| http://www.w3.org/ns/prov#value | - According to one aspect of the present invention, the charge pump circuit is a circuit for stepping up or down an input voltage to output a stepped-up or stepped-down output voltage, including: a pumping circuit; and a protection circuit, wherein the pumping circuit includes: a pumping capacitance; a first drive transistor connected between an input node for receiving the input voltage and one ter
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