The IRPLDIM4E Reference Design is a miniature dimmable electronic ballast for driving26W compact fluorescent lamps from a 220VAC line. The circuit provides all of thenecessary functions for preheat, ignition, and dimming control of the lamp and alsoincludes the EMI filter and AC rectification stage. The ballast size is 1.42in x 2.44in(36mm x 62mm).