JP2002325432A5 - - Google Patents

Download PDF

Info

Publication number
JP2002325432A5
JP2002325432A5 JP2002104583A JP2002104583A JP2002325432A5 JP 2002325432 A5 JP2002325432 A5 JP 2002325432A5 JP 2002104583 A JP2002104583 A JP 2002104583A JP 2002104583 A JP2002104583 A JP 2002104583A JP 2002325432 A5 JP2002325432 A5 JP 2002325432A5
Authority
JP
Japan
Prior art keywords
switching regulator
switching
circuit
flop
data flip
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
Application number
JP2002104583A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002325432A (ja
JP4056780B2 (ja
Filing date
Publication date
Priority claimed from US09/827,872 external-priority patent/US6476589B2/en
Application filed filed Critical
Publication of JP2002325432A publication Critical patent/JP2002325432A/ja
Publication of JP2002325432A5 publication Critical patent/JP2002325432A5/ja
Application granted granted Critical
Publication of JP4056780B2 publication Critical patent/JP4056780B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP2002104583A 2001-04-06 2002-04-05 不定周波数の切換調整器を位相ロックループと同期させるための回路および方法 Expired - Lifetime JP4056780B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/827,872 US6476589B2 (en) 2001-04-06 2001-04-06 Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop
US09/827,872 2001-04-06

Publications (3)

Publication Number Publication Date
JP2002325432A JP2002325432A (ja) 2002-11-08
JP2002325432A5 true JP2002325432A5 (enExample) 2005-09-15
JP4056780B2 JP4056780B2 (ja) 2008-03-05

Family

ID=25250385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002104583A Expired - Lifetime JP4056780B2 (ja) 2001-04-06 2002-04-05 不定周波数の切換調整器を位相ロックループと同期させるための回路および方法

Country Status (6)

Country Link
US (3) US6476589B2 (enExample)
EP (1) EP1248352B1 (enExample)
JP (1) JP4056780B2 (enExample)
AT (1) ATE385623T1 (enExample)
DE (1) DE60224896T2 (enExample)
TW (1) TW554613B (enExample)

Families Citing this family (126)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6476589B2 (en) * 2001-04-06 2002-11-05 Linear Technology Corporation Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop
DE10125334A1 (de) * 2001-05-23 2002-12-05 Infineon Technologies Ag Gleichspannungswandler mit Schaltregler
US20030016545A1 (en) * 2001-06-05 2003-01-23 Bel-Fuse, Inc. Buck regulator with adaptive auxiliary voltage flyback regulator
US6667602B2 (en) * 2002-03-08 2003-12-23 Visteon Global Technologies, Inc. Low frequency switching voltage pre-regulator
US6664774B2 (en) * 2002-03-27 2003-12-16 Semtech Corporation Offset peak current mode control circuit for multiple-phase power converter
WO2003085476A1 (en) * 2002-04-03 2003-10-16 International Rectifier Corporation Synchronous buck converter improvements
JP3742780B2 (ja) * 2002-05-09 2006-02-08 松下電器産業株式会社 Ｄｃ−ｄｃコンバータ
US6670794B1 (en) * 2002-07-12 2003-12-30 Richtek Technology Corp. Multi-phase DC-to-DC buck converter with multi-phase current balance and adjustable load regulation
US7020786B2 (en) * 2002-07-23 2006-03-28 Dell Products L.P. System and method for selecting a voltage output reference
US7058374B2 (en) * 2002-10-15 2006-06-06 Skyworks Solutions, Inc. Low noise switching voltage regulator
US7394445B2 (en) 2002-11-12 2008-07-01 Power-One, Inc. Digital power manager for controlling and monitoring an array of point-of-load regulators
US6949916B2 (en) 2002-11-12 2005-09-27 Power-One Limited System and method for controlling a point-of-load regulator
US7456617B2 (en) 2002-11-13 2008-11-25 Power-One, Inc. System for controlling and monitoring an array of point-of-load regulators by a host
US6833691B2 (en) 2002-11-19 2004-12-21 Power-One Limited System and method for providing digital pulse width modulation
US7882372B2 (en) 2002-12-21 2011-02-01 Power-One, Inc. Method and system for controlling and monitoring an array of point-of-load regulators
