JP2017153323A - スイッチングレギュレータ - Google Patents
スイッチングレギュレータ Download PDFInfo
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- JP2017153323A JP2017153323A JP2016035932A JP2016035932A JP2017153323A JP 2017153323 A JP2017153323 A JP 2017153323A JP 2016035932 A JP2016035932 A JP 2016035932A JP 2016035932 A JP2016035932 A JP 2016035932A JP 2017153323 A JP2017153323 A JP 2017153323A
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- 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
- H02M3/157—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 with digital control
-
- 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
- H02M3/158—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 including plural semiconductor devices as final control devices for a single load
-
- 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
-
- 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- 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
-
- 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
-
- 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
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
出力制御回路15は、R−Sフリップフロップ13の出力端子Qの出力信号に応じてパワーFET2及び4のドライブ信号を発生する。
重負荷モードでは、パワーFET2及び4がスイッチングレギュレータ300の中で主に電力を消費する部分になる。従って、スイッチングレギュレータ300は、パワーFET2及び4のオン対抗を小さくすることで、低消費電力および高効率を実現する事が出来る。
フィードバック電圧を出力するフィードバック抵抗と、
基準電圧を発生する基準電圧回路と、
第一の入力端子に前記フィードバック抵抗の出力端子が接続され、第二の入力端子に前記基準電圧回路の出力端子が接続され、前記フィードバック電圧と前記基準電圧を比較する比較器と、
前記比較器の出力する信号に応じて、電圧入力端子と出力端子の間に接続されたパワーFETを制御して、所望の電圧を出力するスイッチングレギュレータであって、
軽負荷モードを検出する軽負荷モード検出回路と、
前記フィードバック抵抗の出力端子と前記第一の入力端子の間に設けられた第一のスイッチと、
前記第一の入力端子と前記第二の入力端子の間に設けられた第二のスイッチと、を備え、
前記軽負荷モード検出回路の検出信号によって、前記比較器が動作電流を切り替える時に、前記第一のスイッチがオフして、前記第二のスイッチがオンする、
ことを特徴とするスイッチングレギュレータ。
本実施形態のスイッチングレギュレータ100は、フィードバック抵抗7と、スイッチ8及び9と、比較器10と、コンデンサ11と、基準電圧回路12と、R−Sフリップフロップ13と、オン時間制御回路14と、出力制御回路15と、ドライバー回路16及び17と、ハイサイドスイッチング素子であるパワーFET2と、ローサイドスイッチング素子であるパワーFET4と、インダクタ3と、コンデンサ5と、を備えている。
スイッチ8は、フィードバック抵抗7の出力端子と比較器10の反転入力端子の間に接続されている。スイッチ9は、比較器10の反転入力端子と非反転入力端子の間に接続されている。
また、スイッチングレギュレータ100が軽負荷モードから重負荷モードになるときも、同様に、スイッチ8及び9の接続を切替えてから比較器10の動作電流を切替える。
12、23 基準電圧回路
13 R−Sフリップフロップ
14 オン時間制御回路
15 出力制御回路
21 三角波発生回路
22 誤差増幅器
Claims (3)
- フィードバック電圧を出力するフィードバック抵抗と、
基準電圧を発生する基準電圧回路と、
第一の入力端子に前記フィードバック抵抗の出力端子が接続され、第二の入力端子に前記基準電圧回路の出力端子が接続され、前記フィードバック電圧と前記基準電圧を比較する比較器と、
前記比較器の出力する信号に応じて、電圧入力端子と出力端子の間に接続されたパワーFETを制御して、所望の電圧を出力するスイッチングレギュレータであって、
軽負荷モードを検出する軽負荷モード検出回路と、
前記フィードバック抵抗の出力端子と前記第一の入力端子の間に設けられた第一のスイッチと、
前記第一の入力端子と前記第二の入力端子の間に設けられた第二のスイッチと、を備え、
前記軽負荷モード検出回路の検出信号によって、前記比較器が動作電流を切り替える時に、前記第一のスイッチがオフして、前記第二のスイッチがオンする、
ことを特徴とするスイッチングレギュレータ。 - 前記軽負荷モード検出回路は、前記スイッチングレギュレータの出力端子に接続されたコイルの電圧によって前記軽負荷モードを検出する
ことを特徴とする請求項1に記載のスイッチングレギュレータ。 - 前記軽負荷モード検出回路は、前記比較器の出力端子の信号によって前記軽負荷モードを検出する
ことを特徴とする請求項1に記載のスイッチングレギュレータ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016035932A JP6594797B2 (ja) | 2016-02-26 | 2016-02-26 | スイッチングレギュレータ |
TW106104818A TWI713292B (zh) | 2016-02-26 | 2017-02-15 | 開關調節器 |
KR1020170024310A KR102575945B1 (ko) | 2016-02-26 | 2017-02-23 | 스위칭 레귤레이터 |
