SLUAAD0
September 2021
UCC28064A
Trademarks
1
Introduction
2
Normal Theory of Multi Phases Control UCC28070 and UCC28064A Operation
3
Achieving Adjustable Phase Control Operation with UCC28064A
4
Achieving Multi Phases Control Operation
4.1
Disable Feedback of Secondary (Connecting VSENSE and VREF Directly)
4.2
Disable Feedback of Secondary (Connecting VSENSE and VREF with Diode)
4.3
External 4 Multi-phase Mode Control Circuit of UCC28064A
4.4
Detail Operating for External Paralleling Two-Power Stages Control Circuit of UCC28064A
4.5
Test result for External Paralleling two power stages control circuit of UCC28064A
5
Summary
6
References
6
References
Texas Instruments,
UCC28064A Natural Interleaving™ Transition-Mode PFC Controller with High Light-Load Efficiency
data sheet.
Texas Instruments,
UCC28070 Interleaving Continuous Conduction Mode PFC Controller
data sheet.