CN1130000C - 开关电源 - Google Patents
开关电源 Download PDFInfo
- Publication number
- CN1130000C CN1130000C CN99804292A CN99804292A CN1130000C CN 1130000 C CN1130000 C CN 1130000C CN 99804292 A CN99804292 A CN 99804292A CN 99804292 A CN99804292 A CN 99804292A CN 1130000 C CN1130000 C CN 1130000C
- Authority
- CN
- China
- Prior art keywords
- frequency
- circuit
- switching power
- power supply
- output voltage
- 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
- 230000010355 oscillation Effects 0.000 claims description 14
- 238000003079 width control Methods 0.000 abstract description 4
- 239000003990 capacitor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000000087 stabilizing 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
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- 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)
Abstract
Description
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1385599A JPH11308861A (ja) | 1998-02-20 | 1999-01-22 | スイッチング電源 |
JP13855/1999 | 1999-01-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1294774A CN1294774A (zh) | 2001-05-09 |
CN1130000C true CN1130000C (zh) | 2003-12-03 |
Family
ID=11844898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99804292A Expired - Fee Related CN1130000C (zh) | 1999-01-22 | 1999-08-02 | 开关电源 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6373730B1 (zh) |
KR (1) | KR100543276B1 (zh) |
CN (1) | CN1130000C (zh) |
ID (1) | ID26831A (zh) |
WO (1) | WO2000044085A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003289664A (ja) * | 2002-03-28 | 2003-10-10 | Tdk Corp | スイッチング電源装置用の制御回路及びこれを用いたスイッチング電源装置 |
TW595270B (en) * | 2002-12-13 | 2004-06-21 | Primax Electronics Ltd | High voltage regulator and operating method thereof |
JP4212366B2 (ja) * | 2003-01-16 | 2009-01-21 | 新電元工業株式会社 | スイッチング電源装置 |
US7015716B2 (en) * | 2004-04-13 | 2006-03-21 | Feature Integration Technology Inc. | Method for detecting a power load of a power supply module according to duty cycle detection, and related device |
US7531975B1 (en) | 2004-10-13 | 2009-05-12 | Marvell International Ltd. | Adjustable frequency PWM driver |
CN100405719C (zh) * | 2005-01-27 | 2008-07-23 | 精拓科技股份有限公司 | 电流负载侦测装置及组设此装置的电源供应*** |
CN100426196C (zh) * | 2005-04-22 | 2008-10-15 | 精拓科技股份有限公司 | 一种调整负载装置执行效能的方法 |
US7898218B2 (en) * | 2006-09-12 | 2011-03-01 | 02Micro International Limited | Power supply topologies with PWM frequency control |
US8933649B2 (en) * | 2009-12-28 | 2015-01-13 | Power Integrations, Inc. | Power converter having a switch coupled between windings |
CN103036441A (zh) * | 2013-01-11 | 2013-04-10 | 成都启臣微电子有限公司 | 高压启动的高频反激式pwm控制电路 |
CN104731294A (zh) * | 2015-03-17 | 2015-06-24 | 深圳中盛恒华电气有限公司 | 一种不间断电源智能化并机供电控制***及方法 |
KR20230029841A (ko) * | 2020-07-28 | 2023-03-03 | 엘지전자 주식회사 | 디스플레이 장치 및 그에 대한 전원 제어 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4864589A (en) * | 1985-07-24 | 1989-09-05 | Nec Home Electronics Ltd. | Spread spectrum power line communications |
JPS62114469A (ja) | 1985-11-08 | 1987-05-26 | Matsushita Electric Ind Co Ltd | 電源装置 |
US5590033A (en) * | 1988-09-02 | 1996-12-31 | Yamaha Corporation | Power source apparatus |
JPH08340675A (ja) * | 1995-06-14 | 1996-12-24 | Fuji Electric Co Ltd | スイッチング電源回路の間欠発振防止回路 |
-
1999
- 1999-08-02 CN CN99804292A patent/CN1130000C/zh not_active Expired - Fee Related
- 1999-08-02 WO PCT/JP1999/004175 patent/WO2000044085A1/ja active IP Right Grant
- 1999-08-02 US US09/647,077 patent/US6373730B1/en not_active Expired - Lifetime
- 1999-08-02 KR KR1020007010458A patent/KR100543276B1/ko not_active IP Right Cessation
- 1999-08-02 ID IDW20001835A patent/ID26831A/id unknown
Also Published As
Publication number | Publication date |
---|---|
WO2000044085A1 (fr) | 2000-07-27 |
ID26831A (id) | 2001-02-15 |
CN1294774A (zh) | 2001-05-09 |
US6373730B1 (en) | 2002-04-16 |
KR20010042099A (ko) | 2001-05-25 |
KR100543276B1 (ko) | 2006-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB1A | Publication of application | ||
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: PANASONIC HEALTHCARE + MEDICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20140422 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140422 Address after: Ehime Prefecture, Japan Patentee after: Panasonic Healthcare Co., Ltd Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co., Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: PANASONIC HEALTHCARE HOLDINGS CO., LTD. Free format text: FORMER OWNER: PANASONIC HEALTHCARE + MEDICAL EQUIPMENT CO., LTD. Effective date: 20150403 |
|
TR01 | Transfer of patent right |
Effective date of registration: 20150403 Address after: Tokyo, Japan Patentee after: Panasonic's health medical treatment is controlled interest Co., Ltd. Address before: Ehime Prefecture, Japan Patentee before: Panasonic Healthcare Co., Ltd |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031203 Termination date: 20150802 |
|
EXPY | Termination of patent right or utility model |