CN201710102114.0A CN107134923B (zh) | 2016-02-26 | 2017-02-24 | 开关调节器 |
US15/441,834 US9800157B2 (en) | 2016-02-26 | 2017-02-24 | Switching regulator |
Applications Claiming Priority (1)
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JP2016035932A JP6594797B2 (ja) | 2016-02-26 | 2016-02-26 | スイッチングレギュレータ |
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JP2017153323A true JP2017153323A (ja) | 2017-08-31 |
JP2017153323A5 JP2017153323A5 (ja) | 2019-01-24 |
JP6594797B2 JP6594797B2 (ja) | 2019-10-23 |
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JP2016035932A Active JP6594797B2 (ja) | 2016-02-26 | 2016-02-26 | スイッチングレギュレータ |
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US (1) | US9800157B2 (ja) |
JP (1) | JP6594797B2 (ja) |
KR (1) | KR102575945B1 (ja) |
CN (1) | CN107134923B (ja) |
TW (1) | TWI713292B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111448465A (zh) * | 2017-12-13 | 2020-07-24 | 三菱电机株式会社 | 噪声检测电路 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI814219B (zh) | 2016-05-16 | 2023-09-01 | 美商因塔希亞治療公司 | 升糖素受體選擇性多肽和彼之使用方法 |
US10320292B2 (en) * | 2016-12-27 | 2019-06-11 | Rohm Co., Ltd. | Phase compensation circuit and DC/DC converter using the same |
US10790746B2 (en) * | 2017-08-04 | 2020-09-29 | Dialog Semiconductor (Uk) Limited | Power dissipation regulated buck architecture |
US10673385B2 (en) * | 2017-11-08 | 2020-06-02 | Mediatek Inc. | Supply modulator, modulated power supply circuit, and associated control method |
TWI678063B (zh) * | 2018-12-03 | 2019-11-21 | 晶豪科技股份有限公司 | 恆定開啟期間控制器與使用其的降壓轉換器 |
CN111431392B (zh) * | 2019-01-10 | 2021-08-03 | 晶豪科技股份有限公司 | 恒定开启期间控制器与使用其的降压转换器 |
CN111865082B (zh) * | 2020-08-06 | 2021-12-07 | 成都芯源***有限公司 | 低静态电流开关变换器及其控制电路 |
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2016
- 2016-02-26 JP JP2016035932A patent/JP6594797B2/ja active Active
-
2017
- 2017-02-15 TW TW106104818A patent/TWI713292B/zh active
- 2017-02-23 KR KR1020170024310A patent/KR102575945B1/ko active IP Right Grant
- 2017-02-24 US US15/441,834 patent/US9800157B2/en active Active
- 2017-02-24 CN CN201710102114.0A patent/CN107134923B/zh active Active
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JP2001095234A (ja) * | 1999-09-20 | 2001-04-06 | Toshiba Corp | 半導体集積回路 |
JP2010136497A (ja) * | 2008-12-03 | 2010-06-17 | Ricoh Co Ltd | ヒステリシススイッチングレギュレータ及びその動作制御方法 |
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CN111448465A (zh) * | 2017-12-13 | 2020-07-24 | 三菱电机株式会社 | 噪声检测电路 |
Also Published As
Publication number | Publication date |
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US9800157B2 (en) | 2017-10-24 |
JP6594797B2 (ja) | 2019-10-23 |
CN107134923B (zh) | 2020-07-14 |
CN107134923A (zh) | 2017-09-05 |
TW201810904A (zh) | 2018-03-16 |
KR20170101140A (ko) | 2017-09-05 |
KR102575945B1 (ko) | 2023-09-07 |
US20170250606A1 (en) | 2017-08-31 |
TWI713292B (zh) | 2020-12-11 |
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