价格:未填
供应:99999
发货:3天内
TheMBI6650isahighefficiency,constantcurrentandstep-downDC/DCconverter.ItisdesignedtodeliverconstantcurrenttolightuphighpowerLEDwithonly4externalcomponents.WithhystereticPFMcontrolscheme,MBI6651improvestheefficiencyoflightloading.TheoutputcurrentofMBI6651canbeprogrammedbyanexternalresistorandLEDdimmingcanbecontrolledviapulsewidthmodulation(PWM)throughDIMpin.Inaddition,thestart-upfunctionlimitstheinrushcurrentwhilethepowerisswitchon.TheMBI6651alsofeaturesundervoltagelockout(UVLO),overtemperatureprotection,LEDopen-circuitedprotectionandLEDshort-circuitedprotectiontoprotectICfrombeingdamaged.Additionally,toensurethesystemreliability,theMBI6651buildsthermalprotection(TP)functioninside.ThisfunctionprotectsICfromoverheating(165 C)invariousapplicationconditions.MBI6650providesthermalenhancedpackagesaswelltohandlepowerdissipationmoreefficiently.MBI6650isavailableinTO-252,SOT23-6andMSOP-8packages.