UCC28600

SLUS646K – NOVEMBER 2005 – REVISED AUGUST 2015

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Table of Contents

7.4

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

1

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

8

Application and Implementation ........................ 21

2

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

8.1

Application Information............................................ 21

3

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

8.2

Typical Application ................................................. 21

4

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

8.3

Do's and Don'ts ...................................................... 33

5

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

9

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

6

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

10

Layout................................................................... 34

6.1

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

10.1

Layout Guidelines ................................................. 34

6.2

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

10.2

Layout Example .................................................... 35

6.3

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

11

Device and Documentation Support ................. 36

6.4

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

11.1

Device Support .................................................... 36

6.5

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

11.2

Documentation Support ....................................... 36

6.6

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

11.3

Trademarks ........................................................... 36

6.7

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

11.4

Electrostatic Discharge Caution ............................ 36

7

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

11.5

Glossary ................................................................ 36

7.1

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

12

Mechanical, Packaging, and Orderable

7.2

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

Information ........................................................... 37

7.3

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

4 Revision History

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

Changes from Revision J (July 2011) to Revision K

Page

•

Added Pin Configuration and Functions section, ESD 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

•

Changed Functional Block diagram........................................................................................................................................ 8

•

Changed Control Flow Chart diagram .................................................................................................................................. 11

•

Changed QR Detect Details image. ..................................................................................................................................... 13

•

Changed Oscillator Details image. ....................................................................................................................................... 14

•

Changed Fault Logic Details image...................................................................................................................................... 16

•

Changed Mode Control with FB Pin Voltage image. ........................................................................................................... 18

•

Changed Operation Mode Switching Frequencies image. .................................................................................................. 19

Changes from Revision H (November 2005) to Revision I

Page

•

Changed Equation 35 .......................................................................................................................................................... 29

2

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