标签: ultra-low
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Abstract:Thisapplicationnotedescribesanultra-lowpowermicroprocessorresetgeneratorthatiscapableofoperatingfordecadesfromasingleAALithiumcell.Wherecontinuousintermittentresetisdesired,thisrelaxation-oscillatorcircuitcanprovideadjustablepulsewidthandresetperiod.Typicaloperationproducing100µspulseseachsecondrequiresonly1µAcurrentfroma1.8-5.5Vsupply.Formulasareprovidedforcalculationofcomponentvaluesforawiderangeofpulsewidthandperiod.Maxim>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSKeywords:microprocessorresetgenerator,ultra-lowpower,relaxationoscillator,longbatterylife,pulseSep06,2002generatorAPPLICATIONNOTE1186UltraLowPowerResetGeneratorAbstract:Thisapplicationnotedescribesanultra-lowpowermicroprocessorresetgeneratorthatiscapableofoperatingfordecadesfromasingleAALithiumcell.Wherecontinuousintermittentresetisdesired,thisrelaxation-oscillatorcircuitcanprovideadjustablepulsewidthandresetperiod.Typicaloperationproducing100spulseseachsecondrequiresonly1Acurrentfroma1.8-5.5Vsupply.Formulasareprovidedforcalculationofcomponentvaluesforawiderangeofpulsewidthandperiod.Whenaprocessor-controlleddevicemustbeguarantee……
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TravelingtheWildFrontiersofUltra-LowVoltageDesignTravelingtheWildFrontiersofUltra-LowVoltageDesignJanM.RabaeyDirectorGigascaleSiliconResearchCenterCo-DirectorBerkeleyWirelessResearchCenterUniversityofCaliforniaatBerkeleyCCCD,September22,2005,LundWhyUltra-LowVoltage?PowerandEnergyLimitingIntegrationandScalingExploringtheBoundsandFrontiersofComputationTheBraveNewWorldofUbiquitousElectronicsMeso-scaleMeso-scalelow-costlow-costwirelesswirelesstransceiverstransceiversforforubiquitouswirelessdataacquisitionthatubiquitouswirelessdataacquisitionthatarearefullyfullyintegratedintegrated3……
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Configuringastep-down,switching-converterICasaninverteryieldsanefficient,high-powered,-5Vsupplycapableofoutputtingcurrentsupto4.5A(12Vinput)or3.2A(5Vinput).Thecircuitcanbemodifiedtodeliverothervoltagelevels.……
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Youcaninduceaswitchingregulatortoproducearegulatedoutputlowerthanitsinternalreferencevoltagebyaddingahigher-voltageexternalreference.……
