This project work describes multilevel unidirectional PFC rectifier topologies is suited for applications that gives high efficiency and high power density. The reduced conduction losses are obtained through the use of single converter instead of conventional configuration. The implementation of bridgeless power factor correction (PFC) with low common mode noise is presented in this paper. The topology survey is obtained in several boost power factor corrected converters which offer high efficiency, high power factor and low cost. The hysteresis current control technique for Diode Bridge with two power switches is adopted to achieve high power factor and low harmonic distortion.