JP5698236B2 - 漏れインダクタンス制御を向上させた結合インダクタ - Google Patents

漏れインダクタンス制御を向上させた結合インダクタ Download PDF

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JP5698236B2
JP5698236B2 JP2012524784A JP2012524784A JP5698236B2 JP 5698236 B2 JP5698236 B2 JP 5698236B2 JP 2012524784 A JP2012524784 A JP 2012524784A JP 2012524784 A JP2012524784 A JP 2012524784A JP 5698236 B2 JP5698236 B2 JP 5698236B2
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magnetic element
coupled inductor
magnetic
winding
elements
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Japanese (ja)
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JP2013502074A5 (https=
JP2013502074A (ja
Inventor
アレクサンダー イクリアニコフ，
アレクサンダー イクリアニコフ，
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ボルテラ セミコンダクター コーポレイション
ボルテラ セミコンダクター コーポレイション
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Priority claimed from US12/538,707 external-priority patent/US8102233B2/en
Application filed by ボルテラ セミコンダクター コーポレイション, ボルテラ セミコンダクター コーポレイション filed Critical ボルテラ セミコンダクター コーポレイション
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F2038/006—Adaptations of transformers or inductances for specific applications or functions matrix transformer consisting of several interconnected individual transformers working as a whole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2847—Sheets; Strips
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1584—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Dc-Dc Converters (AREA)
JP2012524784A 2009-08-10 2010-08-10 漏れインダクタンス制御を向上させた結合インダクタ Active JP5698236B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US12/538,707 2009-08-10
US12/538,707 US8102233B2 (en) 2009-08-10 2009-08-10 Coupled inductor with improved leakage inductance control
US12/830,849 2010-07-06
US12/830,849 US8237530B2 (en) 2009-08-10 2010-07-06 Coupled inductor with improved leakage inductance control
PCT/US2010/045013 WO2011019712A1 (en) 2009-08-10 2010-08-10 Coupled inductor with improved leakage inductance control

Publications (3)

Publication Number Publication Date
JP2013502074A JP2013502074A (ja) 2013-01-17
JP2013502074A5 JP2013502074A5 (https=) 2013-08-29
JP5698236B2 true JP5698236B2 (ja) 2015-04-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012524784A Active JP5698236B2 (ja) 2009-08-10 2010-08-10 漏れインダクタンス制御を向上させた結合インダクタ

Country Status (5)

