JP2008035641A5 - - Google Patents

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Publication number
JP2008035641A5
JP2008035641A5 JP2006207008A JP2006207008A JP2008035641A5 JP 2008035641 A5 JP2008035641 A5 JP 2008035641A5 JP 2006207008 A JP2006207008 A JP 2006207008A JP 2006207008 A JP2006207008 A JP 2006207008A JP 2008035641 A5 JP2008035641 A5 JP 2008035641A5
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JP
Japan
Prior art keywords
switch
synchronous rectification
signal
output
control circuit
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JP2006207008A
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English (en)
Japanese (ja)
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JP2008035641A (ja
JP4710749B2 (ja
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Priority to JP2006207008A priority Critical patent/JP4710749B2/ja
Priority claimed from JP2006207008A external-priority patent/JP4710749B2/ja
Priority to US11/878,936 priority patent/US7906942B2/en
Publication of JP2008035641A publication Critical patent/JP2008035641A/ja
Publication of JP2008035641A5 publication Critical patent/JP2008035641A5/ja
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Publication of JP4710749B2 publication Critical patent/JP4710749B2/ja
Expired - Fee Related legal-status Critical Current
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JP2006207008A 2006-07-28 2006-07-28 Ｄｃ−ｄｃコンバータの制御回路及び方法 Expired - Fee Related JP4710749B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006207008A JP4710749B2 (ja) 2006-07-28 2006-07-28 Ｄｃ−ｄｃコンバータの制御回路及び方法
US11/878,936 US7906942B2 (en) 2006-07-28 2007-07-27 Control circuit of DC-DC converter with synchronous rectifier adjusting signal to improve efficiency at light loads and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006207008A JP4710749B2 (ja) 2006-07-28 2006-07-28 Ｄｃ−ｄｃコンバータの制御回路及び方法

Publications (3)

Publication Number Publication Date
JP2008035641A JP2008035641A (ja) 2008-02-14
JP2008035641A5 true JP2008035641A5 (enExample) 2009-04-16
JP4710749B2 JP4710749B2 (ja) 2011-06-29

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Family Applications (1)

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JP2006207008A Expired - Fee Related JP4710749B2 (ja) 2006-07-28 2006-07-28 Ｄｃ−ｄｃコンバータの制御回路及び方法