US7743266B2 (en) 2002-12-21 2010-06-22 Power-One, Inc. Method and system for optimizing filter compensation coefficients for a digital power control system
US7737961B2 (en) 2002-12-21 2010-06-15 Power-One, Inc. Method and system for controlling and monitoring an array of point-of-load regulators
US7836322B2 (en) 2002-12-21 2010-11-16 Power-One, Inc. System for controlling an array of point-of-load regulators and auxiliary devices
US7266709B2 (en) 2002-12-21 2007-09-04 Power-One, Inc. Method and system for controlling an array of point-of-load regulators and auxiliary devices
US7673157B2 (en) 2002-12-21 2010-03-02 Power-One, Inc. Method and system for controlling a mixed array of point-of-load regulators through a bus translator
US7249267B2 (en) 2002-12-21 2007-07-24 Power-One, Inc. Method and system for communicating filter compensation coefficients for a digital power control system
US7373527B2 (en) 2002-12-23 2008-05-13 Power-One, Inc. System and method for interleaving point-of-load regulators
TWI234058B (en) * 2003-01-02 2005-06-11 Richtek Techohnology Corp Switching type voltage regulator and its method
US7710092B2 (en) 2003-02-10 2010-05-04 Power-One, Inc. Self tracking ADC for digital power supply control systems
US7023190B2 (en) 2003-02-10 2006-04-04 Power-One, Inc. ADC transfer function providing improved dynamic regulation in a switched mode power supply
JP3710454B2 (ja) * 2003-03-31 2005-10-26 Ｔｄｋ株式会社 電源装置及びその制御装置
US7080265B2 (en) 2003-03-14 2006-07-18 Power-One, Inc. Voltage set point control scheme
US6936999B2 (en) 2003-03-14 2005-08-30 Power-One Limited System and method for controlling output-timing parameters of power converters
US6819577B1 (en) 2003-05-19 2004-11-16 Texas Instruments Incorporated Distributing clock and programming phase shift in multiphase parallelable converters
US6906499B2 (en) * 2003-06-27 2005-06-14 Seagate Technology Llc Current mode bang-bang controller in a switching voltage regulator
ITMI20031315A1 (it) * 2003-06-27 2004-12-28 St Microelectronics Srl Dispositivo per la correzione del fattore di potenza in alimentatori a commutazione forzata.
WO2005022735A1 (de) * 2003-08-27 2005-03-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Steuerungsvorrichtung zum steuern eines ladeschalters in einem schaltregler und verfahren zum steuern eines ladeschalters
US7313176B1 (en) * 2003-09-11 2007-12-25 Xilinx, Inc. Programmable on chip regulators with bypass
PL1531538T3 (pl) 2003-11-11 2014-09-30 Kostal Leopold Gmbh & Co Kg Sposób sterowania przetwornicą zwiększającą napięcie i wielokanałowa przetwornica napięcia oraz jej zastosowanie
US7532542B2 (en) * 2004-01-20 2009-05-12 Shotspotter, Inc. System and method for improving the efficiency of an acoustic sensor
US7372682B2 (en) 2004-02-12 2008-05-13 Power-One, Inc. System and method for managing fault in a power system
US7250746B2 (en) * 2004-03-31 2007-07-31 Matsushita Electric Industrial Co., Ltd. Current mode switching regulator with predetermined on time
US7199636B2 (en) * 2004-03-31 2007-04-03 Matsushita Electric Industrial Co., Ltd. Active diode
US7405497B2 (en) * 2004-04-13 2008-07-29 Electrovaya Inc. Integrated power supply system
US7268526B1 (en) * 2004-04-21 2007-09-11 National Semiconductor Corporation Switch mode power supply control circuit
US7045993B1 (en) * 2004-04-29 2006-05-16 National Semiconductor Corporation Apparatus and method for step-down switching voltage regulation
US7372238B1 (en) * 2004-04-29 2008-05-13 National Semiconductor Corporation Apparatus and method for step-down switching voltage regulation
US7045992B1 (en) 2004-06-22 2006-05-16 National Semiconductor Corporation Apparatus and method for start-up for a synchronous switching regulator
