发明名称 CONTROL CIRCUIT AND CONTROL METHOD FOR CHARGE PUMP CIRCUIT
摘要 A charge pump circuit includes a first switch to a fourth switch, a flying capacitor, and an output capacitor. A driver turns on the first switch and the fourth switch during a predetermined precharge period from the start of activation of the charge pump circuit to charge the output capacitor. Thereafter, on the basis of a pulse signal, the driver alternately turns on and off a first pair and a second pair.
申请公布号 US2009121781(A1) 申请公布日期 2009.05.14
申请号 US20080269953 申请日期 2008.11.13
申请人 ROHM CO., LTD. 发明人 OYAMA MANABU;UCHIMOTO DAISUKE
分类号 G05F1/10 主分类号 G05F1/10
代理机构 代理人
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