FULL-BRIDGE ELECTRONIC BALLAST HAVING SIMPLIFIED CONTINUOUS-CONDUCTION-MODE CHARGE PUMP PFC CIRCUIT

摘要

The configurations of an electronic ballast are provided in thepresent invention. The proposed electronic ballast includes a filtercircuit having a first and a second output terminals, a rectifier circuithaving a first input terminal, a second input terminal coupled to thesecond output terminal of the filter circuit, and a first output terminal, anda continuous-conduction-mode charge pump PFC circuit including a firstinductor having a first terminal coupled to the first input terminal and asecond terminal coupled to the first output terminal of the filter circuit, asecond inductor having a first terminal and a first capacitor having a firstterminal coupled to the first terminal of the first inductor and a secondterminal coupled to the first terminal of the second inductor.