Country Link
US (1) US8237530B2 (https=)
JP (1) JP5698236B2 (https=)
CN (1) CN102576593B (https=)
TW (1) TWI384509B (https=)
WO (1) WO2011019712A1 (https=)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7898379B1 (en) 2002-12-13 2011-03-01 Volterra Semiconductor Corporation Method for making magnetic components with N-phase coupling, and related inductor structures
US8299885B2 (en) 2002-12-13 2012-10-30 Volterra Semiconductor Corporation Method for making magnetic components with M-phase coupling, and related inductor structures
US8674802B2 (en) 2009-12-21 2014-03-18 Volterra Semiconductor Corporation Multi-turn inductors
US7994888B2 (en) * 2009-12-21 2011-08-09 Volterra Semiconductor Corporation Multi-turn inductors
US8174348B2 (en) 2009-12-21 2012-05-08 Volterra Semiconductor Corporation Two-phase coupled inductors which promote improved printed circuit board layout
US8716991B1 (en) 2011-02-28 2014-05-06 Volterra Semiconductor Corporation Switching power converters including air core coupled inductors
US9767947B1 (en) 2011-03-02 2017-09-19 Volterra Semiconductor LLC Coupled inductors enabling increased switching stage pitch
US8772967B1 (en) 2011-03-04 2014-07-08 Volterra Semiconductor Corporation Multistage and multiple-output DC-DC converters having coupled inductors
CN102314998B (zh) * 2011-05-16 2013-06-26 台达电子企业管理（上海）有限公司 集成多相耦合电感器及产生电感的方法
DE102011082045A1 (de) * 2011-09-02 2013-03-07 Schmidhauser Ag Drossel und zugehöriges Herstellungsverfahren
US9373438B1 (en) 2011-11-22 2016-06-21 Volterra Semiconductor LLC Coupled inductor arrays and associated methods
US10128035B2 (en) 2011-11-22 2018-11-13 Volterra Semiconductor LLC Coupled inductor arrays and associated methods
US9263177B1 (en) 2012-03-19 2016-02-16 Volterra Semiconductor LLC Pin inductors and associated systems and methods
US8975995B1 (en) 2012-08-29 2015-03-10 Volterra Semiconductor Corporation Coupled inductors with leakage plates, and associated systems and methods
US9281739B2 (en) 2012-08-29 2016-03-08 Volterra Semiconductor LLC Bridge magnetic devices and associated systems and methods
US9691538B1 (en) 2012-08-30 2017-06-27 Volterra Semiconductor LLC Magnetic devices for power converters with light load enhancers
US9083332B2 (en) 2012-12-05 2015-07-14 Volterra Semiconductor Corporation Integrated circuits including magnetic devices
US9287038B2 (en) 2013-03-13 2016-03-15 Volterra Semiconductor LLC Coupled inductors with non-uniform winding terminal distributions
US9336941B1 (en) 2013-10-30 2016-05-10 Volterra Semiconductor LLC Multi-row coupled inductors and associated systems and methods
US9374001B1 (en) 2015-02-03 2016-06-21 General Electric Company Improving load transient response by adjusting reference current in isolated power converters
US20160247627A1 (en) 2015-02-24 2016-08-25 Maxim Integrated Products, Inc. Low-profile coupled inductors with leakage control
CN107768122B (zh) * 2016-08-19 2022-02-22 马克西姆综合产品公司 用于低电磁干扰的耦合感应器
TWI625742B (zh) * 2016-11-16 2018-06-01 邱煌仁 三相耦合電感
TWI625744B (zh) * 2016-11-16 2018-06-01 邱煌仁 三相耦合電感
JP6930433B2 (ja) * 2018-01-10 2021-09-01 Tdk株式会社 インダクタ素子
JP6991178B2 (ja) * 2019-05-24 2022-01-12 株式会社Soken 電力変換装置
US12342450B2 (en) 2020-01-08 2025-06-24 Delta Electronics (Shanghai) Co., Ltd Power supply apparatus, load and electronic device
CN113098234B (zh) 2020-01-08 2022-11-01 台达电子企业管理（上海）有限公司 供电系统
CN113096933B (zh) 2020-01-08 2022-04-22 台达电子企业管理（上海）有限公司 多相耦合电感、多相耦合电感阵列及两相反耦合电感
US12610453B2 (en) 2020-01-08 2026-04-21 Delta Electronics (Shanghai) Co., Ltd. Vertical power supply system and manufacturing method of connection board
CN113380516B (zh) 2020-03-10 2024-08-30 台达电子企业管理（上海）有限公司 耦合电感及功率模块
CN112216472A (zh) * 2020-09-07 2021-01-12 深圳顺络电子股份有限公司 一种电感排及其制作方法
US11869695B2 (en) 2020-11-13 2024-01-09 Maxim Integrated Products, Inc. Switching power converter assemblies including coupled inductors, and associated methods
US12057767B2 (en) 2021-05-12 2024-08-06 Maxim Integrated Products, Inc. Switching power converters including injection stages, and associated methods

