TI LED可控硅调光驱动方案

ApplicationTIPartsOutputPowerInputVoltageOutputCurrentAC/DCIsolatedLEDDriverwithFront-End(TRIAC)DimmingCompatibleSN01090265~7W90-265Vrms300~350mAKeyFeaturesandBenefits:•SingleStageDesignw/oFeedbackLoop–RequiresonlyoneSimplePowerConverter•Phase-Angle“TRIAC”Dimmable–OperatesdowntoMinimumInputSettingCanbeusedwithTraditionalWallDimmers•NaturalPFCorrectionandLowTHD–OperatesdowntoMinimumInputSetting–CanbeusedwithTraditionalWallDimmers•HighEfficiency&+/-3%CurrentAccuracy–Minimizesthermalmanagement•IsolatedDesignmeetsSafetyRequirementFigure:SimplifiedApplication7WSingle-StageAC/DCIsolatedLEDDriverLEDCurrentSenseCCPCGRSU10M+IoutVDDVGGZCDFBCLDRVGNDMOTSN0901026ACInputVBIASCcouplerRSTL431TI-68207PatentPending(TriacDimmableAdvancedSingleStagePFC)56.5mm*18.5mm