US6956361B1 (en) * 2004-07-14 2005-10-18 Delphi Technologies, Inc. DC/DC converter employing synchronous rectification
US7282900B2 (en) * 2004-08-25 2007-10-16 Matsushita Electric Industrial Co., Ltd. Performance controller for a step down current mode switching regulator
US7282894B2 (en) * 2004-08-25 2007-10-16 Matsushita Electric Industrial Co., Ltd. Method and apparatus for performing lossless sensing and negative inductor currents in a high side switch
JP4630763B2 (ja) * 2004-08-25 2011-02-09 パナソニック株式会社 固定周波数電流モードのスイッチングレギュレータにおける高次の傾き補償
JP2006067730A (ja) * 2004-08-27 2006-03-09 Sanken Electric Co Ltd 力率改善回路
TWI242928B (en) * 2004-09-10 2005-11-01 Richtek Techohnology Corp Electronic circuit using normally-on junction field effect transistor
US7579819B1 (en) 2004-11-10 2009-08-25 National Semiconductor Corporation Apparatus and method for flywheel current injection for a regulator
US7221134B1 (en) * 2004-11-10 2007-05-22 National Semiconductor Corporation Apparatus and method for flywheel current injection for a regulator
US7292015B2 (en) * 2004-11-18 2007-11-06 Matsushita Electric Industrial Co., Ltd. High efficiency, high slew rate switching regulator/amplifier
JP2006158097A (ja) * 2004-11-30 2006-06-15 Renesas Technology Corp 電源制御用半導体集積回路および電子部品並びに電源装置
US7071664B1 (en) * 2004-12-20 2006-07-04 Texas Instruments Incorporated Programmable voltage regulator configurable for double power density and reverse blocking
US7466112B2 (en) * 2005-02-08 2008-12-16 Linear Technology Corporation Variable frequency current-mode control for switched step up-step down regulators
US7394231B2 (en) * 2005-02-08 2008-07-01 Linear Technology Corporation Current-mode control for switched step up-step down regulators
US7365525B2 (en) 2005-02-08 2008-04-29 Linear Technology Corporation Protection for switched step up/step down regulators
US7256570B2 (en) * 2005-02-08 2007-08-14 Linear Technology Corporation Light load current-mode control for switched step up-step down regulators
US7141956B2 (en) 2005-03-18 2006-11-28 Power-One, Inc. Digital output voltage regulation circuit having first control loop for high speed and second control loop for high accuracy
US7554310B2 (en) 2005-03-18 2009-06-30 Power-One, Inc. Digital double-loop output voltage regulation
US7602158B1 (en) * 2005-03-21 2009-10-13 National Semiconductor Corporation Power circuit for generating non-isolated low voltage power in a standby condition
US7919952B1 (en) * 2005-03-21 2011-04-05 Microsemi Corporation Automatic gain control technique for current monitoring in current-mode switching regulators
US20060215680A1 (en) * 2005-03-28 2006-09-28 Camagna John R Method for high voltage power feed on differential cable pairs
US7239115B2 (en) 2005-04-04 2007-07-03 Power-One, Inc. Digital pulse width modulation controller with preset filter coefficients
US7327149B2 (en) 2005-05-10 2008-02-05 Power-One, Inc. Bi-directional MOS current sense circuit
US7425819B2 (en) * 2005-06-16 2008-09-16 Microsemi Corporation Slope compensation circuit
US7391199B2 (en) * 2005-07-20 2008-06-24 Matsushita Electric Industrial Co., Ltd. DC-DC converter
US7688046B2 (en) * 2005-07-25 2010-03-30 Apple Inc. Power converters having varied switching frequencies
US7342383B1 (en) 2005-11-07 2008-03-11 National Semiconductor Corporation Apparatus and method for smooth DCM-to-CCM transition in a multi-phase DC-DC converter
US7466569B2 (en) * 2005-11-16 2008-12-16 System General Corporation Power converter having phase lock circuit for quasi-resonant soft switching
US7714562B2 (en) * 2005-12-05 2010-05-11 Panasonic Corporation Hysteretic switching regulator
US7528587B2 (en) * 2005-12-27 2009-05-05 Linear Technology Corporation Switched converter with variable peak current and variable off-time control
