| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a power supply device which exhibits excellent heat radiation capability concerning the radiation of heat from a first core by devising the structure of fitting to a radiator of a core body comprising a first core having plural leg portions, at least one of which has coils wound around, and a second core disposed so as to face the tips of the leg portions. <P>SOLUTION: The power supply device comprises: a heat sink 3 including a heat receiving plane 4a; a core base 12, one face of which is constructed as a heat transfer plane 12a, the heat transfer plane 12a being formed so as to abut on the heat receiving plane 4a; and a core body 10 consisting of an E core 11A, formed on the core base 12 as one body and protruding from other faces of the core base 12, which includes a plurality of leg portions 13a to 13c, at least one of which has coils 19a and 19b wound around, and an I core 15A which is disposed so as to face the core base 12 via the leg portions 13a to 13c. <P>COPYRIGHT: (C)2013,JPO&INPIT |
