mb6663 MBI6663 1A Dimmable LED Driver MBI6663 is a step-down constant-current high-brightness LED driver to provide a cost-effective design solution for interior/exterior illumination applications. It is designed to deliver constant current to light up high power LED with only 5 external components. With hysteretic PFM control scheme, M. MBI6663 Features 6~65V wide input voltage range Maximum 1A ....