JP4753729B2 (ja) * 2006-01-27 2011-08-24 パナソニック株式会社 スイッチング制御回路
TWI308996B (en) * 2006-03-22 2009-04-21 Anpec Electronics Corp Switching regulator capable of fixing frequency
US7498864B2 (en) * 2006-04-04 2009-03-03 Freescale Semiconductor, Inc. Electronic fuse for overcurrent protection
TWI319134B (en) * 2006-06-16 2010-01-01 Mitac Int Corp Power switch device and method for cluster computer
US7495424B1 (en) * 2006-08-11 2009-02-24 National Semiconductor Corporation Overload compensation circuit with improved recovery response for a power supply
US20080084239A1 (en) * 2006-09-08 2008-04-10 Matsushita Electric Industrial Co., Ltd. Regulated charge pump circuit
JP4629648B2 (ja) * 2006-11-28 2011-02-09 ザインエレクトロニクス株式会社 コンパレータ方式ｄｃ−ｄｃコンバータ
US7598715B1 (en) 2007-04-04 2009-10-06 National Semiconductor Corporation Apparatus and method for reverse current correction for a switching regulator
US8446136B2 (en) * 2007-04-13 2013-05-21 Advanced Analogic Technologies, Inc. Pseudo fixed frequency switch-mode DC/DC voltage regulator control method
US7936160B1 (en) 2007-04-25 2011-05-03 National Semiconductor Corporation Apparatus and method for valley emulated current mode control
TW200903959A (en) * 2007-07-13 2009-01-16 Richtek Technology Corp Switching voltage converter capable of covering switching noise and the method thereof
US8350546B2 (en) 2007-08-15 2013-01-08 Advanced Analogic Technologies, Inc. High voltage SEPIC converter
US7683719B2 (en) * 2007-09-07 2010-03-23 Panasonic Corporation Internal frequency compensation circuit for integrated circuit controllers
US7737668B2 (en) * 2007-09-07 2010-06-15 Panasonic Corporation Buck-boost switching regulator
US7834613B2 (en) 2007-10-30 2010-11-16 Power-One, Inc. Isolated current to voltage, voltage to voltage converter
US7679341B2 (en) * 2007-12-12 2010-03-16 Monolithic Power Systems, Inc. External control mode step down switching regulator
US7923974B2 (en) * 2008-01-04 2011-04-12 Chil Semiconductor Corporation Modification of switch activation order in a power supply
US7868595B1 (en) * 2008-06-17 2011-01-11 National Semiconductor Corporation Apparatus and method for soft-start mode transition in a switching regulator
US20100045245A1 (en) * 2008-08-19 2010-02-25 Advanced Analogic Technologies, Inc. Control Method for DC/DC Converters and Switching Regulators
JP5093037B2 (ja) * 2008-10-03 2012-12-05 サンケン電気株式会社 負荷駆動回路
US8203320B2 (en) * 2009-01-07 2012-06-19 Linear Technology Corporation Switching mode converters
US8188723B2 (en) * 2009-01-22 2012-05-29 Infineon Technologies Ag Switching converter and method to control a switching converter
JP5402469B2 (ja) * 2009-09-28 2014-01-29 サンケン電気株式会社 電力変換装置及び制御回路
US8258767B2 (en) * 2010-01-13 2012-09-04 Alpha & Omega Semiconductor, Inc. Power conversion system and power control method for reducing cross regulation effect
US8330441B1 (en) * 2010-01-25 2012-12-11 National Semiconductor Corporation Technique for reducing crosstalk interference between integrated switching regulators
US9397571B2 (en) 2010-06-23 2016-07-19 Volterra Semiconductor Corporation Controlled delivery of a charging current to a boost capacitor of a voltage regulator
US9203301B2 (en) 2010-06-23 2015-12-01 Volterra Semiconductor Corporation Feedback for controlling the switching frequency of a voltage regulator
US8629669B2 (en) 2010-07-27 2014-01-14 Volterra Semiconductor Corporation Sensing and feedback in a current mode control voltage regulator
JP2012050191A (ja) * 2010-08-25 2012-03-08 Rohm Co Ltd スイッチングレギュレータ
TWI427908B (zh) * 2010-12-30 2014-02-21 Realtek Semiconductor Corp 單電感雙輸出電源轉換器與其驅動方法
TWI430069B (zh) 2011-04-01 2014-03-11 Richtek Technology Corp 定頻式導通時間控制系統及方法以及使用其的電壓調節器
US8912775B2 (en) 2011-04-12 2014-12-16 Infineon Technologies Ag Power factor correction circuit having multiple switched-mode converter circuits
