SM5924 is a highly-integrated, single stage power factor correction, low startup current, Quasi resonant mode.
SM7373 is a high power factor of non-isolated step-down constant current LED driver IC. IC has integrated single-stage.
SM7385 is a non-isolation Buck type control IC with active power factor correction function for LED lighting application.
The SM5912 is a high precision non-isolated buck driver with active PFC, specially designed for universal input.
The SM8616AN is an off-line linear LED constant power driver. The application of high bright LED is widely used.