EP1943717A4 - Switching control circuit with variable switching frequency for primary-side-controlled power converters - Google Patents

Switching control circuit with variable switching frequency for primary-side-controlled power converters

Info

Publication number
EP1943717A4
EP1943717A4 EP05795420A EP05795420A EP1943717A4 EP 1943717 A4 EP1943717 A4 EP 1943717A4 EP 05795420 A EP05795420 A EP 05795420A EP 05795420 A EP05795420 A EP 05795420A EP 1943717 A4 EP1943717 A4 EP 1943717A4
Authority
EP
European Patent Office
Prior art keywords
primary
control circuit
power converters
controlled power
switching control
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.)
Withdrawn
Application number
EP05795420A
Other languages
German (de)
French (fr)
Other versions
EP1943717A1 (en
Inventor
Ta-Yung Yang
Guo-Kiang Hung
Jenn-Yu G Lin
Fengcheng Tsao
Shao-Wei Chiu
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.)
Fairchild Taiwan Corp
Original Assignee
System General Corp Taiwan
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 System General Corp Taiwan filed Critical System General Corp Taiwan
Publication of EP1943717A1 publication Critical patent/EP1943717A1/en
Publication of EP1943717A4 publication Critical patent/EP1943717A4/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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
    • H02M3/33523—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 with galvanic isolation between input and output of both the power stage and the feedback loop
EP05795420A 2005-10-09 2005-10-09 Switching control circuit with variable switching frequency for primary-side-controlled power converters Withdrawn EP1943717A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2005/001654 WO2007041896A1 (en) 2005-10-09 2005-10-09 Switching control circuit with variable switching frequency for primary-side-controlled power converters

Publications (2)

Publication Number Publication Date
EP1943717A1 EP1943717A1 (en) 2008-07-16
EP1943717A4 true EP1943717A4 (en) 2011-10-12

Family

ID=37942290

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05795420A Withdrawn EP1943717A4 (en) 2005-10-09 2005-10-09 Switching control circuit with variable switching frequency for primary-side-controlled power converters

Country Status (4)

Country Link
EP (1) EP1943717A4 (en)
JP (1) JP4733186B2 (en)
KR (1) KR101040159B1 (en)
WO (1) WO2007041896A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008312359A (en) * 2007-06-15 2008-12-25 Panasonic Corp Switching power supply device and regulation circuit
TWI379496B (en) * 2010-04-02 2012-12-11 Macroblock Inc Isolated primary side regulator
TWI419469B (en) * 2010-08-04 2013-12-11 Macroblock Inc Regulator and synchronized pulse generator thereof
JP5483755B2 (en) * 2011-03-16 2014-05-07 株式会社 ハイヂィープ Current control power supply device
GB2490542A (en) * 2011-05-06 2012-11-07 Texas Instr Cork Ltd Sensing arrangement for estimating the output voltage of an isolated flyback converter
KR101336929B1 (en) * 2012-01-04 2013-12-03 (주) 강동테크 Converter using solid condenser

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005011095A1 (en) * 2003-07-28 2005-02-03 System General Corp. Primary-side controlled flyback power converter
US20050073862A1 (en) * 2003-10-02 2005-04-07 Alexander Mednik Switching power converter and method of controlling output voltage thereof using predictive sensing of magnetic flux

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3022246B2 (en) * 1995-04-17 2000-03-15 松下電器産業株式会社 Switching power supply
JPH09117134A (en) * 1995-10-17 1997-05-02 Murata Mfg Co Ltd Switching power supply
US5903452A (en) * 1997-08-11 1999-05-11 System General Corporation Adaptive slope compensator for current mode power converters
JP3337009B2 (en) * 1999-07-02 2002-10-21 株式会社村田製作所 Switching power supply
JP3426570B2 (en) * 1999-11-29 2003-07-14 松下電器産業株式会社 Switching power supply
US6204649B1 (en) * 2000-03-16 2001-03-20 Micrel Incorporated PWM regulator with varying operating frequency for reduced EMI
JP2002354801A (en) * 2001-05-28 2002-12-06 Sanken Electric Co Ltd Switching power supply device
AU2002354249A1 (en) * 2001-11-29 2003-06-10 Iwatt Power converters with primary-only feedback
JP3488709B2 (en) * 2001-12-12 2004-01-19 株式会社東芝 Switching power supply
CN2552047Y (en) * 2002-06-19 2003-05-21 深圳市跨宏实业有限公司 Switch power with wide input voltage range
JP4155211B2 (en) * 2003-08-18 2008-09-24 株式会社村田製作所 Switching power supply
US7054170B2 (en) * 2004-01-05 2006-05-30 System General Corp. Power-mode controlled power converter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005011095A1 (en) * 2003-07-28 2005-02-03 System General Corp. Primary-side controlled flyback power converter
US20050073862A1 (en) * 2003-10-02 2005-04-07 Alexander Mednik Switching power converter and method of controlling output voltage thereof using predictive sensing of magnetic flux

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007041896A1 *

Also Published As

Publication number Publication date
WO2007041896A1 (en) 2007-04-19
EP1943717A1 (en) 2008-07-16
KR20080066000A (en) 2008-07-15
JP2009512406A (en) 2009-03-19
KR101040159B1 (en) 2011-06-09
JP4733186B2 (en) 2011-07-27

Similar Documents

Publication Publication Date Title
GB2437043B (en) Switching power converter employing pulse frequency modulation control
EP1618443A4 (en) Control loop for switching power converters
EP1782145A4 (en) Soft switching interleaved power converter
EP1962412A4 (en) Power converter
EP1994320A4 (en) Wave control circuit
TWI348603B (en) Digital-to-analog converter with programmable current control
GB0708112D0 (en) Switching power converters
EP2051363A4 (en) Power conversion circuit
GB0706879D0 (en) Power switches
EP1838006A4 (en) High frequency switch
GB2434491B (en) Power control circuit
EP2096766A4 (en) High-frequency switch circuit
EP2091153A4 (en) Voltage switching circuit
EP2066035A4 (en) Oscillation frequency control circuit
GB0417456D0 (en) Low power radio
EP1943717A4 (en) Switching control circuit with variable switching frequency for primary-side-controlled power converters
TWI319938B (en) Switch control circuit, modulation circuit and modulation ad converter
EP2128987A4 (en) Oscillation frequency control circuit
EP1943718A4 (en) Switching control circuit for primary-side controlled power converters
EP1880466A4 (en) Electric power converter
TWI316176B (en) Power switch circuit
GB2439114B (en) Power switching control apparatus
EP1864373A4 (en) Solid state switching circuit
GB2431999B (en) Switching circuit for controlling multiple heating elements
PL1622248T3 (en) Power converter circuit

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080409

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE NL

RBV Designated contracting states (corrected)

Designated state(s): DE NL

A4 Supplementary search report drawn up and despatched

Effective date: 20110908

RIC1 Information provided on ipc code assigned before grant

Ipc: H02M 3/22 20060101AFI20110902BHEP

Ipc: H02M 3/335 20060101ALI20110902BHEP

DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20170413