标签: adjustable

NSLM3173-TerminalAdjustableRegulatorGeneralDescription

NCV47822-DDualHighSideSwitchwithAdjustableCurrentLimitandDiagnosticFeature

NCV47823-DDualHighSideSwitchwithAdjustableCurrentLimitandDiagnosticFeatures

Abstract:Thiscircuitmonitorscurrentflowathighvoltage(48Vandhigher)usingastandard5Vdifferenceamplifier(MAX4198)referencedtoground.Italsoemploysadigitalpotentiometer(MAX5402)forgainadjustment.Maxim>AppNotes>AmplifierandComparatorCircuitsDigitalPotentiometersKeywords:high-voltagecurrentmonitors,differenceamplifiers,adjustablegain,pnptransistors,digitalpotentiometersDec21,2010APPLICATIONNOTE4546High-Voltage,Programmable-GainCurrentMonitorAbstract:Thiscircuitmonitorscurrentflowathighvoltage(48Vandhigher)usingastandard5Vdifferenceamplifier(MAX4198)referencedtoground.Italsoemploysadigitalpotentiometer(MAX5402)forgainadjustment.AsimilarversionofthisarticleappearedintheJune1,2007issueofPET.Telcom,LDMOS,automotive,andnumerousotherapplicationsrequirethemeasurementofcurrentflowathighvoltages(high-sidecurrent).Often,acircuitoperatingat5Vmustmonitor……

摘要：看门狗定时器用于监视和尽量减少代码执行错误。内部看门狗定时器会遵守执行问题的代码，使外部看门狗电路宝贵在防止系统锁定。Maxim>AppNotes>AUTOMOTIVEMICROPROCESSORSUPERVISORCIRCUITSKeywords:watchdogtimer,watchdogcircuit,windowed,reset,adjustablewatchdog,capacitoradjustableMar13,2003watchdogAPPLICATIONNOTE1926WatchdogsImproveSystemReliability―HowtoChoosetheRightPartAbstract:Watchdogtimersareusedtomonitorandminimizecodeexecutionerrors.Internalwatchdogtimersaresubjecttocodeexecutionproblems,makingexternalwatchdogcircuitsinvaluableinpreventingsystemlockup.Thisdocumentprovidesassistanceinselectingtherighttimeofwatchdog/supervisoryproductfordifferenttypeofapplicationsandhowtoapplythecircuitwithoutthesoftwarecode.Manycircuitfunctionspreviouslyrealizedwithdedicatedhardwarearenowimplementedinsoftware,du……

摘要：代替通常的晶体管在功率放大器电路的分流稳压器（U1），提高了限流精度。Maxim>AppNotes>CIRCUITPROTECTIONPOWER-SUPPLYCIRCUITSKeywords:shuntregulator,currentlimit,poweramplifier,adjustableshuntregulatorJul26,2006APPLICATIONNOTE3867ShuntRegulatorImprovesPA'sCurrent-LimitAccuracyAbstract:Substitutingashuntregulator(U1)fortheusualtransistorinthispower-amplifiercircuitimprovesthecurrent-limitaccuracy.Addingcurrent-limitingcircuitrytoanemitterfollowerprotectsboththepasstransistoranddownstreamcircuitryfromexcessivecurrentdamage.Theclassicwaytoimplementsuchcurrentlimitingistoaddaballastresistorbetweenthepasstransistor'semitterandthecircuitoutput,andthenmonitortheresistordropwithasmall-signaltransistor.SeeR4andQ2inthepoweramplifier(……

摘要：在应用程序需要的滞后量可以有所不同，取决于很多因素。这个简单的电路，让你调整，否则固定滞后（VCC上的上升和下降阈值之间的电压差），辖3针微处理器复位IC的运作。Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>CircuitProtection>APP4511Keywords:microprocessorreset,adjustablehysteresisNov19,2010APPLICATIONNOTE4511AdjustableHysteresisinMicroprocessor-ResetICsBy:EricSchlaepfer,ApplicationsEngineerNov19,2010Abstract:Theamountofhysteresisneededinanapplicationcanvaryanddependsonmanyfactors.Thissimplecircuitletsyouadjusttheotherwisefixedhysteresis(thevoltagedifferencebetweenrisingandfallingthresholdsonVCC)thatgovernstheoperationofa3-pinmicroprocessor-resetIC.AsimilarversionofthisarticleappearedintheJuly31,2008issueofPortableDesi……

摘要：该电路在高电压（48V和更高）使用一个标准的5V差分放大器（MAX4198）参照地面监视电流流。它还采用了增益调整数字电位器（MAX5402）。Maxim>AppNotes>AmplifierandComparatorCircuitsDigitalPotentiometersKeywords:high-voltagecurrentmonitors,differenceamplifiers,adjustablegain,pnptransistors,digitalpotentiometersDec21,2010APPLICATIONNOTE4546High-Voltage,Programmable-GainCurrentMonitorAbstract:Thiscircuitmonitorscurrentflowathighvoltage(48Vandhigher)usingastandard5Vdifferenceamplifier(MAX4198)referencedtoground.Italsoemploysadigitalpotentiometer(MAX5402)forgainadjustment.AsimilarversionofthisarticleappearedintheJune1,2007issueofPET.Telcom,LDMOS,automotive,andnumerousotherapplicationsrequirethemeasurementofcurrentflowathighvoltages(high-sidecurrent).Often,acircuitoperatingat5Vmustmonitor……

数字可调电压的引用是在许多应用程序非常有用。例如，可以使用需要的绝对精度时细调参考电压或调整到最大限度模拟向数字转换的动态范围的模拟输入信号的全面的电压范围相匹配的参考电压。您可以轻松创建一个可调节电压参考结合数字电位器(罐)。使用数字锅的数字变量方面控制灵活和有用的电路中参考结果调整电压。此处提供了三种基本电路拓扑。第一次达到粗的调整宽电压范围，第二种罚款一个窄的电压范围，和第三个调整细宽电压范围内的调整。这些简单的电路可以直接使用，或可以构成更复杂的控制系统的基础。Maxim>AppNotes>DIGITALPOTENTIOMETERSKeywords:DigitallyAdjustableVoltageReferencesJul01,2001APPLICATIONNOTE629DigitallyAdjustableVoltageReferencesAdigitallyadjustablevoltagereferenceisusefulinmanyapplications.Forinstance,itcanbeusedtofinelytunethereferencevoltagewhenabsoluteaccuracyisrequiredortoadjustthereferencevoltagetomatchthefull-scalevoltagerangeofananalog-inputsignaltomaximizethedynamicrangeofananalog-to-digitalconversion.Youcaneasilycreateonebycombininganadjustablevoltagereferencewithadigitalpotentiometer(pot).Usingthedigitallyvariableaspectofthedigitalpottocontroltheadjustmentvoltageonthereferenceresultsinaflexibleand……