CN108390557A - 提高轻载频率的开关电源 - Google Patents
提高轻载频率的开关电源 Download PDFInfo
- Publication number
- CN108390557A CN108390557A CN201810166659.2A CN201810166659A CN108390557A CN 108390557 A CN108390557 A CN 108390557A CN 201810166659 A CN201810166659 A CN 201810166659A CN 108390557 A CN108390557 A CN 108390557A
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- CN
- China
- Prior art keywords
- resistance
- diode
- converter chip
- pin
- anode
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- 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.)
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810166659.2A CN108390557B (zh) | 2018-02-28 | 2018-02-28 | 提高轻载频率的开关电源 |
Applications Claiming Priority (1)
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CN201810166659.2A CN108390557B (zh) | 2018-02-28 | 2018-02-28 | 提高轻载频率的开关电源 |
Publications (2)
Publication Number | Publication Date |
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CN108390557A true CN108390557A (zh) | 2018-08-10 |
CN108390557B CN108390557B (zh) | 2019-08-13 |
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CN201810166659.2A Active CN108390557B (zh) | 2018-02-28 | 2018-02-28 | 提高轻载频率的开关电源 |
Country Status (1)
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CN (1) | CN108390557B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021253457A1 (zh) * | 2020-06-20 | 2021-12-23 | 华为技术有限公司 | 用于直流电压转换的装置和电子设备 |
CN114944763A (zh) * | 2022-07-25 | 2022-08-26 | 陕西中科天地航空模块有限公司 | 一种开关电源频率调节电路 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08294269A (ja) * | 1995-04-19 | 1996-11-05 | Toyota Autom Loom Works Ltd | Dc/dcコンバータ |
CN204761752U (zh) * | 2015-03-12 | 2015-11-11 | 北京合立星源光电科技有限公司 | 低电压建筑工地led照明灯驱动电源 |
CN105099184A (zh) * | 2014-04-17 | 2015-11-25 | 钰太芯微电子科技(上海)有限公司 | 一种轻载开关电源芯片 |
CN106655767A (zh) * | 2016-12-22 | 2017-05-10 | 天津七六四通信导航技术有限公司 | 一种基于反向dc/dc控制器的反向升压电路 |
CN206611616U (zh) * | 2017-04-19 | 2017-11-03 | 深圳市实益达技术股份有限公司 | 一种led驱动电源空载自动降压电路 |
-
2018
- 2018-02-28 CN CN201810166659.2A patent/CN108390557B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08294269A (ja) * | 1995-04-19 | 1996-11-05 | Toyota Autom Loom Works Ltd | Dc/dcコンバータ |
CN105099184A (zh) * | 2014-04-17 | 2015-11-25 | 钰太芯微电子科技(上海)有限公司 | 一种轻载开关电源芯片 |
CN204761752U (zh) * | 2015-03-12 | 2015-11-11 | 北京合立星源光电科技有限公司 | 低电压建筑工地led照明灯驱动电源 |
CN106655767A (zh) * | 2016-12-22 | 2017-05-10 | 天津七六四通信导航技术有限公司 | 一种基于反向dc/dc控制器的反向升压电路 |
CN206611616U (zh) * | 2017-04-19 | 2017-11-03 | 深圳市实益达技术股份有限公司 | 一种led驱动电源空载自动降压电路 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021253457A1 (zh) * | 2020-06-20 | 2021-12-23 | 华为技术有限公司 | 用于直流电压转换的装置和电子设备 |
CN114944763A (zh) * | 2022-07-25 | 2022-08-26 | 陕西中科天地航空模块有限公司 | 一种开关电源频率调节电路 |
Also Published As
Publication number | Publication date |
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CN108390557B (zh) | 2019-08-13 |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20211012 Address after: 523000 room 1001, No. 12, Lane 11, nanzha Wenming Road, Humen Town, Dongguan City, Guangdong Province Patentee after: Dongguan henghao New Energy Technology Co.,Ltd. Address before: 518000 second to third floors, building A13, phase II plant, Fuqiao Third District, Xinhe community, Fuhai street, Bao'an District, Shenzhen, Guangdong Province Patentee before: SHENZHEN CARPOWER ELECTRONIC TECHNOLOGY Co.,Ltd. |
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TR01 | Transfer of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Switching power supply for increasing light load frequency Effective date of registration: 20230922 Granted publication date: 20190813 Pledgee: Bank of China Co.,Ltd. Dongguan Branch Pledgor: Dongguan henghao New Energy Technology Co.,Ltd. Registration number: Y2023980058264 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |