KR102145165B1 - 스위칭 레귤레이터 및 전자 기기 - Google Patents
스위칭 레귤레이터 및 전자 기기 Download PDFInfo
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- KR102145165B1 KR102145165B1 KR1020140184545A KR20140184545A KR102145165B1 KR 102145165 B1 KR102145165 B1 KR 102145165B1 KR 1020140184545 A KR1020140184545 A KR 1020140184545A KR 20140184545 A KR20140184545 A KR 20140184545A KR 102145165 B1 KR102145165 B1 KR 102145165B1
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- error amplifier
- switching regulator
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- 238000001514 detection method Methods 0.000 claims abstract description 25
- 239000003990 capacitor Substances 0.000 claims abstract description 17
- 230000001133 acceleration Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
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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
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is DC
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
-
- 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
- H02M3/1552—Boost converters exploiting the leakage inductance of a transformer or of an alternator as boost inductor
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Dc-Dc Converters (AREA)
Abstract
[해결 수단] PWM 콤퍼레이터의 100 % DUTY 상태를 검출하는 100 % DUTY 검출 회로와, 오차 증폭기의 출력이 위상 보상 용량의 전압을 방전하는 것을 검출하여, 그 방전을 가속하는 방전 가속 회로를 구비하고, 100 % DUTY 검출 회로가 100 % DUTY 상태를 검출했을 때에 방전 가속 회로를 유효하게 하는 구성으로 하였다.
Description
도 2 는 100 % DUTY 검출 회로의 일례를 나타내는 회로도이다.
도 3 은 본 발명의 스위칭 레귤레이터의 동작을 나타내는 도면이다.
도 4 는 본 실시형태의 스위칭 레귤레이터의 다른 예를 나타내는 회로도이다.
도 5 는 종래의 스위칭 레귤레이터의 회로도이다.
111 : 기준 전압 회로
112 : 분압 회로
113 : PWM 콤퍼레이터
114 : 램프파 발생 회로
115 : 출력 버퍼
118 : 100 % DUTY 검출 회로
120, 120a : 방전 가속 회로
122, 302 : 정전류 회로
Claims (4)
- 출력 트랜지스터가 출력하는 전압을 분압한 분압 전압과 기준 전압의 차이를 증폭시켜 출력하는 오차 증폭기와,
램프파를 발생시키는 램프파 발생 회로와,
상기 오차 증폭기의 출력 전압과 상기 램프파를 비교하고, 신호 (PWM) 를 출력하는 PWM 콤퍼레이터와,
상기 신호 (PWM) 가 100 % DUTY 가 된 것을 검출하는 100 % DUTY 검출 회로와,
상기 오차 증폭기의 출력 단자에 형성된 위상 보상 용량 및 위상 보상 저항과,
상기 신호 (PWM) 가 100 % DUTY 일 때에, 상기 오차 증폭기의 출력이 상기 위상 보상 용량의 전압을 방전하는 것을 검출하여, 그 방전을 가속하는 방전 가속 회로를 구비한 것을 특징으로 하는 스위칭 레귤레이터. - 제 1 항에 있어서,
상기 방전 가속 회로는,
상기 위상 보상 저항의 양단의 전압을 비교하는 제 2 오차 증폭기와,
상기 위상 보상 용량에 접속되고, 상기 100 % DUTY 검출 회로의 검출 신호로 제어되는 스위치와,
상기 스위치에 접속되고, 상기 제 2 오차 증폭기의 출력 전압으로 제어되는 정전류 회로를 구비한 것을 특징으로 하는 스위칭 레귤레이터. - 제 1 항에 있어서,
상기 방전 가속 회로는,
상기 오차 증폭기의 출력 단자와 상기 PWM 콤퍼레이터의 입력 단자 사이에 형성된 전류 검출용 저항과,
상기 전류 검출용 저항의 양단의 전압을 비교하는 제 2 오차 증폭기와,
상기 위상 보상 용량에 접속되고, 상기 100 % DUTY 검출 회로의 검출 신호로 제어되는 스위치와,
상기 스위치에 접속되고, 상기 제 2 오차 증폭기의 출력 전압으로 제어되는 정전류 회로를 구비한 것을 특징으로 하는 스위칭 레귤레이터. - 제 1 항 내지 제 3 항 중 어느 한 항에 기재된 스위칭 레귤레이터를 구비한, 전자 기기.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013265515A JP6211916B2 (ja) | 2013-12-24 | 2013-12-24 | スイッチングレギュレータ |
JPJP-P-2013-265515 | 2013-12-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20150075034A KR20150075034A (ko) | 2015-07-02 |
KR102145165B1 true KR102145165B1 (ko) | 2020-08-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020140184545A Expired - Fee Related KR102145165B1 (ko) | 2013-12-24 | 2014-12-19 | 스위칭 레귤레이터 및 전자 기기 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9293990B2 (ko) |
JP (1) | JP6211916B2 (ko) |
KR (1) | KR102145165B1 (ko) |
CN (1) | CN104731146B (ko) |
TW (1) | TWI643436B (ko) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6393169B2 (ja) * | 2014-11-27 | 2018-09-19 | エイブリック株式会社 | Dc−dcコンバータ |
