A ramp wave generation circuit, comprising: an integrating circuit, configured to output a ramp wave signal for a current period; a signal regulation circuit, comprising a feedback control loop and a transconductance amplifier connected in series, wherein the feedback control loop is configured to monitor the ramp wave signal output by the integrating circuit, and output a regulation control signal to the transconductance amplifier; and a voltage generation circuit, configured to output a first and a second reference voltage signals (303,302) to the integrating circuit and a third reference voltage signal to the signal regulation circuit; wherein the integrating circuit comprises a first bilateral switch, a second bilateral switch, a third bilateral switch, a ramp wave signal generation capacitor and a first high-gain operational amplifier; wherein the first bilateral switch is connected between a negative input and an output of the first high-gain operational amplifier; one terminal of the ramp wave signal generation capacitor is connected to the negative input of the first high-gain operational amplifier, and another terminal of the ramp wave signal generation capacitor is connected to the output of the first high-gain operational amplifier via the second bilateral switch; and one terminal of the third bilateral switch is connected to the first reference voltage signal, and another terminal of the third bilateral switch is connected between the ramp wave signal generation capacitor and the second bilateral switch; wherein a positive input of the first high-gain operational amplifier is connected to the second reference voltage signal; and the first bilateral switch, the second bilateral switch and the third bilateral switch do not simultaneously operate in a conduction state; wherein the feedback control loop comprises an error amplifier, wherein a positive input of the error amplifier is connected to the ramp wave signal output of the ramp wave signal generation circuit, a negative input of the error amplifier is connected to the third reference voltage signal, and an output of the error amplifier is connected to the regulation control signal; wherein the transconductance amplifier is configured to provide an error correction current flowing between the negative terminal of the high-gain operational amplifier and ground, according to the regulation control signal, to correct the ramp wave signal output within a next period. an integrating circuit, configured to output a ramp wave signal for a current period; a signal regulation circuit, comprising a feedback control loop and a transconductance amplifier connected in series, wherein the feedback control loop is configured to monitor the ramp wave signal output by the integrating circuit, and output a regulation control signal to the transconductance amplifier; and a voltage generation circuit, configured to output a first and a second reference voltage signals (303,302) to the integrating circuit and a third reference voltage signal to the signal regulation circuit; wherein the integrating circuit comprises a first bilateral switch, a second bilateral switch, a third bilateral switch, a ramp wave signal generation capacitor and a first high-gain operational amplifier; wherein the first bilateral switch is connected between a negative input and an output of the first high-gain operational amplifier; one terminal of the ramp wave signal generation capacitor is connected to the negative input of the first high-gain operational amplifier, and another terminal of the ramp wave signal generation capacitor is connected to the output of the first high-gain operational amplifier via the second bilateral switch; and one terminal of the third bilateral switch is connected to the first reference voltage signal, and another terminal of the third bilateral switch is connected between the ramp wave signal generation capacitor and the second bilateral switch; wherein a positive input of the first high-gain operational amplifier is connected to the second reference voltage signal; and the first bilateral switch, the second bilateral switch and the third bilateral switch do not simultaneously operate in a conduction state; wherein the feedback control loop comprises an error amplifier, wherein a positive input of the error amplifier is connected to the ramp wave signal output of the ramp wave signal generation circuit, a negative input of the error amplifier is connected to the third reference voltage signal, and an output of the error amplifier is connected to the regulation control signal; wherein the transconductance amplifier is configured to provide an error correction current flowing between the negative terminal of the high-gain operational amplifier and ground, according to the regulation control signal, to correct the ramp wave signal output within a next period.