SLUAAK3
January 2024
UCC256402
1
Abstract
Trademarks
1
Introduction
2
UCC25640X HS Pin Has Wide dv/dt Sensing Range
3
UCC256402/4 Eliminating the Need for the Auxpower
4
UCC25640X has Higher Vcc Startup Voltage to Support Lower Vcc Capacitance
5
UCC25640X has Programmable Burst Mode Threshold
6
UCC256402A Supports Input OVP to Protect PSU if Grid Voltage is Unstable
7
UCC25640X has Diversity Version for Each Application
8
Summary
9
References
9
References
Texas Instruments,
Dimming Techniques for Switched-Mode LED Drivers
, application note.
Texas Instruments,
AN-1656 Design Challenges of Switching LED Drivers
, application note.
Texas Instruments,
Designing an LLC Resonant Half-Bridge Power Converter
Texas Instruments,
UCC25640x LLC Resonant Controller Features Brief Overview and Bring up Guidelines
, application note.
Texas Instruments,
UCC25640x LLC Resonant Controller with Ultra-Low Audible Noise and Standby Power
, data sheet.
Texas Instruments,
LDO Basics: Capacitor vs. Capacitance