CN1910807A - 用于直流至直流转换器之切换噪声滤波电路 - Google Patents
用于直流至直流转换器之切换噪声滤波电路 Download PDFInfo
- Publication number
- CN1910807A CN1910807A CNA2005800027126A CN200580002712A CN1910807A CN 1910807 A CN1910807 A CN 1910807A CN A2005800027126 A CNA2005800027126 A CN A2005800027126A CN 200580002712 A CN200580002712 A CN 200580002712A CN 1910807 A CN1910807 A CN 1910807A
- Authority
- CN
- China
- Prior art keywords
- time interval
- voltage
- offset voltage
- output
- switching cycle
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
Abstract
Description
Claims (34)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/762,650 US6958594B2 (en) | 2004-01-21 | 2004-01-21 | Switched noise filter circuit for a DC-DC converter |
US10/762,650 | 2004-01-21 | ||
PCT/US2005/000321 WO2005074111A1 (en) | 2004-01-21 | 2005-01-05 | Switched noise filter circuit for a dc-dc converter |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1910807A true CN1910807A (zh) | 2007-02-07 |
CN1910807B CN1910807B (zh) | 2011-05-11 |
Family
ID=34750364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800027126A Expired - Fee Related CN1910807B (zh) | 2004-01-21 | 2005-01-05 | 用于直流至直流转换器之切换噪声滤波电路 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6958594B2 (zh) |
EP (1) | EP1714377B1 (zh) |
JP (1) | JP4585524B2 (zh) |
CN (1) | CN1910807B (zh) |
TW (1) | TWI271606B (zh) |
WO (1) | WO2005074111A1 (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102655368A (zh) * | 2012-05-02 | 2012-09-05 | 常州大学 | 开关电源的恒定关断时间控制方法及其装置 |
CN101834522B (zh) * | 2009-03-12 | 2012-12-12 | 登丰微电子股份有限公司 | 具有防止噪声的转换电路及转换控制器 |
CN102868293A (zh) * | 2012-09-10 | 2013-01-09 | 常州大学 | 固定关断时间控制开关变换器的斜坡补偿控制方法及装置 |
CN102904449A (zh) * | 2011-07-26 | 2013-01-30 | 崇贸科技股份有限公司 | 提供功率转换器缆线补偿的调整电路 |
CN104022645A (zh) * | 2014-06-12 | 2014-09-03 | 常州大学 | 一种开关变换器的恒频固定关断时间控制装置 |
CN104052284A (zh) * | 2013-03-13 | 2014-09-17 | 拉碧斯半导体株式会社 | 升压型开关稳压器以及半导体装置 |
CN104521124B (zh) * | 2012-07-21 | 2018-01-02 | Nlt科技股份有限公司 | Dc/dc转换器和显示设备 |
Families Citing this family (93)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7250744B2 (en) * | 2004-04-26 | 2007-07-31 | Da Feng Weng | Quasi average current mode control scheme for switching power converter |
TWI277850B (en) * | 2004-08-27 | 2007-04-01 | Richtek Techohnology Corp | A spring type modulation circuit and method for voltage regulator |
US7621463B2 (en) * | 2005-01-12 | 2009-11-24 | Flodesign, Inc. | Fluid nozzle system using self-propelling toroidal vortices for long-range jet impact |
US7362084B2 (en) * | 2005-03-14 | 2008-04-22 | Silicon Storage Technology, Inc. | Fast voltage regulators for charge pumps |
US7737765B2 (en) * | 2005-03-14 | 2010-06-15 | Silicon Storage Technology, Inc. | Fast start charge pump for voltage regulators |
JP4493045B2 (ja) * | 2005-12-05 | 2010-06-30 | パナソニック株式会社 | スイッチングレギュレータ回路 |
JP2007174856A (ja) * | 2005-12-26 | 2007-07-05 | Matsushita Electric Ind Co Ltd | 昇圧装置および降圧装置 |
US8144125B2 (en) | 2006-03-30 | 2012-03-27 | Cypress Semiconductor Corporation | Apparatus and method for reducing average scan rate to detect a conductive object on a sensing device |
