JP2019103154A - 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
- Publication number
- JP2019103154A JP2019103154A JP2017228061A JP2017228061A JP2019103154A JP 2019103154 A JP2019103154 A JP 2019103154A JP 2017228061 A JP2017228061 A JP 2017228061A JP 2017228061 A JP2017228061 A JP 2017228061A JP 2019103154 A JP2019103154 A JP 2019103154A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- output
- error
- switching regulator
- 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
- H02M1/08—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
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- 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
- H02M3/1588—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 comprising at least one synchronous rectifier element
-
- 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
- H02M1/0035—Control circuits allowing low power mode operation, e.g. in standby mode using burst mode control
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
101、801 電源端子
102、802 接地端子
110、112、810、812 基準電圧源
111、811 誤差増幅回路
113、813 PFM比較回路
114、814 発振回路
120、820 電流電圧変換回路
121、821 スロープ電圧生成回路
122、822 PWM比較回路
123、823 制御回路
124、824 逆流検出回路
130、830 PMOSトランジスタ
131、831 NMOSトランジスタ
140、840 インダクタ
141、161、172、173、841、861 容量
142、842 出力端子
143、144、162、171、843、844、862 抵抗
150、850 PWM変換回路
160、860 位相補償回路
170 周波数特性分離回路
Claims (5)
- 第1の電源端子に供給される電源電圧から出力端子に所定の出力電圧を生成するスイッチングレギュレータであって、
一端が前記出力端子に接続されたインダクタと、
前記第1の電源端子と前記インダクタの他端との間に接続されたスイッチング素子と、
前記出力電圧に基づく電圧と第1の基準電圧との差を増幅し、第1の誤差電圧を出力する誤差増幅回路と、
前記第1の誤差電圧と第2の基準電圧とを比較し、第1または第2のレベルの比較結果信号を出力するPFM比較回路と、
前記比較結果信号が前記第1のレベルのとき所定周波数のクロック信号を出力し、前記比較結果信号が前記第2のレベルのとき前記クロック信号の出力を停止する発振回路と、
入力ノードに前記第1の誤差電圧が入力され、出力ノードに第2の誤差電圧を出力する周波数特性分離回路と、
前記周波数特性分離回路の出力ノードに接続された位相補償回路と、
前記第2の誤差電圧と前記発振回路の出力とに基づいて、前記スイッチング素子を所望のパルス幅でオン・オフするPWM変換回路とを備えることを特徴とするスイッチングレギュレータ。 - 前記周波数特性分離回路は、一端が前記入力ノードに接続され、他端が前記出力ノードに接続された抵抗を有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。
- 前記周波数特性分離回路は、前記抵抗の一端と第2の電源端子との間に接続された容量をさらに有することを特徴とする請求項2に記載のスイッチングレギュレータ。
- 前記周波数特性分離回路は、前記抵抗の他端と第2の電源端子との間に接続された容量をさらに有することを特徴とする請求項2に記載のスイッチングレギュレータ。
- 前記周波数特性分離回路は、前記抵抗の一端と第2の電源端子との間に接続された第1の容量と、前記抵抗の他端と前記第2の電源端子との間に接続された第2の容量とをさらに有することを特徴とする請求項2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 |
---|---|---|---|
JP2017228061A JP6940384B2 (ja) | 2017-11-28 | 2017-11-28 | スイッチングレギュレータ |
TW107138703A TW201931749A (zh) | 2017-11-28 | 2018-11-01 | 切換調節器 |
US16/198,033 US10673330B2 (en) | 2017-11-28 | 2018-11-21 | Switching regulator with a frequency characteristics separation circuit and a phase compensation circuit |
KR1020180147455A KR20190062248A (ko) | 2017-11-28 | 2018-11-26 | 스위칭 레귤레이터 |
CN201811414656.2A CN109842296A (zh) | 2017-11-28 | 2018-11-26 | 开关调节器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017228061A JP6940384B2 (ja) | 2017-11-28 | 2017-11-28 | スイッチングレギュレータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019103154A true JP2019103154A (ja) | 2019-06-24 |
JP6940384B2 JP6940384B2 (ja) | 2021-09-29 |
Family
ID=66632830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017228061A Active JP6940384B2 (ja) | 2017-11-28 | 2017-11-28 | スイッチングレギュレータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US10673330B2 (ja) |
JP (1) | JP6940384B2 (ja) |
KR (1) | KR20190062248A (ja) |
CN (1) | CN109842296A (ja) |
TW (1) | TW201931749A (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002278631A (ja) * | 2000-12-08 | 2002-09-27 | Micrel Inc | リニア集積回路に周波数安定度改善のためにラプラス変換零を加える方法および回路 |
JP2008289252A (ja) * | 2007-05-16 | 2008-11-27 | Toshiba Corp | 電源回路 |
