SLUAAD0 September   2021 UCC28064A

 

  1.   Trademarks
  2. 1Introduction
  3. 2Normal Theory of Multi Phases Control UCC28070 and UCC28064A Operation
  4. 3Achieving Adjustable Phase Control Operation with UCC28064A
  5. 4Achieving Multi Phases Control Operation
    1. 4.1 Disable Feedback of Secondary (Connecting VSENSE and VREF Directly)
    2. 4.2 Disable Feedback of Secondary (Connecting VSENSE and VREF with Diode)
    3. 4.3 External 4 Multi-phase Mode Control Circuit of UCC28064A
    4. 4.4 Detail Operating for External Paralleling Two-Power Stages Control Circuit of UCC28064A
    5. 4.5 Test result for External Paralleling two power stages control circuit of UCC28064A
  6. 5Summary
  7. 6References

4.2 Disable Feedback of Secondary (Connecting VSENSE and VREF with Diode)

Negative offset is always guaranteed (Vsense > Vref).

Figure 4-2 Disable Feedback of Secondary with UCC28064A-2