TPS65321A-Q1 datasheet(2/43 Pages) TI1

Part #	TPS65321A-Q1

Description	36-V Step-Down Converter With Eco-mode and LDO Regulator

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Manufacturer	TI1 [Texas Instruments]

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TPS65321A-Q1

SLVSE55 – NOVEMBER 2017

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Product Folder Links: TPS65321A-Q1

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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 ....................... 5

6.4

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

6.5

Electrical Characteristics........................................... 6

6.6

Typical Characteristics .............................................. 8

7

Detailed Description ............................................ 10

7.1

Overview ................................................................. 10

7.2

Functional Block Diagram ....................................... 11

7.3

Feature Description................................................. 11

7.4

Device Functional Modes........................................ 21

8

Application and Implementation ........................ 22

8.1

Application Information............................................ 22

8.2

Typical Application .................................................. 22

9

Power Supply Recommendations ...................... 33

10

Layout................................................................... 33

10.1

Layout Guidelines ................................................. 33

10.2

Layout Example .................................................... 34

11

Device and Documentation Support ................. 35

11.1

Documentation Support ........................................ 35

11.2

Receiving Notification of Documentation Updates 35

11.3

Community Resources.......................................... 35

11.4

Trademarks ........................................................... 35

11.5

Electrostatic Discharge Caution ............................ 35

11.6

Glossary ................................................................ 35

12

Mechanical, Packaging, and Orderable

Information ........................................................... 35

4 Revision History

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

DATE

REVISION

NOTES

November 2017

*

Initial release.

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