JP5772191B2 (ja) * 2011-04-28 2015-09-02 ミツミ電機株式会社 スイッチング電源装置
US8953341B2 (en) 2011-05-09 2015-02-10 Infineon Technologies Ag Converter with reduced power consumption
KR101832409B1 (ko) 2011-05-17 2018-02-27 삼성디스플레이 주식회사 게이트 구동부 및 이를 포함하는 액정 표시 장치
US8643350B2 (en) * 2011-06-11 2014-02-04 Shenzhen China Star Optoelectronics Technology Co., Ltd. Self-driven synchronous rectification boost converter having high step-up ratio
JP5752513B2 (ja) * 2011-07-29 2015-07-22 ブラザー工業株式会社 電源システム、それを備えた画像形成装置
JP5834790B2 (ja) * 2011-11-09 2015-12-24 ブラザー工業株式会社 電源システム、同電源システムを備えた画像形成装置および電源システムの制御方法
TWI446699B (zh) * 2011-12-27 2014-07-21 Richtek Technology Corp 具有降壓調節能力的升壓轉換器及其降壓調節方法
US9195246B2 (en) 2012-02-09 2015-11-24 Volterra Semiconductor Corporation Virtual output voltage sensing for feed-forward control of a voltage regulator
US8957655B2 (en) * 2012-03-16 2015-02-17 Micrel, Inc. Last gasp hold-up circuit using adaptive constant on time control
US9281747B2 (en) 2012-06-26 2016-03-08 Volterra Semiconductor Corporation Voltage regulator control using information from a load
CN102751874B (zh) * 2012-06-27 2015-01-07 电子科技大学 自适应恒定导通时间控制电路
EP2750276A1 (en) 2012-12-28 2014-07-02 Dialog Semiconductor GmbH Phase lock loop controlled current mode buck converter
JP6304577B2 (ja) 2013-01-31 2018-04-04 ブラザー工業株式会社 電源システム、同電源システムを備えた画像形成装置および電源システムの制御方法
JP6111705B2 (ja) 2013-02-01 2017-04-12 ブラザー工業株式会社 電源システム
JP6020219B2 (ja) 2013-02-06 2016-11-02 ブラザー工業株式会社 電源システム
JP6044380B2 (ja) 2013-02-18 2016-12-14 ブラザー工業株式会社 電源システム、同電源システムを備えた画像形成装置
CN105322766B (zh) 2014-06-13 2018-09-07 立锜科技股份有限公司 固定导通或固定关闭时间切换式电源供应器及其控制电路
US9748842B1 (en) * 2016-07-18 2017-08-29 Texas Instruments Incorporated Sense circuit for voltage converter
US10218366B1 (en) 2017-11-27 2019-02-26 Linear Technology Holding Llc Phase locked loop calibration for synchronizing non-constant frequency switching regulators
US11081963B2 (en) * 2019-11-27 2021-08-03 Infineon Technologies Austria Ag Slope detection and correction for current sensing using on-state resistance of a power switch
US11289998B2 (en) * 2020-07-31 2022-03-29 Texas Instruments Incorporated Current limiting technique for buck converters
US11223276B1 (en) * 2020-10-30 2022-01-11 Monolithic Power Systems, Inc. Adaptive constant on time converter and the method thereof

Family Cites Families (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458798A (en) 1966-09-15 1969-07-29 Ibm Solid state rectifying circuit arrangements
DE1638009B2 (de) 1968-01-23 1972-08-24 Danfoss A/S, Nordborg (Danemark) Gleichspannungsgespeiste, geregelte gleichspannungsversorgung
US3571697A (en) 1968-12-16 1971-03-23 Collins Radio Co Variable impedance switching regulator
US3581186A (en) 1969-03-19 1971-05-25 Motorola Inc Reduced forward voltage drop rectifying circuit
US3579091A (en) 1969-05-16 1971-05-18 Bell Telephone Labor Inc Switching regulator with random noise generator
US3582758A (en) 1969-09-30 1971-06-01 Ibm Rectifier using low saturation voltage transistors
US3772588A (en) 1971-10-01 1973-11-13 Cogar Corp Dual control loop switching regulator
US3733540A (en) 1972-02-03 1973-05-15 Motorola Inc Switching regulator sweep starting protection circuit
US3725766A (en) * 1972-08-17 1973-04-03 Lorain Prod Corp Frequency compensating circuit for voltage regulators
US3784893A (en) 1973-01-10 1974-01-08 Bell Telephone Labor Inc High voltage shutdown protection circuit with bias arrangement to decrease the voltage shutdown point with increasing load
FR2220114B1 (enExample) 1973-03-01 1976-11-05 Silec Semi Conducteurs
US3863128A (en) 1973-07-30 1975-01-28 Honeywell Inc Voltage monitoring controlling and protecting apparatus employing programmable unijunction transistor
