CIRCUITO DI CONTROLLO DELL¿ACCENSIONE DI UNA LAMPADA A LED E METODO DI CONTROLLO DELL¿ACCENSIONE DI UNA LAMPADA A LED

摘要

An LED lamp lighting control circuit of the present invention is provided with the following: a first input terminal to which is connected one end of a coil of a single-phase alternating current power generator the other end of which is connected to a ground; a second input terminal to which is connected a cathode side of an LED element an anode side of which is connected to the ground; an output terminal to which a load is connected; a ground terminal to which the ground is connected; a first switch element one end of which is connected to the first input terminal and the other end of which is connected to the second input terminal; a first control circuit for controlling the first switch element; a second switch element one end of which is connected to the output terminal and the other end of which is connected to the first input terminal; and a second control circuit for controlling the second switch element.