UCC28220, UCC28221
SLUS544G – SEPTEMBER 2003 – REVISED APRIL 2017
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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......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Recommended Operating Conditions....................... 5
7.4 Thermal Information .................................................. 5
7.5 Electrical Characteristics........................................... 6
7.6 Typical Characteristics .............................................. 8
8 Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Block Diagram ....................................... 11
8.3 Feature Description................................................. 12
8.4 Device Functional Modes........................................ 13
9 Application and Implementation ........................ 17
9.1 Application Information............................................ 17
9.2 Typical Application .................................................. 17
10 Power Supply Recommendations ..................... 19
11 Layout................................................................... 20
11.1 Layout Guidelines ................................................. 20
11.2 Layout Example .................................................... 20
12 Device and Documentation Support ................. 21
12.1 Documentation Support ........................................ 21
12.2 Related Links ........................................................ 21
12.3 Receiving Notification of Documentation Updates 21
12.4 Community Resources.......................................... 21
12.5 Trademarks ........................................................... 21
12.6 Electrostatic Discharge Caution ............................ 21
12.7 Glossary ................................................................ 22
13 Mechanical, Packaging, and Orderable
Information ........................................................... 22
4 Revision History
Changes from Revision F (September 2016) to Revision G
Page
• Deleted Control Loop Compensation section. ..................................................................................................................... 19
• Deleted Current Loop section............................................................................................................................................... 19
• Deleted Voltage Loop (TV(s)) section..................................................................................................................................... 19
Changes from Revision E (March 2009) to Revision F
Page
• Added ESD Ratings 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
• Deleted Ordering Information table; see POA at the end of the data sheet........................................................................... 3
• Added Thermal Information table ........................................................................................................................................... 5
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