Patent ID: 6975161

Claim:
A charge pump, comprising: a voltage source for providing an input voltage; a signal source for providing a clocking signal and a phase inverted signal of the clocking signal needed to operate the charge pump; a first control signal generation unit, wherein the first control signal generation unit receives the input voltage, the phase inverted clocking signal and a ground voltage and outputs a first control signal, and the voltage level of the first control signal is determined by the phase inverted clocking signal; a first output voltage generation unit, wherein the first output voltage generation unit receives the input voltage and the first control signal and outputs via a first output terminal, and where a connection of the input voltage with the first output terminal is determined by a circuit inside the first output voltage generation unit that depends on the first control signal; a second control signal generation unit, wherein the second control signal generation unit receives the input voltage, the clocking signal and the ground voltage and outputs a second control signal, and the voltage level of the second control signal is determined by the clocking signal; a second output voltage generation unit, wherein the second output voltage generation unit receives the input voltage and the second control signal and outputs via a second output terminal, and where a connection of the input voltage with the second output terminal is determined by a circuit inside the second output voltage generation unit that depends on the second control signal; a first capacitor having a first terminal receiving the clocking signal and a second terminal to output a first output voltage, and the second terminal of the first capacitor is connected to the first output terminal; and a second capacitor having a first terminal receiving the phase inverted clocking signal and a second terminal to output a second output voltage, and the second terminal of the second capacitor is connected to the second output terminal.