| 摘要 |
There is provided an electric circuit including a semiconductor switch that is inserted in a positive side power line; and converting means for converting an input voltage input to an input side terminal to a predetermined output voltage and for outputting the output voltage from an output side terminal, wherein the output side negative terminal of the converting means is connected to the positive side power line, and the output side positive terminal of the converting means is connected to a terminal that controls an opening and closing of the semiconductor switch. |
