharge Caution.............................. 21

11.5 Glossary.................................................................. 21

12 Mechanical, Packaging, and Orderable

Information.................................................................... 22

12.1 Thermal Information................................................22

4 Revision History

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

Changes from Revision C (June 2014) to Revision D (April 2021)

Page

• Updated the numbering format for tables, figures, and cross-references throughout the document. ................1

• Updated Equation 3 ......................................................................................................................................... 13

Changes from Revision B (January 2014) to Revision C (June 2014)

Page

• Changed the data sheet to the new TI standard format .................................................................................... 1

• Added the Handling Ratings table...................................................................................................................... 4

• Added the Timing Requirements table................................................................................................................6

• Added the Power Supply Recommendations section.......................................................................................17

Changes from Revision A (July 2013) to Revision B (January 2014)

Page

• Change the data sheet Title From: 4.5-V to 18-V Input, 5.5-A Synchronous Step-Down Converter with Eco-

mode™ To: 4.5-V to 18-V Input, 3-A Synchronous Step-Down Converter with Eco-mode™.............................1

Changes from Revision * (May 2012) to Revision A (May 2013)

Page

• Changed the Over/Under Voltage Protection section. From: "as the high-side MOSFET driver turns off and

the low-side MOSFET turns on" To: "as both the high-side and low-side MOSFET drivers turn off"............... 10

TPS54526

SLVSB84D – MAY 2012 – REVISED APRIL 2021

www.ti.com

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