US3879647A (en) 1974-06-07 1975-04-22 Bell Telephone Labor Inc DC to DC converter with regulation having accelerated soft start into active control region of regulation and fast response overcurrent limiting features
US4013939A (en) 1974-12-30 1977-03-22 Trw Inc. Multiple feedback control apparatus for power conditioning equipment
US4035710A (en) 1975-10-20 1977-07-12 International Business Machines Corporation Pulse width modulated voltage regulator-converter/power converter having means for improving the static stability characteristics thereof
US4071884A (en) 1976-06-14 1978-01-31 Micro Components Corporation Integrated circuit high voltage DC converter
US4160288A (en) 1978-05-17 1979-07-03 Communications Satellite Corp. Active filter circuit for regulated dc to dc power supplies
US4309650A (en) 1979-06-18 1982-01-05 Bell Telephone Laboratories, Incorporated Average current controlled switching regulator utilizing digital control techniques
US4326245A (en) 1981-02-23 1982-04-20 Siemens Corporation Current foldback circuit for a DC power supply
US4462069A (en) 1981-08-14 1984-07-24 American Standard Inc. d.c. To d.c. voltage regulator having an input protection circuit, a d.c. to d.c. inverter, a saturable reactor regulator, and main and auxiliary rectifying and filtering circuits
US4395675A (en) 1981-10-22 1983-07-26 Bell Telephone Laboratories, Incorporated Transformerless noninverting buck boost switching regulator
US4428015A (en) 1981-12-22 1984-01-24 Hughes Aircraft Company Overcurrent limiter circuit for switching regulator power supplies
US4458199A (en) 1982-02-04 1984-07-03 Varo, Inc. Link regulator with feed forward switching control
IT1151378B (it) * 1982-03-30 1986-12-17 Fiar Spa Dispositivo elettronico di controllo della tensione
US4479174A (en) 1982-11-03 1984-10-23 Reliance Electric Company Efficiency increasing circuit for switching power supplies operating at low power levels
US4566769A (en) 1982-12-29 1986-01-28 Olympus Optical Co., Ltd. Power supply unit for electronic flash
US4493017A (en) 1983-01-24 1985-01-08 Reliance Electric Company Single drive transformer with regenerative winding for p.w.m. supply having alternately conducting power devices
US4554499A (en) 1983-05-03 1985-11-19 Genentech, Inc. Computer controlled motor
JPS6032565A (ja) 1983-07-30 1985-02-19 Matsushita Electric Works Ltd 電源回路
US4541041A (en) 1983-08-22 1985-09-10 General Electric Company Full load to no-load control for a voltage fed resonant inverter
US4519024A (en) 1983-09-02 1985-05-21 At&T Bell Laboratories Two-terminal transistor rectifier circuit arrangement
US4634892A (en) 1984-01-16 1987-01-06 National Semiconductor Corporation Pulse width modulator circuit for switching regulators
JPS60156269A (ja) 1984-01-25 1985-08-16 Fujitsu Ltd 直流−直流コンバ−タ
US4578630A (en) 1984-11-23 1986-03-25 At&T Bell Laboratories Buck boost switching regulator with duty cycle limiting
US4716514A (en) 1984-12-13 1987-12-29 Unitrode Corporation Synchronous power rectifier
US4634956A (en) 1985-01-10 1987-01-06 Motorola, Inc. DC to DC converter
US5045712A (en) * 1985-03-28 1991-09-03 Raytheon Company Synchronized switched mode power supplies
US4706177A (en) 1985-11-14 1987-11-10 Elliot Josephson DC-AC inverter with overload driving capability
DE3541308C1 (en) 1985-11-22 1987-02-05 Philips Patentverwaltung DC power supply generator e.g. for gas discharge lamp - obtains regulated DC from mains supply giving sinusoidal input to filter and rectifier
DE3541307C1 (en) 1985-11-22 1987-02-05 Philips Patentverwaltung DC power supply generator e.g. for gas discharge lamp - obtains regulated DC voltage from mains supply giving sinusoidal input to filter and rectifier
US4674020A (en) 1985-12-13 1987-06-16 Siliconix Incorporated Power supply having dual ramp control circuit
