公开(公告)号：US10958182B2

公开(公告)日：2021-03-23

申请号：US16732269

申请日：2019-12-31

申请人： SOLUM CO., LTD.

发明人： Sang-keun Ji ,  Sang-kyoo Han ,  Cheol-wan Park ,  Dong-kyun Ryu ,  Heung-gyoon Choi

IPC分类号： H02M3/338 ,  H01F30/04 ,  H01F3/12 ,  H02M3/337 ,  H01F27/06 ,  H01F27/30 ,  H02M3/335 ,  H02M1/00

摘要： A transformer and an LLC resonant converter are provided. The transformer includes first and second cores configured to include a pair of outer foots and a middle foot positioned between the outer foots, and to induce a magnetic field formation; first and second inductor winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the first core, and to be connected in series with each other; and first and second transformer winding parts configured to include a conductor surrounding a circumference of each of the pair of outer foots of the second core, wherein the pair of outer foots of the first core face the pair of outer foots of the second core, the middle foot of the first core faces the middle foot of the second core, and the first core and the second core are disposed to be spaced apart from each other.