Family Cites Families (97)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2212543A (en) 1938-06-20 1940-08-27 Hartford Nat Bank & Trust Co Polyphase choke coil
DE922423C (de) 1942-08-21 1955-01-17 Aeg Transformator oder Drosselspule mit im oberen Teil stark abgeflachter Strom-Spannungs-Kennlinie
US3448421A (en) * 1967-07-31 1969-06-03 Massachusetts Inst Technology Shielded magnetic core
DE2426270C3 (de) 1974-05-29 1978-04-27 Institut Dr. Friedrich Foerster Pruefgeraetebau, 7410 Reutlingen WirbelstromprUfspulenanordnung
US3878495A (en) 1974-07-02 1975-04-15 Westinghouse Electric Corp Magnetic core for electrical inductive apparatus
DE2653568A1 (de) 1976-11-25 1978-06-01 Vacuumschmelze Gmbh Geschichteter oder gewickelter magnetkern
EP0012629A1 (en) 1978-12-19 1980-06-25 Fanuc Ltd. Electrical reactors
US4488136A (en) 1981-05-18 1984-12-11 Westinghouse Electric Corp. Combination transformer with common core portions
DE3123006A1 (de) 1981-06-10 1983-01-05 Ernst Roederstein Spezialfabrik für Kondensatoren GmbH, 8300 Landshut Transformator
US4455545A (en) 1982-11-05 1984-06-19 Sperry Corporation High frequency output inductor for inverter power supply
US4531085A (en) 1983-06-13 1985-07-23 Power Distribution Inc. Polyphase line voltage regulator
JPS6015908A (ja) 1983-07-06 1985-01-26 Hitachi Metals Ltd 磁心
NL8303994A (nl) 1983-11-10 1985-06-03 Nedap Nv Strooiveldarme lektransformator.
FR2591024B1 (fr) 1985-12-04 1988-01-08 Orega Electro Mecanique Circuit magnetique a faible champ magnetique rayonne, en particulier pour un transformateur haute tension alimentant un tube cathodique
DE3703561A1 (de) 1987-02-06 1988-08-18 Philips Patentverwaltung Induktives bauelement
US4800479A (en) 1988-03-31 1989-01-24 Prime Computer, Inc. High frequency power converter having compact output transformer, rectifier and choke
JPH0779063B2 (ja) 1988-08-15 1995-08-23 三菱電機株式会社 位相調整変圧器
US5123989A (en) 1989-06-14 1992-06-23 Toda Kogyo Corporation Resin-bonding method
US5182535A (en) 1989-12-19 1993-01-26 Dhyanchand P John Summing transformer core for star-delta inverter having a separate secondary winding for each primary winding
US5177460A (en) 1990-01-04 1993-01-05 Dhyanchand P John Summing transformer for star-delta inverter having a single secondary winding for each group of primary windings
GB2252208B (en) 1991-01-24 1995-05-03 Burr Brown Corp Hybrid integrated circuit planar transformer
US5764500A (en) 1991-05-28 1998-06-09 Northrop Grumman Corporation Switching power supply
US5469334A (en) 1991-09-09 1995-11-21 Power Integrations, Inc. Plastic quad-packaged switched-mode integrated circuit with integrated transformer windings and mouldings for transformer core pieces
US5161098A (en) 1991-09-09 1992-11-03 Power Integrations, Inc. High frequency switched mode converter
US6578253B1 (en) 1991-10-04 2003-06-17 Fmtt, Inc. Transformer and inductor modules having directly bonded terminals and heat-sink fins
US5225971A (en) 1992-01-08 1993-07-06 International Business Machines Corporation Three coil bridge transformer
CA2096358A1 (en) 1992-07-02 1994-01-03 Apurba Roy Partial gap magnetic core apparatus
US5565837A (en) 1992-11-06 1996-10-15 Nidec America Corporation Low profile printed circuit board
US5436818A (en) 1994-02-14 1995-07-25 Barthold; Fred O. Full wave buck-boost power converter with buck power converter properties
US5455552A (en) 1994-05-03 1995-10-03 Steward, Inc. Ferrite common mode choke adapted for circuit board mounting
US5939966A (en) 1994-06-02 1999-08-17 Ricoh Company, Ltd. Inductor, transformer, and manufacturing method thereof
US5594402A (en) 1995-06-02 1997-01-14 International Power Group, Inc. High voltage isolating transformer module
CA2180992C (en) 1995-07-18 1999-05-18 Timothy M. Shafer High current, low profile inductor and method for making same
