CN102710238B - 温度敏感度低的非线性压控振荡器及应用其的开关电源 - Google Patents
温度敏感度低的非线性压控振荡器及应用其的开关电源 Download PDFInfo
- Publication number
- CN102710238B CN102710238B CN201210170704.4A CN201210170704A CN102710238B CN 102710238 B CN102710238 B CN 102710238B CN 201210170704 A CN201210170704 A CN 201210170704A CN 102710238 B CN102710238 B CN 102710238B
- Authority
- CN
- China
- Prior art keywords
- controlled oscillator
- linear voltage
- signal
- comparator
- low
- 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.)
- Active
Links
Landscapes
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210170704.4A CN102710238B (zh) | 2012-05-29 | 2012-05-29 | 温度敏感度低的非线性压控振荡器及应用其的开关电源 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210170704.4A CN102710238B (zh) | 2012-05-29 | 2012-05-29 | 温度敏感度低的非线性压控振荡器及应用其的开关电源 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102710238A CN102710238A (zh) | 2012-10-03 |
CN102710238B true CN102710238B (zh) | 2014-12-17 |
Family
ID=46902835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210170704.4A Active CN102710238B (zh) | 2012-05-29 | 2012-05-29 | 温度敏感度低的非线性压控振荡器及应用其的开关电源 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102710238B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102027711B1 (ko) | 2015-09-02 | 2019-10-01 | 마이크론 테크놀로지, 인크. | 온도 독립적 발진기를 위한 장치 및 방법 |
US10491155B2 (en) * | 2016-03-15 | 2019-11-26 | Texas Instruments Incorporated | Temperature compensated oscillator driver |
CN115242227B (zh) * | 2022-09-21 | 2023-03-28 | 深圳英集芯科技股份有限公司 | 适用于pfm控制芯片的频率控制电路及相关装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5973573A (en) * | 1997-11-18 | 1999-10-26 | Vlsi Technology, Inc. | VCO circuit having low gain variation over different processes and operating temperatures and having low power supply noise sensitivity |
CN101375489A (zh) * | 2006-01-31 | 2009-02-25 | 三美电机株式会社 | 开关电源装置以及电源控制用半导体集成电路 |
CN101409530A (zh) * | 2007-10-12 | 2009-04-15 | 瑞昱半导体股份有限公司 | 压控震荡器 |
CN201563108U (zh) * | 2009-11-25 | 2010-08-25 | 天津南大强芯半导体芯片设计有限公司 | 一种温度电压补偿型振荡器电路 |
CN101834516A (zh) * | 2010-05-27 | 2010-09-15 | 上海北京大学微电子研究院 | 多模式频率控制器及开关电源频率控制方法 |
CN201966797U (zh) * | 2010-11-19 | 2011-09-07 | 大连连顺电子有限公司 | 一种模拟抖频电路及应用该电路的开关电源 |
CN202026239U (zh) * | 2011-04-27 | 2011-11-02 | 大连连顺电子有限公司 | 高压启动开关和检测晶体管复用电路及应用该电路的开关电源 |
CN202841078U (zh) * | 2012-05-29 | 2013-03-27 | 大连连顺电子有限公司 | 温度敏感度低的非线性压控振荡器及应用其的开关电源 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4720391B2 (ja) * | 2005-09-13 | 2011-07-13 | 株式会社ケンウッド | スイッチング電源回路 |
-
2012
- 2012-05-29 CN CN201210170704.4A patent/CN102710238B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5973573A (en) * | 1997-11-18 | 1999-10-26 | Vlsi Technology, Inc. | VCO circuit having low gain variation over different processes and operating temperatures and having low power supply noise sensitivity |
CN101375489A (zh) * | 2006-01-31 | 2009-02-25 | 三美电机株式会社 | 开关电源装置以及电源控制用半导体集成电路 |
