Abstract
ABSTRACTThis paper proposes a single clock charge pump with high-voltage conversion ratio for low-voltage applications. To increase the clock voltage level, a voltage doubler circuit has been used in the charge pump circuit. In each stage of this voltage doubler circuit, two out of phase clock signals are produced, meanwhile there is a charge transfer switch in every single stage that it's input is dynamically controlled by an inverter that turns the switch on and off completely. The four-stage charge pump is simulated by using Hspice software under 0.18 µm process with 1.8 V supply voltage and clock voltage. The output voltage and the conversion ratio of the charge pump are 14.71 V and 74.3%, respectively.
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