公开(公告)号：WO2021011113A1

公开(公告)日：2021-01-21

申请号：PCT/US2020/036567

申请日：2020-06-08

Applicant: VISHAY DALE ELECTRONICS, LLC

Inventor： EBNER, Jason ,  FOLEY, Matthew

IPC: H01F27/24 ,  H01F27/28 ,  H01F27/29 ,  H01F27/00

Abstract: A combined transformer/inductor device (100) includes a core (10,11; 210) having a central core leg (12; 212) and an outer core leg (13; 213) spaced apart from the central core leg (12; 212), an inner bobbin (20; 220) disposed around the central core leg (12; 212), an outer bobbin (30; 230) disposed around the inner bobbin (20; 220) and the central core leg (12; 212) and having an upper portion having a first oblong portion (32) disposed around the outer core leg (13; 213), a lower portion having a second oblong portion (33) disposed around the outer core leg (13; 213), and a central portion disposed around the inner bobbin (20; 220) and the central core leg (12; 212), a first winding (40) wound around the inner bobbin (20; 220), and a second winding (50) wound around the outer bobbin (30; 230), the second winding (50) having a first portion wound around the first oblong portion (32), a second portion wound around the central portion, and a third portion wound around the second oblong portion (33).