THD EMI SMART CONVERTER FOR LAMP CONTROL WITH IMPROVED THD AND EMI AND LAMP CONTROL DEVICE INCLUDING THE SAME

摘要

A converter for a lighting control device for controlling lighting according to embodiments of the present invention is configured to generate a full-wave rectified power from a filter circuit configured to remove a noise component included in an input power source, and an input power source from which a noise component is removed Outputs a dimming control signal for regulating the driving power to the power conversion circuit according to the full-wave rectification circuit being used, the power conversion circuit configured to generate the driving power of the lighting using the full-wave rectified power source, and the dimming level indicating the brightness of the lighting a dimming control circuit configured to: output a first control signal to the full-wave rectifying circuit when the dimming level is less than a first reference value, and in response to the first control signal, a combined capacitance of the full-wave rectifying circuit This reduces the total harmonic distortion (THD) of the converter for lighting control devices.