US5619400A (en) 1995-07-18 1997-04-08 Lucent Technologies Inc. Magnetic core structures and construction techniques therefor
US7034645B2 (en) 1999-03-16 2006-04-25 Vishay Dale Electronics, Inc. Inductor coil and method for making same
US6198375B1 (en) 1999-03-16 2001-03-06 Vishay Dale Electronics, Inc. Inductor coil structure
US5631822A (en) 1995-08-24 1997-05-20 Interpoint Corporation Integrated planar magnetics and connector
US6377155B1 (en) 1995-10-10 2002-04-23 Georgia Tech Research Corp. Microfabricated electromagnetic system and method for forming electromagnets in microfabricated devices
US6018468A (en) 1997-04-08 2000-01-25 Eos Corporation Multi-resonant DC-to-DC converter
JPH11144983A (ja) 1997-11-07 1999-05-28 Matsushita Electric Ind Co Ltd チョークコイル及びこれを用いた整流平滑回路
US6114932A (en) 1997-12-12 2000-09-05 Telefonaktiebolaget Lm Ericsson Inductive component and inductive component assembly
TW402725B (en) 1998-01-06 2000-08-21 Alps Electric Co Ltd Core for use in inductive element, transformer and inductor
TW403917B (en) 1998-05-08 2000-09-01 Koninkl Philips Electronics Nv Inductive element
JP3366916B2 (ja) 1999-06-03 2003-01-14 スミダコーポレーション株式会社 インダクタンス素子
US6323626B1 (en) 2000-02-14 2001-11-27 General Motors Corporation DC/DC converter for a fuel cell having a non-linear inductor
US6348848B1 (en) 2000-05-04 2002-02-19 Edward Herbert Transformer having fractional turn windings
US6420953B1 (en) 2000-05-19 2002-07-16 Pulse Engineering. Inc. Multi-layer, multi-functioning printed circuit board
JP3821355B2 (ja) 2000-08-09 2006-09-13 Ｎｅｃトーキン株式会社 チョークコイルおよびその製造方法
US20020067234A1 (en) 2000-12-01 2002-06-06 Samuel Kung Compact surface-mountable inductors
US6784644B2 (en) 2001-02-22 2004-08-31 Virginia Tech Intellectual Properties, Inc. Multiphase clamp coupled-buck converter and magnetic integration
US6362986B1 (en) 2001-03-22 2002-03-26 Volterra, Inc. Voltage converter with coupled inductive windings, and associated methods
FR2824203B1 (fr) 2001-04-27 2003-06-13 Agence Spatiale Europeenne Convertisseur d'alimentation electrique
EP1405322B1 (de) 2001-07-11 2006-09-13 VOGT electronic AG Schwingdrossel
US6538909B2 (en) 2001-12-13 2003-03-25 Enova Systems Universal high efficiency power converter
US6714891B2 (en) 2001-12-14 2004-03-30 Intel Corporation Method and apparatus for thermal management of a power supply to a high performance processor in a computer system
US6714428B2 (en) 2002-03-26 2004-03-30 Delta Electronics Inc. Combined transformer-inductor device for application to DC-to-DC converter with synchronous rectifier
US7280026B2 (en) 2002-04-18 2007-10-09 Coldwatt, Inc. Extended E matrix integrated magnetics (MIM) core
US6906601B2 (en) 2002-07-22 2005-06-14 Rf Tune Inc. Variable phase shifter and a system using variable phase shifter
TW553465U (en) 2002-07-25 2003-09-11 Micro Star Int Co Ltd Integrated inductor
US6774758B2 (en) 2002-09-11 2004-08-10 Kalyan P. Gokhale Low harmonic rectifier circuit
AU2002341687A1 (en) * 2002-09-17 2004-04-08 Pulse Engineering, Inc. Controlled inductance device and method
US6737951B1 (en) 2002-11-01 2004-05-18 Metglas, Inc. Bulk amorphous metal inductive device
US7498920B2 (en) 2002-12-13 2009-03-03 Volterra Semiconductor Corporation Method for making magnetic components with N-phase coupling, and related inductor structures
US7965165B2 (en) 2002-12-13 2011-06-21 Volterra Semiconductor Corporation Method for making magnetic components with M-phase coupling, and related inductor structures
US7352269B2 (en) 2002-12-13 2008-04-01 Volterra Semiconductor Corporation Method for making magnetic components with N-phase coupling, and related inductor structures
US6867678B2 (en) 2003-01-28 2005-03-15 Entrust Power Co., Ltd. Transformer structure
US7280022B2 (en) 2003-06-09 2007-10-09 Minebea Co., Ltd. Inverter transformer
US7307502B2 (en) 2003-07-16 2007-12-11 Marvell World Trade Ltd. Power inductor with reduced DC current saturation
