Semiconductor Toggle Switch
Abstract:Alow-powercircuitformedwithresistors,capacitors,apushbuttonswitch,andtwocomparatorsservesasatoggleswitchthatdirectlydrivesloadsupto40mA,providingaknownstatefollowingpowerup,batteryinsertion,orsystemtimeout.Maxim/Dallas>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSKeywords:semiconductortoggleswitch,on-offswitch,singlebutton,portableequipment,portabledevices,May03,2004toggleswitch,latchingfunction,comparatorAPPLICATIONNOTE3223SemiconductorToggleSwitchAlow-powercircuitformedwithresistors,capacitors,apushbuttonswitch,andtwocomparatorsservesasatoggleswitchthatdirectlydrivesloadsupto40mA,providingaknownstatefollowingpowerup,batteryinsertion,orsystemtimeout.Weareallusedtosinglebuttonon-offswitchesonportableappliancessuchasmobile(cellular)phones.Thesinglebuttonhasseveraladvantagesoveratogglingswitchthatdeliversbatterypowerdirectlytotheelectronics:qIttakesuplessfrontpanelspace.
