| 摘要 |
A line filter for a switching power supply, the switching power supply including rectifier means 3 configured to rectify an AC voltage, a transformer 7 configured to transform the voltage rectified by the rectifier means 3, switching means 8 configured to drive the transformer 7, and radiation means 9 configured to radiate heat generated during operation of the switching means 8, the line filter comprising a capacitive element 13, 14 connected between voltage supply lines to which the rectifier means 3 and the transformer 7 are connected, and a current path configured to allow a noise current to flow between the transformer 7 and the capacitive element 13, 14. |
