Infineon Technologies ICL88xx PFC-SSR Flyback Converter Demo Boards are reference designs based on the ICL8800, ICL8810, and ICL8820 High Power Factor Flyback Controllers. The Flyback Converter Demo Boards are configured as Constant Voltage (CV) Secondary-Side Regulated (SSR) systems and are intended to be used with a Constant Current (CC) converter for LED lighting applications.