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US (1) US7906942B2 (enExample)
JP (1) JP4710749B2 (enExample)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009054143A1 (ja) * 2007-10-24 2009-04-30 Kabushiki Kaisha Toshiba 電力変換装置
EP2104213B1 (fr) * 2008-03-19 2012-05-30 The Swatch Group Research and Development Ltd. Procédé d'asservissement d'un convertisseur DC-DC en mode discontinu
US8134848B2 (en) * 2009-08-12 2012-03-13 Alcatel Lucent Closed-loop efficiency modulation for use in AC powered applications
CN101924469B (zh) * 2010-08-06 2012-10-24 东南大学 具有快速瞬态响应的开关电源
WO2012042942A1 (ja) * 2010-09-28 2012-04-05 株式会社村田製作所 Ｄｃ－ｄｃコンバータ
US8611109B2 (en) * 2010-09-30 2013-12-17 Infineon Technologies Ag Flyback converter with an adaptively controlled rectifier arrangement
JP5472052B2 (ja) * 2010-11-17 2014-04-16 株式会社デンソー 電力変換回路の駆動制御装置
US8570772B2 (en) * 2012-01-26 2013-10-29 Linear Technology Corporation Isolated flyback converter with efficient light load operation
US9128498B2 (en) 2012-01-30 2015-09-08 Texas Instruments Incorporated Dead-time compensation in a power supply system
US9588532B2 (en) * 2012-03-26 2017-03-07 Infineon Technologies Americas Corp. Voltage regulator having an emulated ripple generator
CN102931952B (zh) * 2012-10-18 2015-04-01 株洲变流技术国家工程研究中心有限公司 一种同步信号采集系统
CN102946204B (zh) * 2012-11-30 2015-01-07 无锡中星微电子有限公司 一种ac-dc调节器和调节方法
CN103795259B (zh) * 2014-01-17 2016-08-17 矽力杰半导体技术(杭州)有限公司 开关控制方法及控制电路以及带该控制电路的开关电源
JP6248680B2 (ja) * 2014-02-18 2017-12-20 富士通株式会社 同期整流コンバータおよび同期整流コンバータの制御方法
EP3149854A1 (en) * 2014-07-01 2017-04-05 Huawei Technologies Co. Ltd. Unit and method for synchronous rectification control
US9685868B2 (en) * 2015-02-10 2017-06-20 Dialog Semiconductor (Uk) Limited Synchronous rectifier for buck converter without the need for a comparator
CN106602687A (zh) * 2015-10-19 2017-04-26 北京纳米能源与系统研究所 摩擦纳米发电机的能量管理方法、电路和装置
US10193442B2 (en) 2016-02-09 2019-01-29 Faraday Semi, LLC Chip embedded power converters
CN105553261B (zh) * 2016-02-19 2018-09-25 京东方科技集团股份有限公司 Dc-dc转换控制模块、dc-dc转换器及显示装置
US9900942B1 (en) 2016-10-21 2018-02-20 Semiconductor Components Industries, Llc Apparatus, systems and methods for average current and frequency control in a synchronous buck DC/DC LED driver
US9887614B1 (en) 2016-10-21 2018-02-06 Semiconductor Components Industries, Llc Apparatus, systems and methods for average current control in a buck DC/DC LED driver
US11251702B2 (en) 2017-02-14 2022-02-15 Cirrus Logic, Inc. Boost converter with forced continuous conduction mode
US10164543B2 (en) * 2017-04-13 2018-12-25 Semiconductor Components Industries, Llc System and method for controlling power converter with adaptive turn-on delay
US10840806B2 (en) * 2017-05-25 2020-11-17 Dialog Semiconductor (Uk) Limited Preventing sub-harmonic oscillation with clock delay compensation, in a DC-DC switching converter
CN107134922B (zh) * 2017-07-05 2023-10-31 郑州工业应用技术学院 一种仪用电源的转换电路
KR102028318B1 (ko) * 2018-01-23 2019-10-04 어보브반도체 주식회사 디지털 방식의 역전류를 차단할 수 있는 저전력 직류-직류 변환 장치 및 그것의 동작 방법
CN110544452B (zh) * 2018-05-28 2021-08-17 京东方科技集团股份有限公司 供电时序控制电路及控制方法、显示驱动电路、显示装置
US10504848B1 (en) 2019-02-19 2019-12-10 Faraday Semi, Inc. Chip embedded integrated voltage regulator
US11069624B2 (en) 2019-04-17 2021-07-20 Faraday Semi, Inc. Electrical devices and methods of manufacture
WO2021029018A1 (ja) * 2019-08-13 2021-02-18 オムロン株式会社 Ｄｃｄｃ変換装置の制御装置
US11063516B1 (en) 2020-07-29 2021-07-13 Faraday Semi, Inc. Power converters with bootstrap
US12107490B1 (en) * 2020-11-04 2024-10-01 Empower Semiconductor, Inc. Voltage regulator having programmable adaptive dead time
CN113949270A (zh) * 2021-12-22 2022-01-18 江苏由甲申田新能源科技有限公司 一种升压电路控制方法及装置
US11990839B2 (en) 2022-06-21 2024-05-21 Faraday Semi, Inc. Power converters with large duty cycles
CN117879565B (zh) * 2023-10-08 2024-08-27 深圳市思远半导体有限公司 一种切换电路及方法、dcdc
US20250149982A1 (en) * 2023-11-03 2025-05-08 Texas Instruments Incorporated Power converter with auxiliary inductor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4889931A (en) * 1988-09-27 1989-12-26 Salutar, Inc. Manganese (II) chelate manufacture
GB9206020D0 (en) * 1992-03-19 1992-04-29 Astec Int Ltd Transition resonant convertor
US5481178A (en) 1993-03-23 1996-01-02 Linear Technology Corporation Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit
US5912552A (en) * 1997-02-12 1999-06-15 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho DC to DC converter with high efficiency for light loads
JPH1169802A (ja) * 1997-08-06 1999-03-09 Fujitsu Denso Ltd 同期整流回路
JPH11146637A (ja) * 1997-11-06 1999-05-28 Sony Corp 電源回路及び電源回路制御方法
JP3418672B2 (ja) * 1998-02-10 2003-06-23 シャープ株式会社 同期整流回路
JP2000092824A (ja) * 1998-09-10 2000-03-31 Matsushita Electric Ind Co Ltd スイッチングレギュレータおよびｌｓｉシステム
US6815936B2 (en) * 2002-08-21 2004-11-09 Intersil Americas Inc. Closed loop diode emulator for DC-DC converter
US6992906B1 (en) * 2002-12-10 2006-01-31 Edward Herbert Synthetic rectifiers
US7279877B1 (en) * 2006-04-21 2007-10-09 Linear Technology Corp. Adaptive current reversal comparator

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