US8040142B1 (en) | 2006-03-31 | 2011-10-18 | Cypress Semiconductor Corporation | Touch detection techniques for capacitive touch sense systems |
US8004497B2 (en) | 2006-05-18 | 2011-08-23 | Cypress Semiconductor Corporation | Two-pin buttons |
US8547114B2 (en) * | 2006-11-14 | 2013-10-01 | Cypress Semiconductor Corporation | Capacitance to code converter with sigma-delta modulator |
US8089288B1 (en) | 2006-11-16 | 2012-01-03 | Cypress Semiconductor Corporation | Charge accumulation capacitance sensor with linear transfer characteristic |
US8902172B2 (en) * | 2006-12-07 | 2014-12-02 | Cypress Semiconductor Corporation | Preventing unintentional activation of a touch-sensor button caused by a presence of conductive liquid on the touch-sensor button |
CN101231401B (zh) * | 2007-01-26 | 2010-05-26 | 群康科技(深圳)有限公司 | 面板控制电路 |
US8058937B2 (en) | 2007-01-30 | 2011-11-15 | Cypress Semiconductor Corporation | Setting a discharge rate and a charge rate of a relaxation oscillator circuit |
US20080196945A1 (en) * | 2007-02-21 | 2008-08-21 | Jason Konstas | Preventing unintentional activation of a sensor element of a sensing device |
US8144126B2 (en) | 2007-05-07 | 2012-03-27 | Cypress Semiconductor Corporation | Reducing sleep current in a capacitance sensing system |
US9500686B1 (en) | 2007-06-29 | 2016-11-22 | Cypress Semiconductor Corporation | Capacitance measurement system and methods |
US8089289B1 (en) | 2007-07-03 | 2012-01-03 | Cypress Semiconductor Corporation | Capacitive field sensor with sigma-delta modulator |
US8169238B1 (en) | 2007-07-03 | 2012-05-01 | Cypress Semiconductor Corporation | Capacitance to frequency converter |
US8570053B1 (en) | 2007-07-03 | 2013-10-29 | Cypress Semiconductor Corporation | Capacitive field sensor with sigma-delta modulator |
US8525798B2 (en) | 2008-01-28 | 2013-09-03 | Cypress Semiconductor Corporation | Touch sensing |
US8358142B2 (en) | 2008-02-27 | 2013-01-22 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
US8319505B1 (en) | 2008-10-24 | 2012-11-27 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
US9104273B1 (en) | 2008-02-29 | 2015-08-11 | Cypress Semiconductor Corporation | Multi-touch sensing method |
US8321174B1 (en) | 2008-09-26 | 2012-11-27 | Cypress Semiconductor Corporation | System and method to measure capacitance of capacitive sensor array |
US8487639B1 (en) | 2008-11-21 | 2013-07-16 | Cypress Semiconductor Corporation | Receive demodulator for capacitive sensing |
US8866500B2 (en) | 2009-03-26 | 2014-10-21 | Cypress Semiconductor Corporation | Multi-functional capacitance sensing circuit with a current conveyor |
US8223576B2 (en) | 2009-03-31 | 2012-07-17 | Taiwan Semiconductor Manufacturing Company, Ltd. | Regulators regulating charge pump and memory circuits thereof |
US9112452B1 (en) | 2009-07-14 | 2015-08-18 | Rf Micro Devices, Inc. | High-efficiency power supply for a modulated load |
US8723827B2 (en) | 2009-07-28 | 2014-05-13 | Cypress Semiconductor Corporation | Predictive touch surface scanning |
EP2530818A4 (en) | 2010-01-25 | 2017-05-10 | Panasonic Intellectual Property Management Co., Ltd. | Power conversion apparatus, grid connection apparatus, and grid connection system |
