DE69627909T2 - Regelung der in den Transformatoren von Schaltnetzteilen gepseicherten Energie - Google Patents

Regelung der in den Transformatoren von Schaltnetzteilen gepseicherten Energie

Info

Publication number
DE69627909T2
DE69627909T2 DE69627909T DE69627909T DE69627909T2 DE 69627909 T2 DE69627909 T2 DE 69627909T2 DE 69627909 T DE69627909 T DE 69627909T DE 69627909 T DE69627909 T DE 69627909T DE 69627909 T2 DE69627909 T2 DE 69627909T2
Authority
DE
Germany
Prior art keywords
transformers
regulation
switching power
power supplies
energy stored
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.)
Expired - Fee Related
Application number
DE69627909T
Other languages
English (en)
Other versions
DE69627909D1 (de
Inventor
Patrizio Vinciarelli
Jay Prager
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.)
Vicor Corp
Original Assignee
VLT 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
Application filed by VLT Corp filed Critical VLT Corp
Publication of DE69627909D1 publication Critical patent/DE69627909D1/de
Application granted granted Critical
Publication of DE69627909T2 publication Critical patent/DE69627909T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • 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
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • 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
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • H02M1/346—Passive non-dissipative snubbers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
DE69627909T 1995-01-17 1996-01-09 Regelung der in den Transformatoren von Schaltnetzteilen gepseicherten Energie Expired - Fee Related DE69627909T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37311295A 1995-01-17 1995-01-17

Publications (2)

Publication Number Publication Date
DE69627909D1 DE69627909D1 (de) 2003-06-12
DE69627909T2 true DE69627909T2 (de) 2003-11-13

Family

ID=23471012

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69627909T Expired - Fee Related DE69627909T2 (de) 1995-01-17 1996-01-09 Regelung der in den Transformatoren von Schaltnetzteilen gepseicherten Energie

Country Status (4)

