SLUSFG5
November 2024
UCC33421-Q1
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Device Comparison
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
Insulation Specifications
6.6
Safety-Related Certifications
6.7
Electrical Characteristics
6.8
External BOM Components
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Enable and Disable
7.3.2
Output Voltage Soft-Start
7.3.3
Output Voltage Steady-State Regulation
7.3.4
Protection Features
7.3.4.1
Input Under-voltage and Over-Voltage Lockout
7.3.4.2
Output Under-Voltage Protection
7.3.4.3
Output Over-Voltage Protection
7.3.4.4
Over-Temperature Protection
7.3.4.5
Fault Reporting and Auto-Restart
7.3.5
VCC Load Recommended Operating Area
7.3.6
Electromagnetic Compatibility (EMC) Considerations
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
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical and Packaging Information
9.1
Device Support