Power Supply Device and Illumination Device
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United States of America Patent
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N/A
Issued Date -
Feb 12, 2015
app pub date -
Mar 19, 2014
filing date -
Aug 12, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
According to one embodiment, a power supply device includes a substrate, a first inductor, and a second inductor. The substrate has a first surface and a second surface on opposite side from the first surface. The first inductor includes a first coil having a coil center axis substantially parallel to a first direction, is used for a switching circuit for controlling power supplied to a load, and is mounted on the first surface of the substrate. The second inductor includes a second coil having a coil center axis substantially parallel to the first direction, is electrically connected to the first inductor, and is mounted on the second surface of the substrate. As viewed in a direction orthogonal to the first surface, position of the first coil of the first inductor does not overlap position of the second coil of the second inductor.
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