Country Link
US (2) US5805434A (de)
EP (2) EP0723331B1 (de)
JP (1) JP2781768B2 (de)
DE (1) DE69627909T2 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1141927A (ja) * 1997-07-16 1999-02-12 Fujitsu Ltd Ｄｃ／ｄｃコンバータ
US6110213A (en) * 1997-11-06 2000-08-29 Vlt Coporation Fabrication rules based automated design and manufacturing system and method
FR2773013B1 (fr) * 1997-12-23 2000-03-03 Sextant Avionique Procede de commande d'un convertisseur de tension continu-continu a stockage inductif
WO2001018946A1 (en) * 1999-09-03 2001-03-15 Lambda Electronics Inductor current sensing
US6282107B1 (en) 2000-03-07 2001-08-28 Vlt Corporation Integrated sense and switch circuitry for transformer core resetting
US6658051B1 (en) * 2000-10-31 2003-12-02 Centillium Communications, Inc. Electrical isolation techniques for DSL modem
SE520159C2 (sv) 2001-01-26 2003-06-03 Ericsson Telefon Ab L M Anordning för avmagnetisering av en transformator
US6496392B2 (en) * 2001-04-13 2002-12-17 Power Integrations, Inc. Dissipative clamping of an electrical circuit with a clamp voltage varied in response to an input voltage
JP3528921B2 (ja) * 2001-08-29 2004-05-24 サンケン電気株式会社 スイッチング電源装置
JP3839737B2 (ja) * 2002-03-01 2006-11-01 株式会社小糸製作所 直流電圧変換回路
EP1495532B1 (de) * 2002-04-12 2014-09-24 DET International Holding Limited Sanftschaltender wandler mit stromformung
US20060097652A1 (en) * 2003-01-14 2006-05-11 Koninklijke Philips Electronics N.V. Circuit and method for providing power to a load, especially a high-intensity discharge lamp
DE102004033994B4 (de) * 2003-07-16 2017-07-27 Denso Corporation Gleichstrom-Gleichstrom-Wandler
FR2861916A1 (fr) * 2003-10-31 2005-05-06 St Microelectronics Sa Commande d'un transistor mos en element de redressement
TWI265670B (en) * 2004-02-20 2006-11-01 Skynet Electronic Co Ltd Flyback converter capable of performing a zero voltage switch in boundary mode
TWI299935B (en) * 2004-12-28 2008-08-11 Monolithic Power Systems Inc Switch mode power supply and switching requlator using an actively controlled damping device for suppressing circuit noise and ringing due to parasitic elements
US8036539B2 (en) * 2005-06-28 2011-10-11 Finisar Corporation Gigabit ethernet longwave optical transceiver module having amplified bias current
JP4739059B2 (ja) 2006-02-23 2011-08-03 ルネサスエレクトロニクス株式会社 Ｄｃ／ｄｃコンバータ用半導体装置
KR101165386B1 (ko) 2006-06-13 2012-07-12 페어차일드코리아반도체 주식회사 준공진형 컨버터 및 그 제어 방법
KR101370650B1 (ko) 2007-04-25 2014-03-10 페어차일드코리아반도체 주식회사 스위치 제어 장치, 스위치 제어 방법 및 이를 이용하는컨버터 및 그 구동방법
GB2448758A (en) * 2007-04-27 2008-10-29 Cambridge Semiconductor Ltd A switching power converter with reduced collector dv/dt
KR101129391B1 (ko) 2007-08-13 2012-03-28 삼성전자주식회사 수동 클램프 회로를 갖는 스위칭 모드 전원공급장치
JP5157987B2 (ja) * 2009-03-25 2013-03-06 株式会社豊田自動織機 絶縁形ｄｃ−ｄｃコンバータ
EP2244383A1 (de) * 2009-04-23 2010-10-27 Mitsubishi Electric R&D Centre Europe B.V. Verfahren und Vorrichtung zur Steuerung einer Dämpferschaltung
US8385087B2 (en) * 2009-09-17 2013-02-26 Linear Technology Corporation Extending achievable duty cycle range in DC/DC forward converter with active clamp reset
TWI389438B (zh) * 2009-11-02 2013-03-11 Analog Integrations Corp 高轉換效率之電壓轉換器
US8139379B2 (en) * 2010-02-17 2012-03-20 Fsp Technology Inc. Reverse energy recovery circuit
US8743523B2 (en) 2010-07-28 2014-06-03 General Electric Company Systems, methods, and apparatus for limiting voltage across a switch
US9112498B2 (en) 2011-11-01 2015-08-18 Dialog Semiconductor Inc. Dynamic MOSFET gate drivers
US8982584B2 (en) 2011-11-15 2015-03-17 Dialog Semiconductor Inc. Power supply regulation for ultra-low load and no-load operation
US8964422B2 (en) 2011-11-16 2015-02-24 Dialog Semiconductor Inc. EMI frequency spreading method for switching power converter
JP6224994B2 (ja) * 2013-11-01 2017-11-01 キヤノン株式会社 情報処理装置およびその制御方法
US9973098B2 (en) * 2015-08-19 2018-05-15 Astec International Limited Fixed frequency discontinuous conduction mode flyback power converters employing zero voltage switching
US10141853B2 (en) * 2017-02-09 2018-11-27 Delta Electronics, Inc. Power converter and method of control thereof
US10333418B2 (en) * 2017-04-10 2019-06-25 Delta Electronics (Shanghai) Co., Ltd Control device and control method
CN109155591B (zh) * 2017-04-28 2023-04-14 雅达电子国际有限公司 包括用于调整谐振频率的自适应箝位电路的反激式功率变换器
US10418912B2 (en) 2017-12-21 2019-09-17 Silanna Asia Pte Ltd Power converter with active clamp
US10707766B2 (en) 2018-02-02 2020-07-07 Silanna Asia Pte Ltd Integrated self-driven active clamp
US10461626B1 (en) 2019-01-14 2019-10-29 Silanna Asia Pte Ltd Active clamp circuit
TWI709291B (zh) * 2019-04-26 2020-11-01 全漢企業股份有限公司 電源轉換器及其控制電路
US10673342B1 (en) 2019-05-02 2020-06-02 Silanna Asia Pte Ltd Active clamping with bootstrap circuit
US11411510B2 (en) * 2020-01-24 2022-08-09 Lear Corporation DC/AC inverter resonance topology
CN113852272A (zh) 2020-06-26 2021-12-28 马克西姆综合产品公司 通量校正开关电源转换器

