Power circuit device
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United States of America
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-
Dec 21, 2021
Grant Date -
Apr 11, 2019
app pub date -
Apr 25, 2017
filing date -
Apr 25, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a highly reliable power circuit device. The power circuit device includes a printed substrate, a power circuit, and a housing. The power circuit is formed on the printed substrate. The housing is connected with the printed substrate. The power circuit includes secondary-side switching elements, at least one smoothing choke coil, and smoothing capacitors. Portions of a smoothing choke coil core serving as a core of the smoothing choke coil are inserted in opening portions formed in the printed substrate. A winding of the smoothing choke coil is formed on the printed substrate. The smoothing choke coil is located between a region C in which the smoothing capacitors are arranged and regions A and B serving as a second region in which primary-side switching elements and the secondary-side switching elements serving as electric elements are arranged.
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