SNVSAQ5B
November 2018 – May 2022
UCC27282
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Timing Diagrams
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Enable
7.3.2
Start-up and UVLO
7.3.3
Input Stages and Interlock
7.3.4
Level Shifter
7.3.5
Output Stage
7.3.6
Negative Voltage Transients
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Select Bootstrap and VDD Capacitor
8.2.2.2
Estimate Driver Power Losses
8.2.2.3
Selecting External Gate Resistor
8.2.2.4
Delays and Pulse Width
8.2.2.5
External Bootstrap Diode
8.2.2.6
VDD and Input Filter
8.2.2.7
Transient Protection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
2
Applications
Telecom and merchant power supplies
Motor drives
and power tools
Auxiliary inverters
Half-bridge and full-bridge converters
Active-clamp forward converters
High voltage synchronous-buck converters
Class-D audio amplifiers
Simplified Application Diagram