Family Cites Families (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1672215A (en) 1923-08-15 1928-06-05 Western Electric Co Wave varying and transmitting
US3311805A (en) 1964-11-02 1967-03-28 Kittl Emil Asymmetrical low voltage converter
FR96147E (fr) 1967-09-14 1972-05-19 Ibm Convertisseur améliore de courant continu en courant continu avec alimentation constante vers la charge.
US3538353A (en) 1967-10-13 1970-11-03 Gen Electric Switching circuit
US3490027A (en) 1967-12-05 1970-01-13 Ibm Transistor converter amplifier circuit
SE377988B (de) 1968-10-16 1975-08-04 P E K Udden
NL7309056A (de) 1973-06-29 1974-12-31
US4063306A (en) 1976-09-24 1977-12-13 General Electric Company Actively switched damping circuit
US4168477A (en) 1978-02-21 1979-09-18 Gould Advance Limited Electric regulators
US4186434A (en) 1978-03-23 1980-01-29 The United States Of America As Represented By The Secretary Of The Army Means for producing and controlling dead-time of the switching transistors DC-to-DC and DC-to-AC converters
US4178628A (en) 1978-05-12 1979-12-11 R & I Patent Corporation Switching type regulated power supply
JPS5840913B2 (ja) 1978-11-16 1983-09-08 横河電機株式会社 一般化ｄｃ／ｄｃコンバ−タ
US4318164A (en) * 1979-03-15 1982-03-02 Tokyo Shibaura Denki Kabushiki Kaisha High frequency switching circuit having preselected parameters to reduce power dissipation therein
JPS5826381B2 (ja) * 1979-04-28 1983-06-02 信越ポリマ−株式会社 電磁気シ−ルドガスケットおよびその製造方法
JPS5911257B2 (ja) 1979-12-19 1984-03-14 恒男 池上 Ｄｃ−ｄｃコンバ−タ
US4300191A (en) 1980-01-31 1981-11-10 Powercube Corporation Pulse width modulated current fed inverter power supply
JPS605144B2 (ja) 1980-04-01 1985-02-08 日本電信電話株式会社 電力転送装置
SU892614A1 (ru) 1980-04-11 1981-12-23 Московский Ордена Ленина Энергетический Институт Однотактный регул тор посто нного напр жени
US4347474A (en) 1980-09-18 1982-08-31 The United States Of America As Represented By The Secretary Of The Navy Solid state regulated power transformer with waveform conditioning capability
SU959234A1 (ru) 1981-02-27 1982-09-15 Московский Ордена Ленина Энергетический Институт Устройство дл регулировани напр жени
US4415959A (en) 1981-03-20 1983-11-15 Vicor Corporation Forward converter switching at zero current
SU1003067A1 (ru) 1981-04-01 1983-03-07 Московский Ордена Ленина И Ордена Октябрьской Революции Энергетический Институт Однотактный регул тор посто нного напр жени
GB2097606B (en) 1981-04-23 1984-04-18 Standard Telephones Cables Ltd Dc to dc converter
SU989552A1 (ru) 1981-07-13 1983-01-15 Московский Ордена Ленина И Ордена Октябрьской Революции Энергетический Институт Стабилизированный однотактный преобразователь
US4441146A (en) * 1982-02-04 1984-04-03 Vicor Corporation Optimal resetting of the transformer's core in single ended forward converters
SU1107233A1 (ru) 1983-01-03 1984-08-07 Московский Ордена Ленина И Ордена Октябрьской Революции Энергетический Институт Преобразователь посто нного напр жени
SU1136275A1 (ru) 1983-01-07 1985-01-23 Московский Ордена Ленина И Ордена Октябрьской Революции Энергетический Институт Импульсный регул тор посто нного напр жени
US4607323A (en) 1984-04-17 1986-08-19 Sokal Nathan O Class E high-frequency high-efficiency dc/dc power converter
SU1224921A1 (ru) 1984-06-11 1986-04-15 Московский Ордена Ленина И Ордена Октябрьской Революции Энергетический Институт Преобразователь посто нного напр жени в посто нное
US4611267A (en) * 1985-02-25 1986-09-09 General Electric Company Snubber arrangements with energy recovery for power converters using self-extinguishing devices
DE3616160A1 (de) * 1986-05-14 1987-11-19 Deutsche Automobilgesellsch Dc/dc-eintaktdurchflusswandler
SU1367112A1 (ru) 1986-07-25 1988-01-15 Московский энергетический институт Преобразователь посто нного напр жени в посто нное