US9973091B2 (en) * | 2015-01-14 | 2018-05-15 | Semiconductor Components Industries, Llc | Precise and dynamic control of synchronous rectification switch voltage in a switched mode power supply |
US10312805B2 (en) * | 2015-04-02 | 2019-06-04 | Virginia Tech Intellectual Properties, Inc. | Current mode control DC-DC converter with single step load transient response |
CN105207481B (zh) * | 2015-09-23 | 2018-05-25 | 深圳市华星光电技术有限公司 | 一种环路补偿电路及开关电源电路 |
JP6592374B2 (ja) * | 2016-02-23 | 2019-10-16 | エイブリック株式会社 | スイッチングレギュレータ |
JP6619274B2 (ja) * | 2016-03-23 | 2019-12-11 | エイブリック株式会社 | ボルテージレギュレータ |
US10128757B2 (en) * | 2017-03-03 | 2018-11-13 | Dialog Semiconductor (Uk) Limited | Buck-boost converter with small disturbance at mode transitions |
JP6892357B2 (ja) * | 2017-08-31 | 2021-06-23 | エイブリック株式会社 | スイッチングレギュレータ |
JP6932056B2 (ja) * | 2017-10-06 | 2021-09-08 | エイブリック株式会社 | スイッチングレギュレータ |
CN108258895B (zh) * | 2018-02-05 | 2020-11-17 | 上海艾为电子技术股份有限公司 | 软启动电路以及电源系统 |
CN108258896B (zh) * | 2018-02-05 | 2020-04-21 | 上海艾为电子技术股份有限公司 | 软启动电路以及电源系统 |
US10965212B2 (en) * | 2018-04-17 | 2021-03-30 | STMicroelectronics (Alps) SAS | Switched-mode power supply with bypass mode |
CN110707926B (zh) * | 2018-07-09 | 2022-03-08 | 力智电子股份有限公司 | 直流-直流控制器 |
JP7115939B2 (ja) * | 2018-09-04 | 2022-08-09 | エイブリック株式会社 | ボルテージレギュレータ |
US11784568B2 (en) * | 2018-10-02 | 2023-10-10 | Texas Instruments Incorporated | Low quiescent current buck converter with direct feedback |
WO2020071011A1 (ja) * | 2018-10-04 | 2020-04-09 | 富士電機株式会社 | 電源制御装置および電源制御方法 |
JP7101590B2 (ja) * | 2018-10-18 | 2022-07-15 | エイブリック株式会社 | スイッチングレギュレータ |
JP7399551B2 (ja) * | 2019-01-30 | 2023-12-18 | 日本無線株式会社 | 電源回路 |
US11050347B2 (en) * | 2019-07-01 | 2021-06-29 | Nxp Usa, Inc. | Dynamic enhancement of loop response upon recovery from fault conditions |
CN112803742B (zh) | 2021-02-27 | 2022-08-09 | 华为技术有限公司 | Dc/dc转换器及其软启动防过冲方法 |
TWI767793B (zh) * | 2021-07-20 | 2022-06-11 | 新唐科技股份有限公司 | 突波濾除電路以及微控制電路 |
US20240405663A1 (en) * | 2023-05-30 | 2024-12-05 | Texas Instruments Incorporated | Power converter compensation for ground bouncing |
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2013
- 2013-12-24 JP JP2013265515A patent/JP6211916B2/ja not_active Expired - Fee Related
-
2014
- 2014-12-01 TW TW103141596A patent/TWI643436B/zh not_active IP Right Cessation
- 2014-12-17 US US14/573,837 patent/US9293990B2/en not_active Expired - Fee Related
- 2014-12-19 KR KR1020140184545A patent/KR102145165B1/ko not_active Expired - Fee Related
- 2014-12-24 CN CN201410813174.XA patent/CN104731146B/zh not_active Expired - Fee Related
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JP2009153278A (ja) | 2007-12-19 | 2009-07-09 | Sharp Corp | スイッチング電源回路 |
JP2011055692A (ja) | 2009-09-04 | 2011-03-17 | Rohm Co Ltd | スイッチングレギュレータ |
JP2011199942A (ja) | 2010-03-17 | 2011-10-06 | Ricoh Co Ltd | スイッチングレギュレータ |
Also Published As
Publication number | Publication date |
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JP6211916B2 (ja) | 2017-10-11 |
TW201541832A (zh) | 2015-11-01 |
US20150180335A1 (en) | 2015-06-25 |
US9293990B2 (en) | 2016-03-22 |
TWI643436B (zh) | 2018-12-01 |
KR20150075034A (ko) | 2015-07-02 |
CN104731146B (zh) | 2017-07-04 |
JP2015122879A (ja) | 2015-07-02 |
CN104731146A (zh) | 2015-06-24 |
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