US9431974B2 (en) | 2010-04-19 | 2016-08-30 | Qorvo Us, Inc. | Pseudo-envelope following feedback delay compensation |
US8981848B2 (en) | 2010-04-19 | 2015-03-17 | Rf Micro Devices, Inc. | Programmable delay circuitry |
US9099961B2 (en) | 2010-04-19 | 2015-08-04 | Rf Micro Devices, Inc. | Output impedance compensation of a pseudo-envelope follower power management system |
WO2011133542A1 (en) | 2010-04-19 | 2011-10-27 | Rf Micro Devices, Inc. | Pseudo-envelope following power management system |
US9954436B2 (en) | 2010-09-29 | 2018-04-24 | Qorvo Us, Inc. | Single μC-buckboost converter with multiple regulated supply outputs |
US8782107B2 (en) | 2010-11-16 | 2014-07-15 | Rf Micro Devices, Inc. | Digital fast CORDIC for envelope tracking generation |
US8942313B2 (en) | 2011-02-07 | 2015-01-27 | Rf Micro Devices, Inc. | Group delay calibration method for power amplifier envelope tracking |
US9268441B2 (en) | 2011-04-05 | 2016-02-23 | Parade Technologies, Ltd. | Active integrator for a capacitive sense array |
US9379667B2 (en) | 2011-05-05 | 2016-06-28 | Rf Micro Devices, Inc. | Multiple power supply input parallel amplifier based envelope tracking |
US9246460B2 (en) | 2011-05-05 | 2016-01-26 | Rf Micro Devices, Inc. | Power management architecture for modulated and constant supply operation |
US9247496B2 (en) | 2011-05-05 | 2016-01-26 | Rf Micro Devices, Inc. | Power loop control based envelope tracking |
CN102185479B (zh) * | 2011-05-30 | 2013-02-20 | 南京航空航天大学 | 一种双输入Buck变换器的单周期控制电路及其控制方法 |
US9178627B2 (en) | 2011-05-31 | 2015-11-03 | Rf Micro Devices, Inc. | Rugged IQ receiver based RF gain measurements |
US9019011B2 (en) | 2011-06-01 | 2015-04-28 | Rf Micro Devices, Inc. | Method of power amplifier calibration for an envelope tracking system |
US8760228B2 (en) | 2011-06-24 | 2014-06-24 | Rf Micro Devices, Inc. | Differential power management and power amplifier architecture |
US8907644B2 (en) * | 2011-07-14 | 2014-12-09 | Eta Semiconductor Inc. | Synchronization of hysteretic power converters |
US8952710B2 (en) | 2011-07-15 | 2015-02-10 | Rf Micro Devices, Inc. | Pulsed behavior modeling with steady state average conditions |
WO2013012787A2 (en) | 2011-07-15 | 2013-01-24 | Rf Micro Devices, Inc. | Modified switching ripple for envelope tracking system |
US9263996B2 (en) | 2011-07-20 | 2016-02-16 | Rf Micro Devices, Inc. | Quasi iso-gain supply voltage function for envelope tracking systems |
US8942652B2 (en) | 2011-09-02 | 2015-01-27 | Rf Micro Devices, Inc. | Split VCC and common VCC power management architecture for envelope tracking |
US8957728B2 (en) | 2011-10-06 | 2015-02-17 | Rf Micro Devices, Inc. | Combined filter and transconductance amplifier |
US9024688B2 (en) | 2011-10-26 | 2015-05-05 | Rf Micro Devices, Inc. | Dual parallel amplifier based DC-DC converter |
US9484797B2 (en) | 2011-10-26 | 2016-11-01 | Qorvo Us, Inc. | RF switching converter with ripple correction |
CN103988406B (zh) | 2011-10-26 | 2017-03-01 | Qorvo美国公司 | 射频(rf)开关转换器以及使用rf开关转换器的rf放大装置 |
