r5105-ec-1770513详细规格技术说明书.pdfVIP

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R5105NSERIES

AEC-Q100Compliant

MicroprocessorSupervisoryCircuitforAutomotiveApplications

NO.EC-159-200602

OUTLINE

TheR5105NSeriesareCMOS-basedmicroprocessorsupervisorycircuitandhavehighaccuracyandultra

lowsupplycurrentvoltagedetectorwithbuilt-indelaycircuitandwatchdogtimer.Whenthesupplyvoltageis

downacrossthethreshold,orthewatchdogtimerdoesnotdetectthesystemclockfromthemicroprocessor,

theresetoutputisgenerated.

Thevoltagedetectorcircuitisusedforthesystemreset,etc.Thedetectorthresholdisfixedinternally,andthe

accuracyis±1.0%.Thereleaseddelaytime(Power-onResetDelay)circuitisbuilt-in,andoutputdelaytimeis

adjustablewithanexternalcapacitor,andtheaccuracyis±16%(R5105Nxx1x-TR-JE:−40°C≤Ta≤105°C)(1).

Whenthesupplyvoltagebecomeshigherthanthereleasedvoltage,theresetstatewillbemaintainedduring

thedelaytime.Theoutputtypeoftheresetisselectable,Nchopen-drain,orCMOS.

Thetimeoutperiodofthewatchdogtimercanbealsosetwithanexternalcapacitor,andtheaccuracyis

±33%(1).ThepackageofR5105NisSOT-23-6.

FEATURES

•SupplyCurrent(ISS)Typ.11µA

•OperatingVoltageRange(VDD)0.9Vto6.0V

VoltageDetectorPart

•DetectorThresholdRange1.5Vto5.5V(0.1Vsteps)

•DetectorThresholdAccuracy±1.0%

•DetectorThresholdTemperatureCoefficientTyp.±100ppm/°CTyp.±100ppm/°C

R5105Nxx1x-TR-AE:−40°C≤Ta≤125°C

R5105Nxx1x-TR-JE:−40°C≤Ta≤105°C

•Po