US4928200A (en) 1987-04-02 1990-05-22 Cherry Semiconductor Corporation Overcurrent protection for switching mode power converter
US4788634A (en) * 1987-06-22 1988-11-29 Massachusetts Institute Of Technology Resonant forward converter
US4857822A (en) 1987-09-23 1989-08-15 Virginia Tech Intellectual Properties, Inc. Zero-voltage-switched multi-resonant converters including the buck and forward type
US4809148A (en) 1987-10-21 1989-02-28 British Columbia Telephone Company Full-fluxed, single-ended DC converter
US4870554A (en) * 1987-11-12 1989-09-26 Power Systems, Inc. Active snubber forward converter
GB8816282D0 (en) * 1988-07-08 1988-08-10 Ogeden K H f switch inductor power supply
US4931716A (en) 1989-05-05 1990-06-05 Milan Jovanovic Constant frequency zero-voltage-switching multi-resonant converter
US5019957A (en) * 1989-07-24 1991-05-28 Wilkinson Bruce L Forward converter type of switched power supply
US4975821A (en) * 1989-10-10 1990-12-04 Lethellier Patrice R High frequency switched mode resonant commutation power supply
JPH0748944B2 (ja) * 1989-10-14 1995-05-24 東光株式会社 Ｄｃ―ｄｃコンバータ
US4959764A (en) 1989-11-14 1990-09-25 Computer Products, Inc. DC/DC converter switching at zero voltage
US5038264A (en) * 1990-06-11 1991-08-06 General Electric Company Multiple-output, single-ended, resonant power converter
US5126931A (en) 1990-09-07 1992-06-30 Itt Corporation Fixed frequency single ended forward converter switching at zero voltage
US5173846A (en) 1991-03-13 1992-12-22 Astec International Ltd. Zero voltage switching power converter
US5291382A (en) 1991-04-10 1994-03-01 Lambda Electronics Inc. Pulse width modulated DC/DC converter with reduced ripple current coponent stress and zero voltage switching capability
DE4121942A1 (de) * 1991-07-03 1993-01-07 Ant Nachrichtentech Resonanzwandler
US5374857A (en) 1992-05-29 1994-12-20 Sgs-Thomson Microelectronics, Inc. Circuit for providing drive current to a motor using a sensefet current sensing device and a fast amplifier
US5282123A (en) * 1992-12-16 1994-01-25 At&T Bell Laboratories Clamped mode DC-DC converter
US5434768A (en) * 1993-02-12 1995-07-18 Rompower Fixed frequency converter switching at zero voltage
US5303138A (en) 1993-04-29 1994-04-12 At&T Bell Laboratories Low loss synchronous rectifier for application to clamped-mode power converters
EP0627810B1 (de) * 1993-05-31 1996-12-18 STMicroelectronics S.r.l. Abschaltbarer Halbbrücken-Austragszeit-Regler unter Verwendung eines einzelnen Kondensators
US5424933A (en) * 1994-01-03 1995-06-13 Avionic Instruments, Inc. Resonant forward converter circuit with control circuit for controlling switching transistor on and off times
US5486752A (en) * 1994-06-17 1996-01-23 Center For Innovative Technology** Zero-current transition PWM converters
US5774350A (en) 1995-04-07 1998-06-30 Sgs-Thomson Microelectronics S.A. Integrated low dissipation power controller
JP2795217B2 (ja) 1995-06-01 1998-09-10 日本電気株式会社 同期整流方式コンバータ
US5973939A (en) 1996-08-29 1999-10-26 Trw Inc. Double forward converter with soft-PWM switching
US5814884C1 (en) 1996-10-24 2002-01-29 Int Rectifier Corp Commonly housed diverse semiconductor die
US5886383A (en) 1997-01-10 1999-03-23 International Rectifier Corporation Integrated schottky diode and mosgated device
US6121545A (en) * 1997-07-11 2000-09-19 Parker-Hannifin Corporation Low closure force EMI shielding spacer gasket
US5812383A (en) 1997-07-31 1998-09-22 Philips Electronics North North America Corporation Low power stand-by for switched-mode power supply circuit with burst mode operation
WO1999041963A1 (en) * 1998-02-17 1999-08-19 Parker-Hannifin Corporation Emi shielded vent panel and method

