%0 Journal Article %T A 100mA fractional step-down charge pump with digital control %A Sadio, Valter A. L. %A Parreira, AbĂ­lio E. M. %A Santos, Marcelino B. %J Proceedings of SPIE %V 7363 %N 1 %P 73630U-73630U-12 %@ 0277-786X %D 2009-05-20 %I SPIE %~ DeepDyve