CN100553087C - 可变频率多相振荡器 - Google Patents
可变频率多相振荡器 Download PDFInfo
- Publication number
- CN100553087C CN100553087C CNB2007101227332A CN200710122733A CN100553087C CN 100553087 C CN100553087 C CN 100553087C CN B2007101227332 A CNB2007101227332 A CN B2007101227332A CN 200710122733 A CN200710122733 A CN 200710122733A CN 100553087 C CN100553087 C CN 100553087C
- Authority
- CN
- China
- Prior art keywords
- signal
- current
- electric current
- delay unit
- phase
- 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
- 238000007600 charging Methods 0.000 claims description 30
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims 1
- 230000006870 function Effects 0.000 description 8
- 230000010355 oscillation Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Pulse Circuits (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81805506P | 2006-06-30 | 2006-06-30 | |
US60/818,055 | 2006-06-30 | ||
US11/583,281 | 2006-10-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101102074A CN101102074A (zh) | 2008-01-09 |
CN100553087C true CN100553087C (zh) | 2009-10-21 |
Family
ID=39036220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2007101227332A Expired - Fee Related CN100553087C (zh) | 2006-06-30 | 2007-07-02 | 可变频率多相振荡器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100553087C (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4879240B2 (ja) * | 2008-09-16 | 2012-02-22 | 株式会社リコー | 発振回路、dc−dcコンバータ及び半導体装置 |
US7907023B2 (en) * | 2009-05-29 | 2011-03-15 | Panasonic Corporation | Phase lock loop with a multiphase oscillator |
US7893778B2 (en) * | 2009-06-19 | 2011-02-22 | Alpha & Omega Semiconductor Incorporated | Flexible low current oscillator for multiphase operations |
US20120286750A1 (en) * | 2011-05-10 | 2012-11-15 | Peng Xu | Switching regulators with adaptive clock generators and associated methods of control |
CN104579258B (zh) * | 2013-10-10 | 2017-07-04 | 成都振芯科技股份有限公司 | 一种范围可调、步长可调的延迟调整电路 |
CN107844615B (zh) * | 2016-09-20 | 2021-04-23 | 中芯国际集成电路制造(上海)有限公司 | 用于实现可控延时的方法和延时电路 |
CN112421953B (zh) * | 2019-08-22 | 2022-02-15 | 圣邦微电子(北京)股份有限公司 | 多相变换器及其控制电路和控制方法 |
CN111614166B (zh) * | 2020-06-10 | 2021-08-24 | 中国科学院近代物理研究所 | 基于sfp+多模块加速器的励磁电源控制系统及方法 |
-
2007
- 2007-07-02 CN CNB2007101227332A patent/CN100553087C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101102074A (zh) | 2008-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100553087C (zh) | 可变频率多相振荡器 | |
JP5230767B2 (ja) | 可変周波数多相発振器 | |
US11936300B2 (en) | Switched-capacitor circuit control in power converters | |
US8537579B2 (en) | Voltage conversion method in a continuously variable switched capacitor DC-DC voltage converter | |
US8264273B2 (en) | Charge pump circuit and methods of operation thereof | |
JP4054714B2 (ja) | 昇降圧型dc−dcコンバータ | |
KR100716107B1 (ko) | 다중위상 dc-dc 조정기용 다중위상 합성 리플전압 발생기 및 이에 관련된 방법 | |
US7948280B2 (en) | Controller including a sawtooth generator and method of operating the same | |
US9093901B2 (en) | Switching converter and method for controlling a switching converter | |
US8890630B2 (en) | Oscillator apparatus and method with wide adjustable frequency range | |
US20140334196A1 (en) | Control device for multiphase interleaved dc-dc converter and control method thereof | |
JP2011504356A (ja) | 適応利得ステップアップ・ステップダウン方式スイッチトキャパシタdc/dcコンバータ | |
JP2008522564A (ja) | 超高一定スイッチング周波数で動作するためのdc−dcスイッチングコンバータ用のデジタルコントローラ | |
CN102957321B (zh) | 控制电路、电源装置以及控制电源的方法 | |
CN101174796A (zh) | 用于使功率转换器同步的具有同步输入的切换控制器 | |
Chowdhury et al. | Design of reconfigurable and robust integrated SC power converter for self-powered energy-efficient devices | |
US9906131B1 (en) | Zero-voltage switch-mode power converter | |
CN108336908A (zh) | 具有可利用变化的频率、占空比和/或相位控制的电源开关以调节输出的电源 | |
CN203537351U (zh) | 振荡器电路 | |
CN114629440A (zh) | 可编程振荡器电路及电源管理芯片 | |
Bhattacharyya et al. | A low voltage, low ripple, on chip, dual switch-capacitor based hybrid DC-DC converter | |
CN105932875A (zh) | 一种自适应带pll锁存功能的外同步dc/dc转换器 | |
US8988048B2 (en) | Circuit for generating a clock signal for interleaved PFC stages and method thereof | |
CN106533172B (zh) | 直流降压型稳压器及其脉冲频率调制控制电路和方法 | |
CN102754321B (zh) | 持续可变切换的电容器dc-dc电压转换器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CI01 | Correction of invention patent gazette |
Correction item: Inventor Correct: Dan Claudius False: Dan Claudius Number: 2 Volume: 24 |
|
CI02 | Correction of invention patent application |
Correction item: Inventor Correct: Dan Claudius False: Dan Claudius Number: 2 Page: The title page Volume: 24 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: KELAODISI DAN TO: CROWE DAN ADDIS |
|
ERR | Gazette correction |
Free format text: CORRECT: INVENTOR; FROM: KELAODISI DAN TO: CROWE DAN ADDIS |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: O2 TECH. INTERNATIONAL LTD. Free format text: FORMER OWNER: O2 MICRO INC Effective date: 20101122 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: CALIFORNIA, AMERICA TO: ENGLISH CAYMAN ISLANDS, ENGLAND |
|
TR01 | Transfer of patent right |
Effective date of registration: 20101122 Address after: British Cayman Islands Patentee after: O2 Tech. International Ltd. Address before: American California Patentee before: O2 Micro Inc |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20160702 |
|
CF01 | Termination of patent right due to non-payment of annual fee |