| 摘要 |
PROBLEM TO BE SOLVED: To provide a wiring structure for a sheet type transformer capable of reducing a component packaging area by efficiently dissipating heat by distributing a heat source by a coil that is formed on a printed wiring board while securing leakage inductance of each of sheet type transformers in a power supply device that is formed from a plurality of LLC resonance circuits, and a packaging method therefor.SOLUTION: In the power supply device that is formed from the plurality of LLC resonance circuits, a primary coil and a secondary coil of the sheet type transformer are wired while being divided in different printed wiring board layers, and coils with a great heat generation amount of neighboring sheet type transformers are wired on opposite surface layers.SELECTED DRAWING: Figure 1 |
