Patent ID: 11870342
Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 23:
24. The method of claim 21, wherein controlling the plurality of primary switches operating with the switching frequency, further comprising:
receiving the switching frequency; and
controlling the plurality of primary switches operating according to the switching frequency; and
controlling at least one of the plurality of secondary switches to be turned on during the first time interval, further comprising:
receiving an output voltage and providing a scaled output voltage according to the output voltage;
providing an error signal according to the scaled output voltage and a reference voltage;
providing a phase-shifting angle according to the error signal; and
controlling at least one of the plurality of secondary switches to be turned on during the first time interval according to the switching frequency and the phase-shifting angle.