WO2013063387A2 (en) | 2011-10-26 | 2013-05-02 | Rf Micro Devices, Inc. | Inductance based parallel amplifier phase compensation |
US9515621B2 (en) | 2011-11-30 | 2016-12-06 | Qorvo Us, Inc. | Multimode RF amplifier system |
US8975959B2 (en) | 2011-11-30 | 2015-03-10 | Rf Micro Devices, Inc. | Monotonic conversion of RF power amplifier calibration data |
US9250643B2 (en) | 2011-11-30 | 2016-02-02 | Rf Micro Devices, Inc. | Using a switching signal delay to reduce noise from a switching power supply |
US9280163B2 (en) | 2011-12-01 | 2016-03-08 | Rf Micro Devices, Inc. | Average power tracking controller |
US9256234B2 (en) | 2011-12-01 | 2016-02-09 | Rf Micro Devices, Inc. | Voltage offset loop for a switching controller |
US8947161B2 (en) | 2011-12-01 | 2015-02-03 | Rf Micro Devices, Inc. | Linear amplifier power supply modulation for envelope tracking |
US9041365B2 (en) | 2011-12-01 | 2015-05-26 | Rf Micro Devices, Inc. | Multiple mode RF power converter |
US9494962B2 (en) | 2011-12-02 | 2016-11-15 | Rf Micro Devices, Inc. | Phase reconfigurable switching power supply |
US9813036B2 (en) | 2011-12-16 | 2017-11-07 | Qorvo Us, Inc. | Dynamic loadline power amplifier with baseband linearization |
US9298198B2 (en) | 2011-12-28 | 2016-03-29 | Rf Micro Devices, Inc. | Noise reduction for envelope tracking |
KR101316972B1 (ko) | 2012-05-04 | 2013-10-11 | 청주대학교 산학협력단 | 스위칭 전원장치의 수명감지회로 |
US8981839B2 (en) | 2012-06-11 | 2015-03-17 | Rf Micro Devices, Inc. | Power source multiplexer |
CN104662792B (zh) * | 2012-07-26 | 2017-08-08 | Qorvo美国公司 | 用于包络跟踪的可编程rf陷波滤波器 |
US9225231B2 (en) | 2012-09-14 | 2015-12-29 | Rf Micro Devices, Inc. | Open loop ripple cancellation circuit in a DC-DC converter |
US9197256B2 (en) | 2012-10-08 | 2015-11-24 | Rf Micro Devices, Inc. | Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal |
WO2014062902A1 (en) | 2012-10-18 | 2014-04-24 | Rf Micro Devices, Inc | Transitioning from envelope tracking to average power tracking |
US9627975B2 (en) | 2012-11-16 | 2017-04-18 | Qorvo Us, Inc. | Modulated power supply system and method with automatic transition between buck and boost modes |
KR101434057B1 (ko) * | 2012-12-21 | 2014-08-27 | 삼성전기주식회사 | 위상 변환 회로 및 그를 포함하는 역률 보상 회로 |
US9300252B2 (en) | 2013-01-24 | 2016-03-29 | Rf Micro Devices, Inc. | Communications based adjustments of a parallel amplifier power supply |
US9178472B2 (en) | 2013-02-08 | 2015-11-03 | Rf Micro Devices, Inc. | Bi-directional power supply signal based linear amplifier |
WO2014152876A1 (en) | 2013-03-14 | 2014-09-25 | Rf Micro Devices, Inc | Noise conversion gain limited rf power amplifier |
US9197162B2 (en) | 2013-03-14 | 2015-11-24 | Rf Micro Devices, Inc. | Envelope tracking power supply voltage dynamic range reduction |
US9479118B2 (en) | 2013-04-16 | 2016-10-25 | Rf Micro Devices, Inc. | Dual instantaneous envelope tracking |
US9367109B2 (en) * | 2013-07-11 | 2016-06-14 | Qualcomm Incorporated | Switching power supply with noise control |
US9444331B2 (en) * | 2013-07-29 | 2016-09-13 | Infineon Technologies Ag | System and method for a converter circuit |
US9374005B2 (en) | 2013-08-13 | 2016-06-21 | Rf Micro Devices, Inc. | Expanded range DC-DC converter |
