AU7665091A - Low-profile planar transformer for use in off-line switching power supplies - Google Patents

Low-profile planar transformer for use in off-line switching power supplies

Info

Publication number
AU7665091A
AU7665091A AU76650/91A AU7665091A AU7665091A AU 7665091 A AU7665091 A AU 7665091A AU 76650/91 A AU76650/91 A AU 76650/91A AU 7665091 A AU7665091 A AU 7665091A AU 7665091 A AU7665091 A AU 7665091A
Authority
AU
Australia
Prior art keywords
low
switching power
power supplies
line switching
planar transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU76650/91A
Inventor
Alexander Estrov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Multisource Tech Corp
Original Assignee
Multisource Tech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/502,523 external-priority patent/US5010314A/en
Application filed by Multisource Tech Corp filed Critical Multisource Tech Corp
Publication of AU7665091A publication Critical patent/AU7665091A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/0006—Printed inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Coils Or Transformers For Communication (AREA)
AU76650/91A 1990-03-30 1991-03-18 Low-profile planar transformer for use in off-line switching power supplies Abandoned AU7665091A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US625540 1975-10-25
US07/502,523 US5010314A (en) 1990-03-30 1990-03-30 Low-profile planar transformer for use in off-line switching power supplies
US502523 1990-03-30
US62554090A 1990-12-07 1990-12-07

Publications (1)

Publication Number Publication Date
AU7665091A true AU7665091A (en) 1991-10-30

Family

ID=27054186

Family Applications (1)

Application Number Title Priority Date Filing Date
AU76650/91A Abandoned AU7665091A (en) 1990-03-30 1991-03-18 Low-profile planar transformer for use in off-line switching power supplies

Country Status (5)

Country Link
EP (1) EP0476114B1 (en)
AU (1) AU7665091A (en)
DE (2) DE69117403T2 (en)
HK (1) HK1007829A1 (en)
WO (1) WO1991015861A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0608127A1 (en) * 1993-01-22 1994-07-27 AT&T Corp. Insulation system for magnetic windings having stacked planar conductors
US5754088A (en) * 1994-11-17 1998-05-19 International Business Machines Corporation Planar transformer and method of manufacture
GB9424349D0 (en) * 1994-12-02 1995-01-18 Measurement Tech Ltd Transformers
WO1997001177A1 (en) * 1995-06-22 1997-01-09 Vogt Electronic Ag Selv-generating transformer for supply switches
IT1304341B1 (en) * 1998-01-30 2001-03-15 Rgm Spa PLANAR TRANSFORMER.
TW410353B (en) * 1998-02-13 2000-11-01 Thomson Brandt Gmbh Transformer
FR2802762A1 (en) * 1999-12-17 2001-06-22 Microspire LOW THICKNESS INDUCTIVE COMPONENT
IL136301A (en) 2000-05-22 2005-09-25 Payton Planar Magnetics Ltd Method of insulating a planar transformer printed circuit and lead frame windings forms
IL139714A0 (en) * 2000-11-15 2002-02-10 Payton Planar Magnetics Ltd A bobbin for hybrid coils in planar magnetic components
ITVI20010115A1 (en) * 2001-05-21 2002-11-21 Diego Ghiotto BUILDING SYSTEM OF PLANAR TYPE TRANSFORMERS FOR AKTA FRE CONVERTERS
DE10148133A1 (en) * 2001-09-28 2003-04-24 Ascom Energy Systems Ag Bern Flat transformer with inserted secondary windings
GB2456132B (en) * 2007-12-31 2009-11-25 Kuan Tech Low-profile planar transformer
US10062496B2 (en) * 2015-02-26 2018-08-28 Lear Corporation Planar transformer

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765082A (en) * 1972-09-20 1973-10-16 San Fernando Electric Mfg Method of making an inductor chip
US3848210A (en) * 1972-12-11 1974-11-12 Vanguard Electronics Miniature inductor
DE2917388A1 (en) * 1979-04-28 1980-11-06 Bosch Gmbh Robert Flat transmitter coil unit - has thin film coil formed on ceramic former and with bridge section of ferrite material in middle
CA1177127A (en) * 1980-11-14 1984-10-30 William H. Morong, Iii Miniaturized transformer construction
NL8105195A (en) * 1981-11-17 1983-06-16 Philips Nv INDUCTIVE DEVICE.
JPS59189212U (en) * 1983-05-18 1984-12-15 株式会社村田製作所 chip type inductor
DE3423139A1 (en) * 1983-06-23 1985-01-10 Murata Eria N.A., Inc., Marietta, Ga. Monolithic inductor having transformer applications
GB2163603A (en) * 1984-08-25 1986-02-26 Stc Plc Miniature transformer or choke
FR2615319B1 (en) * 1987-05-15 1989-07-07 Bull Sa HIGH-COUPLING TRANSFORMER SUITABLE FOR A CUT-OUT POWER SUPPLY CIRCUIT AND CUT-OUT POWER SUPPLY CIRCUIT COMPRISING SUCH A TRANSFORMER
DE3718383A1 (en) * 1987-06-02 1988-12-15 Vacuumschmelze Gmbh HIGH FREQUENCY POWER TRANSMITTER
US4864486A (en) * 1988-07-29 1989-09-05 International Business Machines Corporation Plank and frame transformer
US4914561A (en) * 1989-02-03 1990-04-03 Eldec Corporation Dual transformer device for power converters

Also Published As

Publication number Publication date
EP0476114A1 (en) 1992-03-25
HK1007829A1 (en) 1999-04-23
DE69117403D1 (en) 1996-04-04
DE69117403T2 (en) 1996-09-05
DE9114783U1 (en) 1992-03-19
EP0476114B1 (en) 1996-02-28
WO1991015861A1 (en) 1991-10-17

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