MBI1804isaninstantOn/OffLEDdriverforhighpowerLEDapplicationsandexploitsPrecisionDrive andAll-Ways-On technologytoenhanceitsoutputcharacteristics.AtMBI1804outputstage,fourregulatedcurrentportsaredesignedtoprovideuniformandconstantcurrentsinksfordrivingLEDswithinalargerangeofVFvariations.WithAll-Ways-On ,MBI1804providesusers4-channelconstantcurrentports.Usersmayadjusttheoutputcurrentfrom40mAupto240mAthroughanexternalresistor,Rext,whichgivesusersflexibilityincontrollingthelightintensityofLEDs.Inaddition,userscanpreciselyadjustLEDbrightnessfrom0%to100%viaoutputenable()withPulseWidthModulation.Additionally,MBI1804isbuiltwithTP(ThermalProtection)functionandthermalpad.TheTPfunctionprotectsICfromovertemperature(165 C).Also,thethermalpadenhancesthepowerdissipation.Asaresult,alargeamountofcurrentcanbehandledsafelyinonepackage