| 摘要 |
PURPOSE: A planner type transformer is provided to reduce proximity effect using the proximity effect which only exists in a second sheet where a wire pattern of two turns is generated, thereby reducing current density from corresponding reduced root mean square current flowing in the sheet. CONSTITUTION: A first sheet(100) includes a primary side winding, a secondary side winding arranged in order to be able to insulate with the primary side winding, and a core. A plurality of wire patterns respectively connected to a first diode and a second diode is formed in the secondary side winding. A plurality of wire patterns capable of a current flowing in both sides is formed in a second sheet(200). The second sheet is laminated with the first sheet in order to be able to insulate. A third sheet(300) is laminated with the second sheet in order to be able to insulate. A plurality of wire patterns is formed in which a center tap pin is connected.
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