ELECTRONIC DEVICE AND POWER SUPPLY DEVICE

WIPO Patent Application WO/2022/240039

A1

An electronic device of the present invention comprises: an operation unit including a display; and a power supply circuit unit for supplying power to the operation unit, wherein: the power supply circuit unit comprises a switching unit, a main inductor which is connected to the switching unit, a control unit which controls the switching unit to adjust a current flowing through the main inductor in order to supply power, and an auxiliary inductor which is disposed at one of the input side and output side of the main inductor to compensate for the current characteristics of the power supply circuit unit; the main inductor includes a first coil and a second coil which are wound in opposite directions to each other on a core having a pair of outer legs and a center leg disposed between the pair of outer legs; and the auxiliary inductor includes a third coil which is wound in the same direction as one of the first and second coils on the core.

WO/2017/167699	ELECTRICAL TRANSFORMER WITH WINDINGS
JPS59229809	TRIANGULAR THREE-LEG TYPE THREE-PHASE REACTOR

YANG JUNGWOO (KR)
LEE JINHYUNG (KR)
KIM JAEEUN (KR)
CHOI YOUNGHO (KR)

PCT/KR2022/006237

November 17, 2022

May 02, 2022

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SAMSUNG ELECTRONICS CO LTD (KR)

H01F27/38; H01F27/00; H01F27/24; H02M3/156

WO2018014618A1

2018-01-25

KR20120020325A	2012-03-08
KR20190011477A	2019-02-07
KR20160049374A	2016-05-09
KR101241564B1	2013-03-11

HUH, Sung-won et al. (KR)

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