| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply device that implements a small size, high efficiency and reduced power noise while implementing a high current.SOLUTION: The power supply device includes: a primary side circuit including two primary windings; a secondary side circuit including two secondary windings and switching elements for synchronous rectification; a first transformer coupling one of the two primary windings with one of the two secondary windings; a second transformer coupling the other of the two primary windings with the other of the two secondary windings; and a first substrate with both output end portions of one of the two secondary windings and both output end portions of the other of the two secondary windings oppositely arranged on which the switching elements for synchronous rectification are arranged in a region between the first transformer and the second transformer. |