CN101409530A (zh) * | 2007-10-12 | 2009-04-15 | 瑞昱半导体股份有限公司 | 压控震荡器 |
CN201563108U (zh) * | 2009-11-25 | 2010-08-25 | 天津南大强芯半导体芯片设计有限公司 | 一种温度电压补偿型振荡器电路 |
CN101834516A (zh) * | 2010-05-27 | 2010-09-15 | 上海北京大学微电子研究院 | 多模式频率控制器及开关电源频率控制方法 |
CN201966797U (zh) * | 2010-11-19 | 2011-09-07 | 大连连顺电子有限公司 | 一种模拟抖频电路及应用该电路的开关电源 |
CN202026239U (zh) * | 2011-04-27 | 2011-11-02 | 大连连顺电子有限公司 | 高压启动开关和检测晶体管复用电路及应用该电路的开关电源 |
CN202841078U (zh) * | 2012-05-29 | 2013-03-27 | 大连连顺电子有限公司 | 温度敏感度低的非线性压控振荡器及应用其的开关电源 |
Also Published As
Publication number | Publication date |
---|---|
CN102710238A (zh) | 2012-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN207368881U (zh) | 用于启动期间进行谐振电容稳定的谐振转换器 | |
CN102570821B (zh) | 用于谐振转换器的控制设备 | |
US9054546B2 (en) | Primary-side and secondary-side full-bridge switching circuit controller for a magnetic coupling and contactless power transmission apparatus | |
US6278265B1 (en) | Switching regulator | |
US10476309B2 (en) | Wireless power transfer system and a wireless power receiver thereof | |
CN102611298B (zh) | 一种功率因数校正电路 | |
CN103269161B (zh) | 恒流输出buck电源电路 | |
TWI556554B (zh) | A system and method for adjusting a power converter | |
CN103580000A (zh) | 开关电源输出过压保护方法及电路及带该电路的开关电源 | |
CN102594137A (zh) | 用于控制开关式电源的系统和方法 | |
CN102735906A (zh) | 一种电感电流检测电路以及应用其的led驱动电路 | |
CN102710238B (zh) | 温度敏感度低的非线性压控振荡器及应用其的开关电源 | |
CN101854121B (zh) | 谐振功率转换器与功率转换器 | |
CN105305833B (zh) | 可调式电源供应器的可调整降频电路及调变切换频率方法 | |
CN102064682B (zh) | 一种模拟抖频电路及应用该电路的开关电源 | |
CN105099164A (zh) | 频率抖动控制电路及方法 | |
CN107888069A (zh) | 用于生成频率成比例的电流的电路和方法 | |
CN202841078U (zh) | 温度敏感度低的非线性压控振荡器及应用其的开关电源 | |
CN110364134B (zh) | 一种蜂鸣器驱动电路 | |
CN201966797U (zh) | 一种模拟抖频电路及应用该电路的开关电源 | |
CN208226866U (zh) | 一种先进的极限功率恒值电路及应用其的开关电源 | |
CN104460812B (zh) | 一种原边反馈变换器的输出整流二极管温度补偿电路 | |
CN105099172B (zh) | 一种新型的脉冲频率调制的开关电源 | |
US20190207515A1 (en) | Method and system of operating switching power converters based on peak current through the switching element | |
CN203883674U (zh) | 一种轻载开关电源芯片 |
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: XIAMEN YUANSHUN MICROELECTRONICS TECHNOLOGY CO., L Free format text: FORMER OWNER: DALIAN LIAN-SHUN ELECTRONICS CO., LTD. FUJIAN FUSHUN MICROELECTRONIC CO., LTD. Effective date: 20150429 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150429 Address after: 116023 Liaoning Province, Dalian City High-tech Park 107 Guang Xian Road No. 1 building two floor Patentee after: Dalian Lianshun Electronic Co., Ltd. Patentee after: Xiamen unit is along microelectric technique company limited Patentee after: UNISONIC TECHNOLOGIES Co.,Ltd. Patentee after: Fujian Fushun Microelectronic Co., Ltd. Address before: 116023 Liaoning Province, Dalian City High-tech Park 107 Guang Xian Road No. 1 building two floor Patentee before: Dalian Lianshun Electronic Co., Ltd. Patentee before: UNISONIC TECHNOLOGIES Co.,Ltd. Patentee before: Fujian Fushun Microelectronic Co., Ltd. |