| 摘要 |
According to one embodiment, a semiconductor device includes a part or entirety of a switching power supply, at least one semiconductor element, and at least one line composed of a inner conductor and a soft magnetic member sheathing the inner conductor. The semiconductor device further includes, for example, a circuit substrate on which the part or entirety of the switching power supply and the semiconductor elements are mounted. The lines are mounted on the circuit substrate. |
