| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply circuit capable of reduction of normal mode noise which has been required in the prior art.SOLUTION: A power supply circuit includes a first input terminal, a second input terminal, a first inductor, a second inductor, a third inductor, a first switching element, a second switching element, a first capacitor, a second capacitor, a first output terminal, and a second output terminal. A first end of the second inductor is connected to a path for connecting the first input terminal and the first connection point, a second end of the second capacitor is connected to a path for connecting the second input terminal and the second connection point, the first inductor and the second inductor are magnetically coupled with each other, a first end of the third inductor and a second end of the second inductor are connected to each other, and a second end of the third inductor and a first end of the second capacitor are connected to each other.SELECTED DRAWING: Figure 1 |
