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时间: 2019-12-27 21:05
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Microchip'sTC54seriesofvoltagedetectorsaredesignedtosupersedeavarietyofdiscretecomparatorcircuitsandbipolartechnologyvoltagedetectors.Thesevoltagedetectorsareespeciallysuitedforapplicationinbatterypoweredsystemsbecauseoftheirextremelylow1µAoperatingcurrent.Eachpartislaserprogrammedtothedesiredtrippointvoltageovertherangeof1.1Vto6.0Vin100mVsteps.Forcompletedesignflexibility,complementaryoropen-drainoutputversionsareavailable.TC54packageoptionsincludesurfacemountSOT-23AandSOT-89orthrough-holeTO-92types.AN779UsingtheMicrochipTC54VoltageDetectorINTRODUCTIONOPERATIONMicrochip'sTC54seriesofvoltagedetectorsaredesignedtoTheTC54equivalentcircuitisshowninFigure1.Theinternalsupersedeavarietyofdiscretecomparatorcircuitsandbipolarprecisiontemperature-compensatedreferenceandcomparatortechnologyvoltagedetectors.circuitconsistentlymonitorVINforanunder-voltagecondition.Whensuchaconditionoccurs,theoutputisfo……