The HV9805 230VAC Off-Line LED Driver Evaluation Board is used to evaluate and demonstrate Microchip Technology Inc.'s HV9805 device in the following topology: 420-430V output Boost Converter application followed by a LED-side linear current regulator, supplied from the mains 230VAC, to drive a 130-150 LED string. The HV9805 230VAC Off-Line LED Driver Evaluation Board was developed to help engineers reduce the product design cycle time.