所需E币: 3
时间: 2019-12-24 22:31
大小: 167.7KB
Abstract:ChargepumpsareaformofDC-DCconverterthatrelyoncapacitorsinsteadofinductorsforenergystorageandtransfer.Theabsenceofinductorsmakesthemattractiveinsituationsrequiringalow-powerauxiliarysupply(outputcurrentsuptoabout150mA).Theyuselesscircuit-boardarea,offerminimalcomponentheight,andareeasytouseMaxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSKeywords:SimpleMethodsReduceInputRippleforAllChargePumpsMay13,2003APPLICATIONNOTE2027SimpleMethodsReduceInputRippleforAllChargePumpsAbstract:ChargepumpsareaformofDC-DCconverterthatrelyoncapacitorsinsteadofinductorsforenergystorageandtransfer.Theabsenceofinductorsmakesthemattractiveinsituationsrequiringalow-powerauxiliarysupply(outputcurrentsuptoabout150mA).Theyuselesscircuit-boardarea,offerminimalcomponentheight,andareeasytouse.Chargepumpscanhaveregulatedorunregulatedoutputs.Anunregulatedchargepumpeitherdoublesorinvertsthevoltagethatpowersitandtheoutputvoltageisafunctionofthesupplyvol……
标签: all
