CN100546157C - 开关控制电路 - Google Patents
开关控制电路 Download PDFInfo
- Publication number
- CN100546157C CN100546157C CNB2006101395189A CN200610139518A CN100546157C CN 100546157 C CN100546157 C CN 100546157C CN B2006101395189 A CNB2006101395189 A CN B2006101395189A CN 200610139518 A CN200610139518 A CN 200610139518A CN 100546157 C CN100546157 C CN 100546157C
- Authority
- CN
- China
- Prior art keywords
- circuit
- switch element
- signal
- blocking interval
- 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.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims abstract description 84
- 230000000903 blocking effect Effects 0.000 claims abstract description 67
- 238000012360 testing method Methods 0.000 claims description 42
- 230000001939 inductive effect Effects 0.000 claims description 10
- 208000003443 Unconsciousness Diseases 0.000 abstract description 18
- 239000003990 capacitor Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 10
- 230000000630 rising effect Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 241000220317 Rosa Species 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006018308A JP4753729B2 (ja) | 2006-01-27 | 2006-01-27 | スイッチング制御回路 |
JP2006018308 | 2006-01-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101009467A CN101009467A (zh) | 2007-08-01 |
CN100546157C true CN100546157C (zh) | 2009-09-30 |
Family
ID=38321401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006101395189A Expired - Fee Related CN100546157C (zh) | 2006-01-27 | 2006-09-15 | 开关控制电路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7439719B2 (zh) |
JP (1) | JP4753729B2 (zh) |
CN (1) | CN100546157C (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010022097A (ja) * | 2008-07-09 | 2010-01-28 | Panasonic Corp | スイッチング制御回路、半導体装置、およびスイッチング電源装置 |
US9093993B2 (en) * | 2008-07-31 | 2015-07-28 | System General Corp. | Power saving circuit for PWM circuit |
JP2011015557A (ja) * | 2009-07-02 | 2011-01-20 | Panasonic Corp | スイッチング電源装置およびスイッチング電源制御用半導体装置 |
CN102655368A (zh) * | 2012-05-02 | 2012-09-05 | 常州大学 | 开关电源的恒定关断时间控制方法及其装置 |
US9214862B2 (en) * | 2014-04-17 | 2015-12-15 | Philips International, B.V. | Systems and methods for valley switching in a switching power converter |
CN108882429B (zh) * | 2017-05-15 | 2022-03-15 | 松下知识产权经营株式会社 | 点灯装置以及照明*** |
CN113726155A (zh) * | 2020-05-25 | 2021-11-30 | 炬芯科技股份有限公司 | Dc/dc电压转换器及增强负载瞬态响应的控制方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05276761A (ja) | 1992-03-19 | 1993-10-22 | Hitachi Ltd | パワー半導体素子の過電流検出方法及び回路並びにこれを用いたインバータ装置 |
US6525514B1 (en) * | 2000-08-08 | 2003-02-25 | Power Integrations, Inc. | Method and apparatus for reducing audio noise in a switching regulator |
US6495995B2 (en) * | 2001-03-09 | 2002-12-17 | Semtech Corporation | Self-clocking multiphase power supply controller |
US6476589B2 (en) * | 2001-04-06 | 2002-11-05 | Linear Technology Corporation | Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop |
JP3548889B2 (ja) * | 2001-06-07 | 2004-07-28 | 株式会社村田製作所 | スイッチング電源装置およびそれを用いた電子装置 |
JP3657256B2 (ja) * | 2002-12-25 | 2005-06-08 | 松下電器産業株式会社 | スイッチング電源装置 |
JP4443143B2 (ja) | 2003-05-06 | 2010-03-31 | 三洋電機株式会社 | 過電流保護回路 |
JP3948448B2 (ja) * | 2003-10-09 | 2007-07-25 | 松下電器産業株式会社 | スイッチング電源装置 |
US7352595B2 (en) * | 2005-11-08 | 2008-04-01 | System General Corp. | Primary-side controlled switching regulator |
-
2006
- 2006-01-27 JP JP2006018308A patent/JP4753729B2/ja not_active Expired - Fee Related
- 2006-09-15 CN CNB2006101395189A patent/CN100546157C/zh not_active Expired - Fee Related
- 2006-09-22 US US11/525,128 patent/US7439719B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007202313A (ja) | 2007-08-09 |
US7439719B2 (en) | 2008-10-21 |
CN101009467A (zh) | 2007-08-01 |
US20070176583A1 (en) | 2007-08-02 |
JP4753729B2 (ja) | 2011-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: KELAIBO INNOVATION CO., LTD. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20141127 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20141127 Address after: American California Patentee after: Craib Innovations Ltd Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20160915 |
|
CF01 | Termination of patent right due to non-payment of annual fee |