| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a charge pump circuit capable of generating an output voltage of a desired voltage level over a wide range. <P>SOLUTION: The charge pump circuit includes: charge pull-up transistors P1, P2 in which a drain current is controlled according to each of first and second control signals; charge transfer transistors N1, N2 in which a drain current is controlled according to each of third and fourth control signals; a capacitor C1 provided between a node A and a forward direction clock input terminal CLK; a capacitor C2 provided between a node B and a reversion clock input terminal CLKB; and first-fourth gate voltage control circuits for outputting each of the first-fourth control signals. <P>COPYRIGHT: (C)2012,JPO&INPIT |
