tps3103(极低电压电流监测芯片)

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1、TPS31xxExx,TPS31xxH20,TPS31xxK33www.ti.comULTRALOWSUPPLYĆCURRENT/SUPPLYĆVOLTAGESUPERVISORYCIRCUITSSLVS363B−AUGUST2001−REVISEDSEPTEMBER2004featuresTPS3103DBVPACKAGEDPrecisionSupplyVoltageSupervision(TOPVIEW)Range:0.9V,1.2V,1.5V,1.6V,2V,3.3VRESET16VDDDHighTripPointAccuracy

2、:0.75%GND25PFODSupplyCurrentof1.2µA(Typ)DMR34PFIRESETDefinedWithInputVoltagesasLowas0.4VDPowerOnResetGeneratorWithaDelayTPS3106Timeof130msDBVPACKAGE(TOPVIEW)DPush/PullorOpen-DrainRESETOutputsDSOT23-6PackageRSTVDD16VDDDTemperatureRange...−40°Cto85°CGND25RSTSENSEtypicalapp

3、licationsMR34SENSEDApplicationsUsingLow-PowerDSPs,MicrocontrollersorMicroprocessorsTPS3110DPortable/Battery-PoweredEquipmentDBVPACKAGE(TOPVIEW)DIntelligentInstrumentsDWirelessCommunicationSystemsRESET16VDDDProgrammableControlsGND25WDIDIndustrialEquipmentDNotebook/Desktop

4、ComputersMR34SENSEDAutomotiveSystemsdescriptiontypicalapplicationcircuitTheTPS310x,TPS311xfamiliesofsupervisory3.3Vcircuitsprovidecircuitinitializationandtiming1.6Vsupervision,primarilyforDSPandprocessor-basedsystems.VDDVcoreVIOR3TPS3106E33DBVDSPDuringpoweron,RESETisasse

5、rtedwhentheR1supplyvoltage(VDD)becomeshigherthan0.4V.MRRSTVDDRESETThereafter,thesupervisorycircuitmonitorsVDDSENSEandkeepstheRESEToutputactiveaslongasRSTSENSEVDDremainsbelowthethresholdvoltage(VIT).AnR2GNDGNDinternaltimerdelaysthereturnoftheoutputtotheinactivestatetoensu

6、repropersystemreset.TheGNDdelaytimestartsafterVDDhasrisenabovetheVIT.WhentheVDDdropsbelowtheVIT,theoutputbecomesactiveagain.Allthedevicesofthisfamilyhaveafixed-sensethresholdvoltage(VIT)setbyaninternalvoltagedivider.Pleasebeawarethatanimportantnoticeconcerningavailabilit

7、y,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.Alltrademarksarethepropertyoftheirrespectiveowners.PRODUCTIONDATAinformationiscurrentasofpublicationdate.ProductsCopyright2001−2004T

8、exasInstrumentsIncorporated1conformtospecificationsperthetermsofTexasInstrumentsstandardwarranty.Produc