| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a semiconductor device that can achieve a high switching frequency, and to provide a DC-DC converter. <P>SOLUTION: The semiconductor device includes a device body having a semiconductor substrate mounting part and a first conductor provided around the semiconductor substrate mounting part, and a semiconductor substrate including the DC-DC converter control circuit having a detector to detect at least one of a current flowing through the first conductor and a voltage supplied thereto, and being disposed on the semiconductor substrate mounting part so that the detector comes close to the first conductor. <P>COPYRIGHT: (C)2011,JPO&INPIT |
