Self-Starting Can Be Hard to Do—Understanding Power-on-Reset Requirements in Reg

Abstract:Self-startingisanecessarybutsometimesdifficulttask,whetheritismotivatinghumans,startingcoldautomobiles,orprovidingpower-on-reset(POR)forICs.PORsensuresystemsstartinknownandsafestates.Wewilldiscussseveralmisapplicationsofthistechnologyandhowdesignerscanavoidstartupproblems.Maxim>DesignSupport>TechnicalDocuments>Tutorials>A/DandD/AConversion/SamplingCircuits>APP4606Maxim>DesignSupport>TechnicalDocuments>Tutorials>AmplifierandComparatorCircuits>APP4606Maxim>DesignSupport>TechnicalDocuments>Tutorials>Automotive>APP4606Keywords:Self-start,opamp,buriedzener,bandgap,parasiticdevice,triac,electrostaticdischarge,ESD,PTAT,proportionaltoabsolutetemperature,Schottkydiode,poweronreset,POR,voltagereferenceDec14,2011TUTORIAL4606Self-StartingCanBeHardtoDo―UnderstandingPower-on-ResetRequirementsinRegulatorsandBandgapsBy:BillLaumeister,StrategicApplicatio