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UCC28C40-Q1, UCC28C41-Q1, UCC28C42-Q1

UCC28C43-Q1, UCC28C44-Q1, UCC28C45-Q1

SLUSA12B – DECEMBER 2009 – REVISED OCTOBER 2017

www.ti.com

Product Folder Links: UCC28C40-Q1 UCC28C41-Q1 UCC28C42-Q1 UCC28C43-Q1 UCC28C44-Q1 UCC28C45-Q1

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Copyright © 2009–2017, Texas Instruments Incorporated

Table of Contents

1

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

2

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

3

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

4

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

5

Device Comparison Table..................................... 3

6

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

7

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

7.1

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

7.2

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

7.3

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

7.4

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

7.5

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

7.6

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

8

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

8.1

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

8.2

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

8.3

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

8.4

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

9

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

9.1

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

9.2

Typical Application .................................................. 23

10

Power Supply Recommendations ..................... 34

11

Layout................................................................... 35

11.1

Layout Guidelines ................................................. 35

11.2

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

12

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

12.1

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

12.2

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

12.3

Related Links ........................................................ 38

12.4

Community Resource............................................ 38

12.5

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

12.6

Electrostatic Discharge Caution ............................ 39

12.7

Glossary ................................................................ 39

13

Mechanical, Packaging, and Orderable

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

4 Revision History

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

Changes from Revision A (March 2016) to Revision B

Page

•

Added UCC28C43-Q1 initial release...................................................................................................................................... 1

•

Added preview-status UCC28C40-Q1, UCC28C42-Q1, UCC28C44-Q1 and UCC28C45-Q1. ............................................. 1

•

Added WEBENCH links. ........................................................................................................................................................ 1

•

Changed Operating junction temperature from "–55 to 150" to "–40 to 150". ....................................................................... 4

Changes from Original (December 2009) to Revision A

Page

•

Deleted Ordering Information table, see POA at the end of the datasheet. .......................................................................... 1

•

Added Device Information table, Pin Configuration and Functions section, Detailed Description section, Application

and Implementation section, Layout section, Device and Documentation Support section, and Mechanical,

Packaging, and Orderable Information section. .................................................................................................................... 1