KR102081565B1 (ko) | 2013-10-07 | 2020-02-26 | 삼성전자 주식회사 | 고정 기준 전압을 사용하는 신호 송수신 방법 및 그 장치 |
GB2521416B (en) * | 2013-12-19 | 2017-02-01 | Cirrus Logic Int Semiconductor Ltd | Biasing circuitry for MEMS transducers |
US9614476B2 (en) | 2014-07-01 | 2017-04-04 | Qorvo Us, Inc. | Group delay calibration of RF envelope tracking |
US9912297B2 (en) | 2015-07-01 | 2018-03-06 | Qorvo Us, Inc. | Envelope tracking power converter circuitry |
US9948240B2 (en) | 2015-07-01 | 2018-04-17 | Qorvo Us, Inc. | Dual-output asynchronous power converter circuitry |
US9973147B2 (en) | 2016-05-10 | 2018-05-15 | Qorvo Us, Inc. | Envelope tracking power management circuit |
JP6804284B2 (ja) * | 2016-12-14 | 2020-12-23 | 株式会社堀場エステック | 静電容量型センサ |
US10476437B2 (en) | 2018-03-15 | 2019-11-12 | Qorvo Us, Inc. | Multimode voltage tracker circuit |
US11218076B2 (en) * | 2018-10-17 | 2022-01-04 | Texas Instruments Incorporated | Ultra-low Iq buck converter with switchable error amplifier |
US11467612B2 (en) * | 2019-07-09 | 2022-10-11 | Renesas Eledctronics America Inc. | Method and apparatus for pulse frequency modulation with discontinuous voltage sensing |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5600234A (en) * | 1995-03-01 | 1997-02-04 | Texas Instruments Incorporated | Switch mode power converter and method |
US5770940A (en) | 1995-08-09 | 1998-06-23 | Switch Power, Inc. | Switching regulator |
JPH09121536A (ja) * | 1995-08-17 | 1997-05-06 | Harris Corp | デュアルモードdc−dc変換器及び変換方法 |
US5747976A (en) * | 1996-03-26 | 1998-05-05 | Raytheon Company | Constant on-time architecture for switching regulators |
CN1080949C (zh) * | 1996-10-08 | 2002-03-13 | 松下电器产业株式会社 | 电源设备与电压转换器 |
US5912552A (en) * | 1997-02-12 | 1999-06-15 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | DC to DC converter with high efficiency for light loads |
JP2000032744A (ja) * | 1998-07-08 | 2000-01-28 | Toyota Autom Loom Works Ltd | Dc/dcコンバータおよびその制御方法 |
JP2000312468A (ja) * | 1999-04-23 | 2000-11-07 | Seiko Instruments Inc | スイッチング・レギュレータ制御回路 |
US6531853B2 (en) * | 2000-11-21 | 2003-03-11 | Rohm Co., Ltd. | DC-DC converter |
EP1220432A3 (en) * | 2000-12-19 | 2003-01-29 | Fuji Electric Co., Ltd. | Noise reduction apparatus for electric power conversion apparatus |
JP2002199708A (ja) * | 2000-12-22 | 2002-07-12 | Hitachi Ltd | Dc−dcコンバータ |
US6490181B1 (en) * | 2001-08-24 | 2002-12-03 | The University Of Hong Kong | Apparatus for reducing common mode noise current in power converters |
EP1322029A1 (en) * | 2001-12-18 | 2003-06-25 | STMicroelectronics N.V. | DC/DC converter with improved stability |
US6897683B2 (en) * | 2002-11-14 | 2005-05-24 | Fyre Storm, Inc. | Driver including first and second buffers for driving an external coil or first and second transistors |
DE10334958A1 (de) * | 2003-07-31 | 2005-02-24 | Deutsche Thomson-Brandt Gmbh | Schaltnetzteil |
-
2004
- 2004-01-21 US US10/762,650 patent/US6958594B2/en active Active
-
2005
- 2005-01-05 WO PCT/US2005/000321 patent/WO2005074111A1/en active Application Filing
- 2005-01-05 JP JP2006551111A patent/JP4585524B2/ja not_active Expired - Fee Related
