TEL:18617042732***:3073924495Witha40-VratedintegratedswitchFET,theTPS61165deviceisaboostconverterthatdrivesLEDsinseries.Theboostconverterrunsata1.2-MHzfixedswitchingfrequencywith1.2-Aswitchcurrentlimit,andallowsfortheuseofahigh-brightnessLEDingenerallighting.ThedefaultwhiteLEDcurrentissetwiththeexternalsensorresistorRset,andthefeedbackvoltageisregulatedto200mV,asshowninTypicalApplication.Duringtheoperation,theLEDcurrentcanbecontrolledusingthe1wiredigitalinterface(EasyScale™protocol)throughtheCTRLpin.Alternatively,apulse-width-modulation(PWM)signalcanbeappliedtotheCTRLpinthroughwhichthedutycycledeterminesthefeedbackreferencevoltage.IneitherdigitalorPWMmode,theTPS61165devicedoesnotbursttheLEDcurrent;therefore,itdoesnotgenerateaudiblenoisesontheoutputcapacitor.Formaximumprotection,thedevicefeaturesintegratedopenLEDprotectionthatdisablestheTPS61165devicetopreventtheoutputfromexceedingitsabsolutemaximumvoltageratingsduringopenLEDconditi***.特性·3-Vto18-VInputVoltageRange·38-VOpenLEDProtection·200-mVReferenceVoltageWith2%Accuracy·1.2-ASwitchFETWith1.2-MHzSwitchingFrequency·Flexible1WireDigitalandPWMBrightnessControl·Built-inSoftStart·Upto90%Efficiency·2-mm×2-mm×0.8-mm6-PinWSONPackageWithThermalPad,andSOT-23Package·APPLICATI***oHigh-BrightnessLEDLightingoWhiteLEDBacklightingforMediaFormFactorDisplay封装:SOT-23(DBV))