CN100352155C - Sawtooth wave generating device in chip of electric current mode PWM DC-DC converter - Google Patents
Sawtooth wave generating device in chip of electric current mode PWM DC-DC converter Download PDFInfo
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- CN100352155C CN100352155C CNB2005100370705A CN200510037070A CN100352155C CN 100352155 C CN100352155 C CN 100352155C CN B2005100370705 A CNB2005100370705 A CN B2005100370705A CN 200510037070 A CN200510037070 A CN 200510037070A CN 100352155 C CN100352155 C CN 100352155C
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- converter
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- pass filter
- sawtooth waveforms
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 230000003044 adaptive effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2005100370705A CN100352155C (en) | 2005-09-08 | 2005-09-08 | Sawtooth wave generating device in chip of electric current mode PWM DC-DC converter |
Applications Claiming Priority (1)
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CNB2005100370705A CN100352155C (en) | 2005-09-08 | 2005-09-08 | Sawtooth wave generating device in chip of electric current mode PWM DC-DC converter |
Publications (2)
Publication Number | Publication Date |
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CN1753292A CN1753292A (en) | 2006-03-29 |
CN100352155C true CN100352155C (en) | 2007-11-28 |
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CNB2005100370705A Expired - Fee Related CN100352155C (en) | 2005-09-08 | 2005-09-08 | Sawtooth wave generating device in chip of electric current mode PWM DC-DC converter |
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CN (1) | CN100352155C (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100578902C (en) * | 2007-10-29 | 2010-01-06 | 华为技术有限公司 | Electric power output voltage-operated device |
CN101656473B (en) * | 2008-08-21 | 2013-08-21 | 立锜科技股份有限公司 | PWM power supply inverter for improving dynamic reaction and control method thereof |
CN101764515A (en) * | 2009-11-09 | 2010-06-30 | 天津南大强芯半导体芯片设计有限公司 | Automatic switching circuit of PWM and PSM and a switching method thereof |
CN102082510B (en) * | 2009-11-27 | 2015-11-25 | 立锜科技股份有限公司 | For frequency control circuit and the method for frequency conversion type voltage regulator |
CN102468754A (en) * | 2010-11-10 | 2012-05-23 | 立锜科技股份有限公司 | Circuit and method for controlling power converter in current mode |
CN104135151B (en) * | 2013-05-02 | 2016-12-28 | 登丰微电子股份有限公司 | DC-DC switching controller |
CN104202021B (en) * | 2014-08-25 | 2018-03-02 | 长沙景美集成电路设计有限公司 | A kind of high-precision saw-toothed wave generator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5962212A (en) * | 1983-07-22 | 1984-04-09 | Nec Corp | Sawtooth wave generating circuit |
US5130582A (en) * | 1989-09-19 | 1992-07-14 | Tdk Corporation | Delay circuit which is free from temperature variation, power supply voltage variation and process variation |
US6057727A (en) * | 1997-10-20 | 2000-05-02 | Stmicroelectronics S.A. | Accurate constant current generator |
CN1357964A (en) * | 2000-12-04 | 2002-07-10 | 三垦电气株式会社 | DC-DC converter |
-
2005
- 2005-09-08 CN CNB2005100370705A patent/CN100352155C/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5962212A (en) * | 1983-07-22 | 1984-04-09 | Nec Corp | Sawtooth wave generating circuit |
US5130582A (en) * | 1989-09-19 | 1992-07-14 | Tdk Corporation | Delay circuit which is free from temperature variation, power supply voltage variation and process variation |
US6057727A (en) * | 1997-10-20 | 2000-05-02 | Stmicroelectronics S.A. | Accurate constant current generator |
CN1357964A (en) * | 2000-12-04 | 2002-07-10 | 三垦电气株式会社 | DC-DC converter |
Also Published As
Publication number | Publication date |
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CN1753292A (en) | 2006-03-29 |
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C14 | Grant of patent or utility model | ||
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Owner name: SHENZHEN CITY QUANXIN ELECTRONICAL TECHNOLOGICAL Free format text: FORMER OWNER: WU HAO Effective date: 20080328 |
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TR01 | Transfer of patent right |
Effective date of registration: 20080328 Address after: Shenzhen City, Guangdong Province, Nanshan District, Shennan Road, No. 10128 Nanshan District Software Park Tower 2407 Patentee after: Shenzhen Quanxin Micro Devices Co., Ltd. Address before: Room 503, pioneer service center, 1 Qilin Road, Shenzhen, Guangdong, Nanshan District Patentee before: Wu Hao |
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C56 | Change in the name or address of the patentee |
Owner name: QUANXIN ELECTRONIC TECHNOLOGY (SHENZHEN) CO., LTD. Free format text: FORMER NAME: SHENZHEN QUANXIN MICRO DEVICES CO., LTD. |
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CP03 | Change of name, title or address |
Address after: Nanshan District Shenzhen City, Guangdong province 518052 Shennan Road No. 10128 Nanshan Software Park Tower 2405-2409 Patentee after: Shenzhen QX Micro Devices Co., Ltd. Address before: Nanshan District Shenzhen City, Guangdong province 518052 Shennan Road No. 10128 Nanshan District Software Park Tower 2407 Patentee before: Shenzhen Quanxin Micro Devices Co., Ltd. |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20060329 Assignee: SHENZHEN YA ZHUANG ELECTRON CO., LTD. Assignor: Shenzhen QX Micro Devices Co., Ltd. Contract record no.: 2012440020433 Denomination of invention: Sawtooth wave generating device in chip of electric current mode PWM DC-DC converter Granted publication date: 20071128 License type: Exclusive License Record date: 20121226 |
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