US 12,068,096 B2
Inductor and DC converter including same
Seok Bae, Seoul (KR); Jai Hoon Yeom, Seoul (KR); and Jung Hwan Choi, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Appl. No. 17/624,032
Filed by LG INNOTEK CO., LTD., Seoul (KR)
PCT Filed Jul. 2, 2020, PCT No. PCT/KR2020/008640
§ 371(c)(1), (2) Date Dec. 30, 2021,
PCT Pub. No. WO2021/006539, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 10-2019-0082501 (KR), filed on Jul. 9, 2019.
Prior Publication US 2022/0392685 A1, Dec. 8, 2022
Int. Cl. H01F 27/28 (2006.01); H01F 27/24 (2006.01); H02M 3/158 (2006.01)
CPC H01F 27/24 (2013.01) [H01F 27/28 (2013.01); H02M 3/1586 (2021.05)] 16 Claims
OG exemplary drawing
 
1. An inductor comprising:
a plurality of first E-type cores, each of which has a base and a center leg extending in a first direction from the base;
a coil wound around the center leg of each of the plurality of first E-type cores; and
a first I-type core arranged to face a center leg of any one of the plurality of first E-type cores,
wherein the plurality of first E-type cores and the first I-type core are arranged in a line in the first direction,
wherein a first thickness of the base of at least one of the plurality of first E-type cores is smaller than a second thickness of the I-type core in the first direction, and
wherein the second thickness is equal to or greater than 120% of the first thickness and less than 150% of the first thickness.