Patent ID: 11909322
Assignee: WUXI SI-POWER MICRO-ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 8:
9. The power conversion circuit adopting the isolation type power conversion method based on demagnetization iteration control according to claim 8, characterized in that
the ripple injection module comprises a seventh switch, wherein a control end of the seventh switch is electrically connected with the ONTRIG output end of the first comparator through a second one-shot circuit, a first base electrode of the seventh switch is electrically connected with one end of a second reference voltage source, a second base electrode of the seventh switch is electrically connected with one end of a fourth capacitor and one end of a first resistor, the second base electrode of the seventh switch is further electrically connected with the summator, and the other end of the second reference voltage source, the other end of the fourth capacitor, the other end of the first resistor and the negative electrode of the secondary side of the high-frequency transformer in the demagnetization stage share a common ground.