Patent ID: 11887652
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 5:
6. The control circuit of claim 5, wherein in the case where the fourth terminal of the control unit is connected to the first power supply end and the fifth terminal of the control unit is connected to the negative power supply end, the second feedback unit comprises a second error amplifier, a first resistor, a second resistor, and a third transistor;
a negative input terminal of the second error amplifier serves as the input terminal of the second reference voltage, a positive input terminal of the second error amplifier is connected to a first terminal of the first resistor and a first terminal of the second resistor, and an output terminal of the second error amplifier is connected to a control terminal of the third transistor;
a second terminal of the first resistor is connected to a first terminal of the third transistor and the third terminal of the control unit;
a second terminal of the second resistor is connected to the output terminal of the first feedback unit and the second terminal of the control unit; and
a second terminal of the third transistor is connected to the first power supply end.