CHARGE PUMP CIRCUIT, INTEGRATED CIRCUIT, ELECTRONIC DEVICE AND METHOD THEREFOR

摘要

A charge pump circuit for generating a negative voltage has a switched capacitor voltage inverter circuit arranged to receive at least one clock signal and generate a negative voltage therefrom; a regulation control loop providing a feedback path from the output of the switched capacitor voltage inverter circuit to a supply input of the switched capacitor voltage inverter circuit, wherein the regulation control loop has a filter arranged to filter the generated negative voltage; and an output arranged to output the filtered generated negative voltage.

主权项

1. A charge pump circuit for generating a negative voltage comprising:
a switched capacitor voltage inverter circuit arranged to receive at least one clock signal and generate a negative voltage therefrom; a regulation control loop providing a feedback path from the output of the switched capacitor voltage inverter circuit to a supply input of the switched capacitor voltage inverter circuit, wherein the regulation control loop comprises a filter arranged to filter the generated negative voltage; and an output arranged to output the filtered generated negative voltage.