| 主权项 |
1. A slope compensation circuit, comprising:
a first voltage source, having a first terminal and a second terminal, wherein the first voltage source is configured to provide a first voltage signal; a first operation circuit, having a first terminal, a second terminal and an output terminal, configured to provide a current control signal according to the first voltage signal and a second voltage signal; a first switch, having a first terminal and a second terminal, wherein the first terminal of the first switch is coupled to the first terminal of the first voltage source; a first capacitor, having a first terminal and a second terminal, wherein the first terminal of the first capacitor is coupled to the second terminal of the first switch, and wherein the second terminal of the first capacitor is coupled to the second terminal of the first voltage source; a second switch, having a first terminal and a second terminal, wherein the first terminal of the second switch is coupled to the first terminal of the first capacitor; and a first controlled current source, having a first terminal, a second terminal and a control terminal, wherein the first terminal of the first controlled current source is coupled to the second terminal of the second switch, and wherein the second terminal of the first controlled current source is coupled to the second terminal of the first capacitor, and wherein the control terminal of the first controlled current source is coupled to the output terminal of the first operation unit, and wherein the first controlled current source is configured to provide a first current signal according to the current control signal. |