US4672518A (en) 1986-07-30 1987-06-09 American Telephone And Telegraph Co., At&T Bell Labs Current mode control arrangement with load dependent ramp signal added to sensed current waveform
US4672303A (en) 1986-08-28 1987-06-09 International Business Machines Corporation Inductor current control circuit
US4727308A (en) 1986-08-28 1988-02-23 International Business Machines Corporation FET power converter with reduced switching loss
US4683529A (en) 1986-11-12 1987-07-28 Zytec Corporation Switching power supply with automatic power factor correction
US4823070A (en) 1986-11-18 1989-04-18 Linear Technology Corporation Switching voltage regulator circuit
US4709315A (en) 1986-11-24 1987-11-24 Rockwell International Corporation Isolated controller circuit
US4801859A (en) 1986-12-23 1989-01-31 Sundstrand Corporation Boost/buck DC/DC converter
US4754385A (en) 1987-01-30 1988-06-28 Varo, Inc. Two transistor flyback switching converter with current sensing for discontinuous operation
US4928200A (en) 1987-04-02 1990-05-22 Cherry Semiconductor Corporation Overcurrent protection for switching mode power converter
US4819122A (en) 1987-04-02 1989-04-04 Cherry Semiconductor Corporation Over-current timer modulator
DE3717815A1 (de) 1987-05-27 1988-12-15 Bayer Ag Fungizide mittel auf basis von substituierten cyanamiden
JPS63307510A (ja) 1987-06-09 1988-12-15 Seiko Instr & Electronics Ltd シリ−ズボルテ−ジレギュレ−タ逆流防止回路
US4929882A (en) 1987-06-23 1990-05-29 National Semiconductor Corporation Apparatus for converting DC to DC having non-feed back variable hysteretic current-mode control for maintaining approximately constant frequency
US4813066A (en) 1987-07-13 1989-03-14 American Telephone And Telegraph Company, At&T Information Systems Battery feed circuit for a telephone system
US4814684A (en) 1987-09-30 1989-03-21 Trw Inc. Apparatus for extending the Vout/Vin ratio of a DC-to-DC converter
US4837495A (en) 1987-10-13 1989-06-06 Astec U.S.A. (Hk) Limited Current mode converter with controlled slope compensation
US4843532A (en) 1988-07-01 1989-06-27 General Electric Company Regulating pulse width modulator for power supply with high speed shutoff
US4870555A (en) 1988-10-14 1989-09-26 Compaq Computer Corporation High-efficiency DC-to-DC power supply with synchronous rectification
US4866587A (en) 1988-12-22 1989-09-12 American Telephone And Telegraph Company At&T Bell Laboratories Electronic ringing signal generator
US4922404A (en) 1989-03-15 1990-05-01 General Electric Company Method and apparatus for gating of synchronous rectifier
JP2686135B2 (ja) 1989-03-28 1997-12-08 松下電工株式会社 定電流電源回路
US4884183A (en) 1989-03-29 1989-11-28 General Electric Company Dual-mode controlled pulse width modulator
US4902957A (en) 1989-04-27 1990-02-20 International Business Machines Corporation DC/DC converter
DE3914799A1 (de) 1989-05-05 1990-11-08 Standard Elektrik Lorenz Ag Durchflusswandler
US4931716A (en) 1989-05-05 1990-06-05 Milan Jovanovic Constant frequency zero-voltage-switching multi-resonant converter
US5028861A (en) 1989-05-24 1991-07-02 Motorola, Inc. Strobed DC-DC converter with current regulation
US5184129A (en) 1989-09-13 1993-02-02 Advanced Micro Devices, Inc. Switchable DAC with current surge protection
JPH03113986A (ja) 1989-09-27 1991-05-15 Toshiba Corp カメラエンコーダシステム
US5066900A (en) 1989-11-14 1991-11-19 Computer Products, Inc. Dc/dc converter switching at zero voltage
US4996638A (en) 1990-02-15 1991-02-26 Northern Telecom Limited Method of feedback regulating a flyback power converter
JPH0442771A (ja) 1990-06-06 1992-02-13 Fujitsu Ltd 高効率型ｄｃ／ｄｃコンバータ
JP2682202B2 (ja) 1990-06-08 1997-11-26 日本電気株式会社 電界効果トランジスタを用いた整流回路
FR2663169A1 (fr) 1990-06-08 1991-12-13 Alcatel Espace Dispositif de regulation d'un parametre par une structure bidirectionnelle en courant.
