Texas Instruments MCP809 Handleiding
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MCP809,MCP810
www.ti.com
SNVS165A–JUNE2001–REVISEDMAY2013
MCP809/MCP8103-PinMicroprocessorResetCircuits
CheckforSamples:MCP809,MCP810
1
FEATURES
DESCRIPTION
TheMCP809/810microprocessorsupervisorycircuits
2
•PreciseMonitoringof3V,3.3V,and5VSupply
canbeusedtomonitorthepowersuppliesin
Voltages
microprocessoranddigitalsystems.Theyprovidea
•Fullyspecifiedovertemperature
resettothemicroprocessorduringpower-up,power-
•140msmin.Power-OnResetPulseWidth,
downandbrown-outconditions.
240msTypical
ThefunctionoftheMCP809/810istomonitortheV
CC
–Active-lowRESETOutput(MCP809)
supplyvoltage,andassertaresetsignalwhenever
thisvoltagedeclinesbelowthefactory-programmed
–Active-highRESETOutput(MCP810)
resetthreshold.Theresetsignalremainsassertedfor
•SpecifiedRESETOutputValidforV
CC
≥1V
240msafterV
CC
risesabovethethreshold.The
•LowSupplyCurrent,15µAtypical
MCP809hasanactive-lowRESEToutput,whilethe
MCP810hasanactive-highRESEToutput.
•Powersupplytransientimmunity
Sevenstandardresetvoltageoptionsareavailable,
APPLICATIONS
suitableformonitoring5V,3.3V,and3Vsupply
voltages.
•MicroprocessorSystems
•Computers
Withalowsupplycurrentofonly15µA,the
MCP809/810areidealforuseinportableequipment.
•Controllers
TheMCP809/MCP810areavailableinthe3-pin
•IntelligentInstruments
SOT23package.
•Portable/Battery-PoweredEquipment
•Automotive
TypicalApplicationCircuit
Figure1.TypicalApplicationCircuit
ConnectionDiagram
Figure2.()areforMCP810
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
2Alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2001–2013,TexasInstrumentsIncorporated
ProductsconformtospecificationsperthetermsoftheTexas
Instrumentsstandardwarranty.Productionprocessingdoesnot
necessarilyincludetestingofallparameters.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | MCP809 |
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