SLUUDA3
May 2025
UCC25661
1
Description
Features
Applications
5
1
Evaluation Module Overview
1.1
Introduction
1.2
Kit Contents
1.3
Specifications
1.4
Device Information
General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
2
Hardware
2.1
Test Setup
2.1.1
Test Equipment
2.1.2
Recommended Test Setup
2.2
Using the EVM with UCC256612
2.3
Using the EVM with UCC256613
2.4
Test Points
2.5
Terminals
2.6
Test Procedure
2.6.1
Equipment Shutdown
3
Implementation Results
3.1
Performance Data and Typical Characteristic Curves
3.1.1
UCC25661EVM-128 Standalone Standby and Light Load Power
3.1.2
Efficiency, Load Regulation, Switching Frequency vs Output Current
3.1.3
Startup
3.1.4
Enhanced ZCS Avoidance During Soft Start
3.1.5
Thermal Image
3.1.6
Output Voltage Ripple
3.1.7
Load Transient Response
3.1.8
Loop Response
3.1.9
Steady State
3.1.10
X-Capacitor Discharge
4
Hardware Design Files
4.1
Schematics
4.2
PCB Layouts
4.3
Bill of Materials
5
Additional Information
Trademarks
EVM User's Guide
UCC25661x Half Bridge LLC Evaluation Module