UCC28722

SLUSBL7B – DECEMBER 2013 – REVISED OCTOBER 2015

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Table of Contents

7.4

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

1

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

8

Application and Implementation ........................ 16

2

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

8.1

Application Information............................................ 16

3

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

8.2

Typical Application ................................................. 16

4

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

9

Power Supply Recommendations ...................... 22

5

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

10

Layout................................................................... 23

6

Specifications......................................................... 3

10.1

Layout Guidelines ................................................. 23

6.1

Absolute Maximum Ratings ...................................... 3

10.2

Layout Example .................................................... 23

6.2

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

11

Device and Documentation Support ................. 25

6.3

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

11.1

Device Support .................................................... 25

6.4

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

11.2

Documentation Support ....................................... 26

6.5

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

11.3

Community Resources.......................................... 27

6.6

Typical Characteristics .............................................. 6

11.4

Trademarks ........................................................... 27

7

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

11.5

Electrostatic Discharge Caution ............................ 27

7.1

Overview ................................................................... 8

11.6

Glossary ................................................................ 27

7.2

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

12

Mechanical, Packaging, and Orderable

7.3

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

Information ........................................................... 27

4 Revision History

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

Changes from Revision A (January 2014) to Revision B

Page

•

Added ESD Rating 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

Changes from Original (December 2013) to Revision A

Page

•

Changed Simplified Application Diagram. .............................................................................................................................. 1

•

Changed Supply current, fault values from 95 µA and 170 µA to 2.00 mA and 2.65 mA...................................................... 5

•

Changed Bias Supply Current vs VDD Voltage image........................................................................................................... 6

•

Changed Operating Current vs Junction Temperature image................................................................................................ 6

•

Changed Functional Block Diagram. ...................................................................................................................................... 8

•

Changed Simplified Flyback Convertor image. .................................................................................................................... 11

•

2

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