零几年的文章:Enhanced charge pump for ultra-lowvoltage applications。里面的倍压器的输出阻抗为N/(2fC)。考虑到mos管的非零电阻,输出阻抗修改为N/(2fC)*coth[Ton/(ron*C)]。where Ton is the time interval during which the charge transfer between adjacent capacitors is active。文章中Ton=1/2f。如果驱动电荷泵电容的时钟存在上升时间和下降时间,那么mos管的导通电阻ron和Ton如何表示?