Patent ID: 11870362
Assignee: WUXI CHIPOWN MICROELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 6:
7. The synchronous rectification control circuit according to claim 5, wherein the anti-accidental turn-on circuit further comprises a third-stage sub-circuit and a fifth voltage dividing resistor, and the OR gate circuit further has a third input terminal,
wherein the fifth voltage dividing resistor has a first terminal coupled to the second terminal of the fourth voltage dividing resistor, and a second terminal grounded, wherein a voltage at the first terminal of the fifth voltage dividing resistor is the second dividing voltage; and
the third-stage sub-circuit has a first input terminal coupled to the second terminal of the first voltage dividing resistor, a second input terminal provided with the second dividing voltage, and an output terminal coupled to the third input terminal of the OR gate circuit.