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公开(公告)号：US12040716B2
公开(公告)日：2024-07-16
申请号：US17642704
申请日：2019-11-21
CPC分类号： H02M3/1586 , H02M1/0048
摘要： A DC/DC converter includes N converters connected in parallel and each having an inductor, a switching element, and a reverse-flow preventing element. Each converter is controlled at phases different from each other and such that a sum of switching frequencies F is out of a first non-selected frequency band. The inductor has an inductance that decreases as the switching frequency F increases. The switching element is controlled using the switching frequency F higher than a second non-selected frequency band of which upper and lower limit frequencies are 1/N of upper and lower limit frequencies of the first non-selected frequency band, and has a total gate charge such that a total loss is smaller than that in a case where the switching frequency F is set to be lower than the second non-selected frequency band.
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