Also Published As

Publication number Publication date
EP0723331A3 (de) 1997-04-23
EP0723331B1 (de) 2003-05-07
EP0723331A2 (de) 1996-07-24
EP1278295A3 (de) 2004-12-29
US5805434A (en) 1998-09-08
JPH0937548A (ja) 1997-02-07
USRE38196E1 (en) 2003-07-22
DE69627909D1 (de) 2003-06-12
EP1278295A2 (de) 2003-01-22
JP2781768B2 (ja) 1998-07-30

Similar Documents

Publication Publication Date Title
DE69627909T2 (de) Regelung der in den Transformatoren von Schaltnetzteilen gepseicherten Energie
DE69609681D1 (de) Schaltnetzteil
DE69615504T2 (de) Schaltleistungsversorgungseinrichtung
DE69329420D1 (de) In situ implantierter biologischer stromgenerator
DE69420672D1 (de) Leistungsschaltung
DE59800934D1 (de) Schaltnetzteil mit regelung der netzstromaufnahme
DE59502158D1 (de) Schaltnetzteil mit verringerter Oberwellenbelastung des Netzes
DE59701533D1 (de) Getaktete stromversorgung von schaltnetzteilen
DE69306817D1 (de) Schaltnetzteil
DE69311971T2 (de) Spannungserhöhender Leistungswandler
DE69317194D1 (de) Schaltnetzteil
DE69507970D1 (de) Schaltnetzteil
DE69502665T4 (de) Umrichter-Schaltnetzteil
DE59502889D1 (de) Schaltnetzteil
DE69310584D1 (de) Leistungsregelung
DE59710323D1 (de) Schaltnetzteil mit verringerter Oberwellenbelastung des Netzes
DE69628058D1 (de) Schaltnetzteil
DE69418566D1 (de) Schaltnetzteil
DE69531868D1 (de) Schaltnetzteil
KR970004330A (ko) 레귤레이터 회로 및 이 레귤레이터 회로를 사용한 다출력스위칭 전원 장치
DE59107667D1 (de) Sperrwandler-Schaltnetzteil
DE59507685D1 (de) Schaltnetzteil
DE4497667T1 (de) Schaltnetzteil
KR960027859U (ko) 전압 절체 기능을 갖는 전원공급장치
KR970007378U (ko) 100/220볼트 겸용 교류직접 스위칭 모드 전원공급기

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: VLT, INC., SUNNYVALE, CALIF., US

8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8339 Ceased/non-payment of the annual fee