FI115805B (fi) 2003-09-23 2005-07-15 Abb Oy Kuristinjärjestely
GB0325067D0 (en) 2003-10-27 2003-12-03 Goodrich Actuation Systems Ltd Multi-pulse converter circuits
US7187263B2 (en) 2003-11-26 2007-03-06 Vlt, Inc. Printed circuit transformer
US6980077B1 (en) 2004-08-19 2005-12-27 Coldwatt, Inc. Composite magnetic core for switch-mode power converters
US6979980B1 (en) 2004-08-24 2005-12-27 Advanced Energy Industries, Inc. Soft switching interleaved power converter
US7667565B2 (en) 2004-09-08 2010-02-23 Cyntec Co., Ltd. Current measurement using inductor coil with compact configuration and low TCR alloys
JP2006120887A (ja) 2004-10-22 2006-05-11 Sumida Corporation 磁性素子
US7239530B1 (en) 2005-02-17 2007-07-03 Volterra Semiconductor Corporation Apparatus for isolated switching power supply with coupled output inductors
US7876191B2 (en) 2005-02-23 2011-01-25 Flextronics International Usa, Inc. Power converter employing a tapped inductor and integrated magnetics and method of operating the same
US7176662B2 (en) 2005-02-23 2007-02-13 Coldwatt, Inc. Power converter employing a tapped inductor and integrated magnetics and method of operating the same
US7272024B2 (en) 2005-06-08 2007-09-18 Tamura Corporation Synchronized rectification circuit and switching power supply device
US20070097571A1 (en) 2005-07-07 2007-05-03 Intel Corporation Multiphase voltage regulation using paralleled inductive circuits having magnetically coupled inductors
US7199695B1 (en) 2005-10-25 2007-04-03 Virginia Tech Intellectual Properties, Inc. Multiphase voltage regulator having coupled inductors with reduced winding resistance
US7248139B1 (en) 2006-01-30 2007-07-24 Nemic-Lambda Ltd. High-current electrical coil construction
US7233132B1 (en) 2006-01-30 2007-06-19 Virginia Tech Intellectual Properties, Inc. Current sensing in multiple coupled inductors by time constant matching to leakage inductance
US7649434B2 (en) 2006-01-31 2010-01-19 Virginia Tech Intellectual Properties, Inc. Multiphase voltage regulator having coupled inductors with reduced winding resistance
US7423894B2 (en) 2006-03-03 2008-09-09 Advanced Energy Industries, Inc. Interleaved soft switching bridge power converter
EP1835604A1 (en) 2006-03-16 2007-09-19 STMicroelectronics S.r.l. Magnetic core for a coupled multi coil filter inductor
JP2007299915A (ja) * 2006-04-28 2007-11-15 Sumida Corporation 磁性素子
US7301430B1 (en) 2006-05-16 2007-11-27 Lien Chang Electronic Enterprise Co., Ltd. High voltage transformer for controlling inductance leakage
TWM300858U (en) * 2006-05-17 2006-11-11 Taiwan Sumida Electronics Inc Transformer with adjustable leakage inductance
JP4791270B2 (ja) * 2006-06-28 2011-10-12 スミダコーポレーション株式会社 磁性素子
JP4279858B2 (ja) * 2006-07-26 2009-06-17 スミダコーポレーション株式会社 磁性素子
TW200830337A (en) 2007-01-11 2008-07-16 Delta Electronics Inc Multi-lamps driving device and transformer thereof
KR20080070377A (ko) 2007-01-26 2008-07-30 삼성전자주식회사 인버터 트랜스포머 및 이를 구비한 전기/전자기기용 인버터파워 모듈
US7791321B2 (en) 2007-02-23 2010-09-07 Virginia Tech Intellectual Properties, Inc. Coupled-inductor multi-phase buck converters
US8294438B2 (en) 2007-06-30 2012-10-23 Intel Corporation Circuit and method for phase shedding with reverse coupled inductor
US7525406B1 (en) 2008-01-17 2009-04-28 Well-Mag Electronic Ltd. Multiple coupling and non-coupling inductor
US8836463B2 (en) 2008-03-14 2014-09-16 Volterra Semiconductor Corporation Voltage converter inductor having a nonlinear inductance value

Also Published As

Publication number Publication date
US20110032068A1 (en) 2011-02-10
CN102576593B (zh) 2014-12-03
TWI384509B (zh) 2013-02-01
JP2013502074A (ja) 2013-01-17
TW201126550A (en) 2011-08-01
US8237530B2 (en) 2012-08-07
CN102576593A (zh) 2012-07-11
WO2011019712A1 (en) 2011-02-17

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