JP2681409B2 (ja) 1990-06-19 1997-11-26 ファナック株式会社 Ｄｃ―ｄｃコンバータ
JPH0488870A (ja) 1990-07-30 1992-03-23 Nec Corp スイッチングレギュレータ回路
JPH04101286A (ja) 1990-08-21 1992-04-02 Toshiba Corp ナンバプレート情報読取装置
US5130561A (en) * 1990-08-29 1992-07-14 Alcatel Network Systems, Inc. Switching mode power supplies with controlled synchronization
JPH0780346B2 (ja) 1990-09-19 1995-08-30 凸版印刷株式会社 サインパネル及びサインパネルの製造方法
JPH04175908A (ja) 1990-11-09 1992-06-23 Mitsubishi Electric Corp スイッチング・レギュレータ
US5081411A (en) 1990-12-20 1992-01-14 Honeywell Inc. AC/DC two-wire control techniques
US5134355A (en) 1990-12-31 1992-07-28 Texas Instruments Incorporated Power factor correction control for switch-mode power converters
US5068575A (en) 1991-02-21 1991-11-26 Eastman Kodak Company Indirect storage capacitor voltage sensing means for a flyback type DC-to-DC converter
JP3113986B2 (ja) 1991-03-07 2000-12-04 三菱樹脂株式会社 防食管継手の製造方法
US5237606A (en) 1991-05-01 1993-08-17 Charles Industries, Ltd. Enhanced synchronous rectifier
US5097196A (en) 1991-05-24 1992-03-17 Rockwell International Corporation Zero-voltage-switched multiresonant DC to DC converter
US5309078A (en) 1991-07-11 1994-05-03 Sgs-Thomson Microelectronics, Inc. Synchronous rectification method for reducing power dissipation in motor drivers in PWM mode
US5177676A (en) 1991-09-27 1993-01-05 Exide Electronics Corporation Voltage source with enhanced source impedance control
US5179511A (en) 1991-10-16 1993-01-12 Illinois Institute Of Technology Self-regulating class E resonant power converter maintaining operation in a minimal loss region
US5315497A (en) * 1991-11-07 1994-05-24 Premier Power, Inc. Symmetrical universal AC-AC power conditioner
US5408162A (en) 1992-03-26 1995-04-18 Linear Technology Corporation Fluorescent lamp power supply and control unit
US5548189A (en) 1992-03-26 1996-08-20 Linear Technology Corp. Fluorescent-lamp excitation circuit using a piezoelectric acoustic transformer and methods for using same
US5982645A (en) * 1992-08-25 1999-11-09 Square D Company Power conversion and distribution system
US5396412A (en) 1992-08-27 1995-03-07 Alliedsignal Inc. Synchronous rectification and adjustment of regulator output voltage
US5335162A (en) 1993-01-15 1994-08-02 Toko America, Inc. Primary side controller for regulated power converters
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
US5602465A (en) 1994-08-30 1997-02-11 International Rectifier Corporation Method and circuit to improve output voltage regulation and noise rejection of a power factor control stage
US5568044A (en) 1994-09-27 1996-10-22 Micrel, Inc. Voltage regulator that operates in either PWM or PFM mode
US5627460A (en) 1994-12-28 1997-05-06 Unitrode Corporation DC/DC converter having a bootstrapped high side driver
US5929620A (en) 1996-11-07 1999-07-27 Linear Technology Corporation Switching regulators having a synchronizable oscillator frequency with constant ramp amplitude
US5875104A (en) * 1997-06-26 1999-02-23 Vlt Corporation Operating switching power converters in a phased power sharing array
US6476589B2 (en) * 2001-04-06 2002-11-05 Linear Technology Corporation Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop

Similar Documents

Publication Publication Date Title
JP2002325432A5 (enExample)
JP4056780B2 (ja) 不定周波数の切換調整器を位相ロックループと同期させるための回路および方法
KR101331721B1 (ko) 스위칭 전압 조절기 및 제어 신호 생성 방법
US9729045B2 (en) Switched power converter with improved synchronization of a pulse width modulation switching frequency
TWI835957B (zh) 電力轉換器、頻率控制器及用於控制恆定接通時間的方法
JP4725641B2 (ja) 昇降圧型スイッチングレギュレータ
US8786269B2 (en) Constant frequency synthetic ripple power converter
CN106533135B (zh) 恒定导通时间控制电路及其控制的直流-直流变换器
CN104283423B (zh) 在已调节系统输出电压下提供输出电流的电源系统和方法
US9093901B2 (en) Switching converter and method for controlling a switching converter
US8253507B2 (en) Fixed-frequency control circuit and method for pulse width modulation
TWI462442B (zh) 電源轉換電路的控制電路及相關的控制方法
Wen et al. Analysis and comparison of frequency stabilization loops in self-oscillating current mode DC–DC converters
US20040227549A1 (en) High bandwidth feed-forward oscillator
CN114629440B (zh) 可编程振荡器电路及电源管理芯片
WO2004034557A3 (en) Pwm controller with integrated pll
US10186975B2 (en) Resonant converter with adaptive on-time control and the method thereof
CN111884507B (zh) 一种用于功率变换器的控制电路及其控制方法
WO2011103353A1 (en) Extendable n-channel digital pulse-width/pulse-frequency modulator
TWI511426B (zh) 調變方法及其調變模組與電壓轉換裝置
TWI698079B (zh) 用於提供智慧恆定導通時間控制之系統及方法
KR102113406B1 (ko) 비-일정 주파수 스위칭 레귤레이터 동기화를 위한 위상 록 루프 캘리브레이트
JP2009081557A (ja) 位相ロックループ回路
HK40061806A (en) Systems and methods for providing intelligent constant on-time control
JP2009089407A (ja) クロック発生回路