JP2010063276A (ja) * | 2008-09-04 | 2010-03-18 | Ricoh Co Ltd | 電流モード制御型スイッチングレギュレータ |
US20160036322A1 (en) * | 2014-07-31 | 2016-02-04 | Cypress Semiconductor Corporation | Control apparatus, switching power supply and control method |
JP2016116261A (ja) * | 2014-12-11 | 2016-06-23 | 株式会社デンソー | スイッチング電源回路 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4836624B2 (ja) | 2006-03-23 | 2011-12-14 | 株式会社リコー | スイッチングレギュレータ |
JP5493296B2 (ja) * | 2008-06-10 | 2014-05-14 | 株式会社リコー | スイッチングレギュレータ |
JP5091027B2 (ja) * | 2008-06-25 | 2012-12-05 | 株式会社リコー | スイッチングレギュレータ |
JP5211959B2 (ja) | 2008-09-12 | 2013-06-12 | 株式会社リコー | Dc−dcコンバータ |
CA2759767C (en) * | 2010-12-05 | 2018-03-27 | Microsemi Corporation | Hysteretic voltage converter with offset voltage correction |
JP5768475B2 (ja) * | 2011-04-28 | 2015-08-26 | ミツミ電機株式会社 | スイッチング電源装置 |
-
2017
- 2017-11-28 JP JP2017228061A patent/JP6940384B2/ja active Active
-
2018
- 2018-11-01 TW TW107138703A patent/TW201931749A/zh unknown
- 2018-11-21 US US16/198,033 patent/US10673330B2/en active Active
- 2018-11-26 KR KR1020180147455A patent/KR20190062248A/ko unknown
- 2018-11-26 CN CN201811414656.2A patent/CN109842296A/zh not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002278631A (ja) * | 2000-12-08 | 2002-09-27 | Micrel Inc | リニア集積回路に周波数安定度改善のためにラプラス変換零を加える方法および回路 |
JP2008289252A (ja) * | 2007-05-16 | 2008-11-27 | Toshiba Corp | 電源回路 |
JP2010063276A (ja) * | 2008-09-04 | 2010-03-18 | Ricoh Co Ltd | 電流モード制御型スイッチングレギュレータ |
US20160036322A1 (en) * | 2014-07-31 | 2016-02-04 | Cypress Semiconductor Corporation | Control apparatus, switching power supply and control method |
JP2016116261A (ja) * | 2014-12-11 | 2016-06-23 | 株式会社デンソー | スイッチング電源回路 |
Also Published As
Publication number | Publication date |
---|---|
JP6940384B2 (ja) | 2021-09-29 |
US20190165667A1 (en) | 2019-05-30 |
TW201931749A (zh) | 2019-08-01 |
KR20190062248A (ko) | 2019-06-05 |
CN109842296A (zh) | 2019-06-04 |
US10673330B2 (en) | 2020-06-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4725641B2 (ja) | 昇降圧型スイッチングレギュレータ | |
US9529373B2 (en) | Switching regulator and control circuit and control method therefor | |
US9154031B2 (en) | Current mode DC-DC conversion device with fast transient response | |
JP2008131746A (ja) | 昇降圧型スイッチングレギュレータ | |
TWI513152B (zh) | 時間信號產生器及時間信號產生方法 | |
JP2009278719A (ja) | 電流モード制御型スイッチングレギュレータ及びその動作制御方法 | |
JP7101590B2 (ja) | スイッチングレギュレータ | |
US9647540B2 (en) | Timing generator and timing signal generation method for power converter | |
TWI473400B (zh) | 直流轉直流控制器及其控制方法 | |
KR102560435B1 (ko) | 스위칭 레귤레이터 | |
JP6975538B2 (ja) | ソフトスタート回路 | |
JP5083117B2 (ja) | Dc−dcコンバータ及びdc−dcコンバータの制御回路 | |
KR102506229B1 (ko) | 스위칭 레귤레이터 | |
JP5630895B2 (ja) | スイッチング電源回路 | |
US20170019019A1 (en) | Power supply operating in ripple mode and control method thereof | |
JP2013051776A (ja) | Dc−dcコンバータ回路 | |
JP2010063231A (ja) | スイッチングレギュレータ | |
JP6654548B2 (ja) | スイッチング電源装置 | |
JP6940384B2 (ja) | スイッチングレギュレータ | |
JP6936091B2 (ja) | Dc/dcコンバータ | |
JP2010004584A (ja) | スイッチング電源回路 | |
JP2011142761A (ja) | Dc−dcコンバータ | |
US9614436B2 (en) | Circuit and method for dynamic switching frequency adjustment in a power converter | |
JP2013074746A (ja) | スイッチング電源装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20201013 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210817 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210824 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210902 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6940384 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |