CN104734502A - 一种dc-dc变换器轻载高效实现电路 - Google Patents
一种dc-dc变换器轻载高效实现电路 Download PDFInfo
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- CN104734502A CN104734502A CN201510173604.0A CN201510173604A CN104734502A CN 104734502 A CN104734502 A CN 104734502A CN 201510173604 A CN201510173604 A CN 201510173604A CN 104734502 A CN104734502 A CN 104734502A
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- nand gate
- converter
- light load
- output
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- 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
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
-
- 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
- H02M3/1586—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 switched with a phase shift, i.e. interleaved
-
- 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 (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510173604.0A CN104734502B (zh) | 2015-04-13 | 2015-04-13 | 一种dc‑dc变换器轻载高效实现电路 |
Applications Claiming Priority (1)
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CN201510173604.0A CN104734502B (zh) | 2015-04-13 | 2015-04-13 | 一种dc‑dc变换器轻载高效实现电路 |
Publications (2)
Publication Number | Publication Date |
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CN104734502A true CN104734502A (zh) | 2015-06-24 |
CN104734502B CN104734502B (zh) | 2017-04-05 |
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CN201510173604.0A Active CN104734502B (zh) | 2015-04-13 | 2015-04-13 | 一种dc‑dc变换器轻载高效实现电路 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105207480A (zh) * | 2015-09-21 | 2015-12-30 | 西安三馀半导体有限公司 | 一种轻载时低输出纹波的同步降压型dc-dc转换器 |
CN106787702A (zh) * | 2017-01-06 | 2017-05-31 | 上海艾为电子技术股份有限公司 | 开关电源及其音频噪声抑制方法 |
CN109889045A (zh) * | 2019-04-15 | 2019-06-14 | 南京能芯半导体有限公司 | 一种谷底电流控制的dc/dc转换器在轻载时抑制电流过冲的方法 |
CN110932547A (zh) * | 2019-10-16 | 2020-03-27 | 重庆中易智芯科技有限责任公司 | 一种应用于高效率dc-dc转换器的自适应调制模式切换电路 |
CN110971226A (zh) * | 2019-12-18 | 2020-04-07 | 思瑞浦微电子科技(苏州)股份有限公司 | 待机模式控制方法及控制系统 |
CN114079377A (zh) * | 2020-08-19 | 2022-02-22 | 圣邦微电子(北京)股份有限公司 | 功率变换器及其控制电路和控制方法 |
Citations (6)
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CN1453926A (zh) * | 2002-04-24 | 2003-11-05 | 罗姆股份有限公司 | 开关电源装置 |
CN201001085Y (zh) * | 2006-12-27 | 2008-01-02 | 中国科学院上海光学精密机械研究所 | 高效率同步整流降压型开关变换器 |
CN101707440A (zh) * | 2009-11-12 | 2010-05-12 | 中兴通讯股份有限公司 | Llc谐振变换器控制方法、同步整流控制方法及装置 |
CN102027679A (zh) * | 2008-05-07 | 2011-04-20 | 密克罗奇普技术公司 | 脉宽调制空载时间补偿方法及设备 |
CN103219887A (zh) * | 2012-03-19 | 2013-07-24 | 崇贸科技股份有限公司 | 用于电源转换器的省能控制器及省能方法 |
CN204578364U (zh) * | 2015-04-13 | 2015-08-19 | 无锡新硅微电子有限公司 | 一种dc-dc变换器轻载高效实现电路 |
-
2015
- 2015-04-13 CN CN201510173604.0A patent/CN104734502B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1453926A (zh) * | 2002-04-24 | 2003-11-05 | 罗姆股份有限公司 | 开关电源装置 |
CN201001085Y (zh) * | 2006-12-27 | 2008-01-02 | 中国科学院上海光学精密机械研究所 | 高效率同步整流降压型开关变换器 |
CN102027679A (zh) * | 2008-05-07 | 2011-04-20 | 密克罗奇普技术公司 | 脉宽调制空载时间补偿方法及设备 |
CN101707440A (zh) * | 2009-11-12 | 2010-05-12 | 中兴通讯股份有限公司 | Llc谐振变换器控制方法、同步整流控制方法及装置 |
CN103219887A (zh) * | 2012-03-19 | 2013-07-24 | 崇贸科技股份有限公司 | 用于电源转换器的省能控制器及省能方法 |
CN204578364U (zh) * | 2015-04-13 | 2015-08-19 | 无锡新硅微电子有限公司 | 一种dc-dc变换器轻载高效实现电路 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105207480A (zh) * | 2015-09-21 | 2015-12-30 | 西安三馀半导体有限公司 | 一种轻载时低输出纹波的同步降压型dc-dc转换器 |
CN105207480B (zh) * | 2015-09-21 | 2017-09-01 | 西安三馀半导体有限公司 | 一种轻载时低输出纹波的同步降压型dc‑dc转换器 |
CN106787702A (zh) * | 2017-01-06 | 2017-05-31 | 上海艾为电子技术股份有限公司 | 开关电源及其音频噪声抑制方法 |
CN106787702B (zh) * | 2017-01-06 | 2019-05-10 | 上海艾为电子技术股份有限公司 | 开关电源及其音频噪声抑制方法 |
CN109889045A (zh) * | 2019-04-15 | 2019-06-14 | 南京能芯半导体有限公司 | 一种谷底电流控制的dc/dc转换器在轻载时抑制电流过冲的方法 |
CN109889045B (zh) * | 2019-04-15 | 2021-06-29 | 南京融芯微电子有限公司 | 一种谷底电流控制的dc/dc转换器在轻载时抑制电流过冲的方法 |
CN110932547A (zh) * | 2019-10-16 | 2020-03-27 | 重庆中易智芯科技有限责任公司 | 一种应用于高效率dc-dc转换器的自适应调制模式切换电路 |
CN110932547B (zh) * | 2019-10-16 | 2022-06-21 | 重庆中易智芯科技有限责任公司 | 一种应用于高效率dc-dc转换器的自适应调制模式切换电路 |
CN110971226A (zh) * | 2019-12-18 | 2020-04-07 | 思瑞浦微电子科技(苏州)股份有限公司 | 待机模式控制方法及控制系统 |
CN110971226B (zh) * | 2019-12-18 | 2022-08-02 | 思瑞浦微电子科技(苏州)股份有限公司 | 待机模式控制方法及控制系统 |
CN114079377A (zh) * | 2020-08-19 | 2022-02-22 | 圣邦微电子(北京)股份有限公司 | 功率变换器及其控制电路和控制方法 |
CN114079377B (zh) * | 2020-08-19 | 2024-02-06 | 圣邦微电子(北京)股份有限公司 | 功率变换器及其控制电路和控制方法 |
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SE01 | Entry into force of request for substantive examination | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20191121 Address after: 211106 No.166 Zhengfang Middle Road, Jiangning Economic and Technological Development Zone, Nanjing City, Jiangsu Province Patentee after: Nanjing GEC Electonics Co., Ltd. Address before: 1204, room 214028, building B, Wang Zhuang hi tech center, 4 Longshan Road, New District, Jiangsu, Wuxi Patentee before: WST (Wuxi) Microelectronic Co., Ltd. |
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TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address |
Address after: 210016 No.166, zhengfangzhong Road, moling street, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Guobo Electronics Co.,Ltd. Address before: 211106 No.166, Zhengfang Middle Road, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING GUOBO ELECTRONICS Co.,Ltd. |
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CP03 | Change of name, title or address |