45V,1.8Astepdown•WideInputVoltageRangefrom4.75Vto45V•C***tantCurrentorC***tantVoltageRegulation•DrivesLEDsin***Topology•Verylowshutdowncurrentc***umption(typ.0.1μA)•370kHzswitchingfrequency•PWMDimming•Integratedpower-switch(outputcurrentupto1.8A)•InternalSoft-Startfunction•&plu***n;2%outputcurrenttolerance(&plu***n;4%forfullloadcurrentrange)•***allthermallyenhancedexposedheatslugpackage•OverTemperatureShutdown•AECQualified•GreenProduct(RoHSCompliant))