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

Claim 0:
1. A control circuit, comprising a control unit, a first feedback unit, and a second feedback unit, wherein
the first feedback unit is configured to output a first feedback signal according to a voltage of the control unit and a first reference voltage; a first terminal of the first feedback unit is connected to a first terminal of the control unit, a second terminal of the first feedback unit serves as an input terminal of the first reference voltage, and an output terminal of the first feedback unit is connected to a second terminal of the control unit and a first terminal of the second feedback unit;
the second feedback unit is configured to output a second feedback signal according to an output voltage of the first feedback unit and a second reference voltage; a second terminal of the second feedback unit serves as an input terminal of the second reference voltage, and an output terminal of the second feedback unit is connected to a third terminal of the control unit; and
the control unit is configured to adjust a voltage of the second terminal of the control unit according to the first feedback signal and adjust a voltage of the third terminal of the control unit according to the second feedback signal to make a value by which a current of the control unit changes be within a first range, wherein the current of the control unit changes along with a change of a first parameter; the first parameter comprises at least one of manufacturing process parameters, power supply voltage, or working temperature of the control circuit; a fourth terminal of the control unit is connected to a first power supply end and a fifth terminal of the control unit is connected to a negative power supply end, or the fourth terminal of the control unit is connected to a second power supply end and the fifth terminal of the control unit is connected to ground.