- 2005-01-05 CN CN2005800027126A patent/CN1910807B/zh not_active Expired - Fee Related
- 2005-01-05 EP EP05705109.6A patent/EP1714377B1/en not_active Expired - Fee Related
- 2005-01-20 TW TW094101728A patent/TWI271606B/zh active
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101834522B (zh) * | 2009-03-12 | 2012-12-12 | 登丰微电子股份有限公司 | 具有防止噪声的转换电路及转换控制器 |
CN102904449A (zh) * | 2011-07-26 | 2013-01-30 | 崇贸科技股份有限公司 | 提供功率转换器缆线补偿的调整电路 |
CN102655368A (zh) * | 2012-05-02 | 2012-09-05 | 常州大学 | 开关电源的恒定关断时间控制方法及其装置 |
CN104521124B (zh) * | 2012-07-21 | 2018-01-02 | Nlt科技股份有限公司 | Dc/dc转换器和显示设备 |
CN102868293A (zh) * | 2012-09-10 | 2013-01-09 | 常州大学 | 固定关断时间控制开关变换器的斜坡补偿控制方法及装置 |
CN104052284A (zh) * | 2013-03-13 | 2014-09-17 | 拉碧斯半导体株式会社 | 升压型开关稳压器以及半导体装置 |
CN104052284B (zh) * | 2013-03-13 | 2018-12-14 | 拉碧斯半导体株式会社 | 升压型开关稳压器以及半导体装置 |
CN104022645A (zh) * | 2014-06-12 | 2014-09-03 | 常州大学 | 一种开关变换器的恒频固定关断时间控制装置 |
CN104022645B (zh) * | 2014-06-12 | 2016-08-17 | 常州大学 | 一种开关变换器的恒频固定关断时间控制装置 |
Also Published As
Publication number | Publication date |
---|---|
TW200535588A (en) | 2005-11-01 |
JP4585524B2 (ja) | 2010-11-24 |
EP1714377A1 (en) | 2006-10-25 |
EP1714377B1 (en) | 2016-03-09 |
US20050156582A1 (en) | 2005-07-21 |
US6958594B2 (en) | 2005-10-25 |
CN1910807B (zh) | 2011-05-11 |
WO2005074111A1 (en) | 2005-08-11 |
TWI271606B (en) | 2007-01-21 |
JP2007519390A (ja) | 2007-07-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1910807A (zh) | 用于直流至直流转换器之切换噪声滤波电路 | |
US9467043B2 (en) | Buck DC-DC converter with fixed frequency | |
CN107546964B (zh) | 一种dc-dc转换器的环路控制系统及控制方法 | |
CN106357104B (zh) | 一种软启动供电电路及其控制方法、显示装置 | |
CN1711670A (zh) | 用于直流/直流转换器的控制器 | |
CN106487225A (zh) | 开关电源装置 | |
CN1042382C (zh) | 电源变换系统 | |
CN1449097A (zh) | 具有两个或多个输出的开关稳压器 | |
CN1065085C (zh) | 升压型开关电源装置 | |
US9317049B2 (en) | Emulated current ramp for DC-DC converter | |
CN1603996A (zh) | 多相合成脉动电压稳压器同步法 | |
CN1933312A (zh) | 电源调压器以及控制电路 | |
CN102386771B (zh) | 控制器、电流控制方法以及直流直流转换器 | |
US20190245435A1 (en) | Electronic Converter, Related Audio System, Integrated Circuit and Method of Operating an Electronic Converter | |
CN1501572A (zh) | 用于直流/直流转换器的控制器 | |
CN1449099A (zh) | 电源装置以及包括该装置的便携式机器 | |
JP2006314197A (ja) | 低損失dc/dcコンバータ | |
CN1783678A (zh) | 多输出电源电路 | |
CN1433153A (zh) | 具有开关电容器重复采样滤波器的模拟锁相环 | |
CN1111956C (zh) | 锁相环电路 | |
CN1578581A (zh) | 具有独立调节频率和占空度冷阴极荧光灯的电路 | |
US6201420B1 (en) | Electronic driver circuit that utilizes resonance with load circuitry in combination with timed switching to reduce power consumption | |
CN206060525U (zh) | 一种软启动供电电路、显示装置 | |
CN1969446A (zh) | Dc-dc转换器以及电源装置 | |
CN1666404A (zh) | Dc-dc变换器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SEMICONDUCTOR DEVICE INDUSTRY CO., LTD. Free format text: FORMER OWNER: ANALOG DEVICES, INC. Effective date: 20080725 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20080725 Address after: Arizona USA Applicant after: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC Address before: Massachusetts, USA Applicant before: ANALOG DEVICES, Inc. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20220105 |