Patent ID: 11929684
Assignee: SHANGHAI BRIGHT POWER SEMICONDUCTOR CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 16:
17. The control circuit of claim 15, further comprising a synchronous rectification time prediction circuit configured to predict the turn-off instant of the secondary-side synchronous rectification transistor and responsively adjustably generate the first predetermined period of time as an on-time length of the secondary-side synchronous rectification transistor, the synchronous rectification time prediction circuit comprising an output configured to output the first predetermined period of time to the secondary-side control timer, and
wherein the synchronous rectification time prediction circuit comprising an input configured to receive the signal characterizing the voltage of the secondary-side winding and generate the first predetermined period of time based on the signal characterizing the voltage of the secondary-side winding.