| 摘要 |
A flyback AC-DC conversion device and the conversion method thereof are provided. The device includes a rectifier circuit (R), an electronic switch (SW) and a flyback transformer (10) and an automatic charge pumping circuit (20), wherein the flyback transformer (10) is provided with a primary side and a secondary side, wherein the primary side is electrically connected to the rectifier circuit (R) and the electronic switch (SW); and one side of the automatic charge pumping circuit (20) is electrically connected to the secondary side of the flyback transformer (10), and the other side thereof is electrically connected to a load (200) so as to improve the conversion efficiency of a power source and be capable of restraining the ripple of an output voltage. Additionally, further disclosed is a power conversion method for the flyback AC-DC conversion device. |
