JP2009295119A - ボルテージレギュレータ - Google Patents
ボルテージレギュレータ Download PDFInfo
- Publication number
- JP2009295119A JP2009295119A JP2008150926A JP2008150926A JP2009295119A JP 2009295119 A JP2009295119 A JP 2009295119A JP 2008150926 A JP2008150926 A JP 2008150926A JP 2008150926 A JP2008150926 A JP 2008150926A JP 2009295119 A JP2009295119 A JP 2009295119A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- phase compensation
- circuit
- output
- transistor
- 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
- 239000003990 capacitor Substances 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
-
- 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
- G05F1/575—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 characterised by the feedback circuit
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
Abstract
【解決手段】出力トランジスタ13の出力する電圧Voutを分圧した分圧電圧Vfbと基準電圧Vrefの差を増幅して出力し、出力トランジスタのゲートを制御する差動増幅回路16を備えたボルテージレギュレータであって、入出力電圧差が小さくても、出力電圧Voutに基づいた適正な位相補償用電圧が抵抗回路19に発生し、この適正な位相補償用電圧が位相補償用容量20に与えられるので、ボルテージレギュレータは適正な位相補償を行うことができる。
【選択図】図1
Description
12 出力端子 13 出力トランジスタ
14 分圧回路 15 基準電圧発生回路
16 差動増幅回路 17 増幅回路
18 電流供給回路 19 抵抗回路
20 位相補償用容量
Claims (3)
- 出力トランジスタの出力する電圧を分圧した分圧電圧と基準電圧の差を増幅して出力し、前記出力トランジスタのゲートを制御する差動増幅回路を備えたボルテージレギュレータであって、
前記差動増幅回路と前記出力トランジスタの間に設けられた増幅回路と、
前記差動増幅回路の出力端子に設けられ、位相補償用電流を供給する電流供給回路と、
前記位相補償用電流に基づき位相補償用電圧を発生する抵抗回路と、
前記抵抗回路と前記分圧回路の出力端子の間に設けられ、前記位相補償用電圧と前記分圧電圧に基づき位相補償を行う位相補償用容量と、
を備えることを特徴とするボルテージレギュレータ。 - 前記電流供給回路は、
前記差動増幅回路の出力電圧によってゲートを制御される第一トランジスタ、
を備えることを特徴とする請求項1記載のボルテージレギュレータ。 - 前記抵抗回路は、
ゲートとドレインを接続した第二トランジスタ、
を備えることを特徴とする請求項1記載のボルテージレギュレータ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008150926A JP5160317B2 (ja) | 2008-06-09 | 2008-06-09 | ボルテージレギュレータ |
US12/455,558 US8085018B2 (en) | 2008-06-09 | 2009-06-03 | Voltage regulator with phase compensation |
TW098118558A TWI480713B (zh) | 2008-06-09 | 2009-06-04 | Voltage regulator |
KR1020090049926A KR101274280B1 (ko) | 2008-06-09 | 2009-06-05 | 전압 조정기 |
CN2009101505106A CN101604174B (zh) | 2008-06-09 | 2009-06-09 | 稳压器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008150926A JP5160317B2 (ja) | 2008-06-09 | 2008-06-09 | ボルテージレギュレータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009295119A true JP2009295119A (ja) | 2009-12-17 |
JP5160317B2 JP5160317B2 (ja) | 2013-03-13 |
Family
ID=41399707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008150926A Expired - Fee Related JP5160317B2 (ja) | 2008-06-09 | 2008-06-09 | ボルテージレギュレータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8085018B2 (ja) |
JP (1) | JP5160317B2 (ja) |
KR (1) | KR101274280B1 (ja) |
CN (1) | CN101604174B (ja) |
TW (1) | TWI480713B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103677046A (zh) * | 2013-11-28 | 2014-03-26 | 成都岷创科技有限公司 | 高精度基准电压积分采样电路 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5160317B2 (ja) * | 2008-06-09 | 2013-03-13 | セイコーインスツル株式会社 | ボルテージレギュレータ |
JP5280176B2 (ja) * | 2008-12-11 | 2013-09-04 | ルネサスエレクトロニクス株式会社 | ボルテージレギュレータ |
TWI413881B (zh) * | 2010-08-10 | 2013-11-01 | Novatek Microelectronics Corp | 線性穩壓器及其電流感測電路 |
JP5715525B2 (ja) * | 2011-08-05 | 2015-05-07 | セイコーインスツル株式会社 | ボルテージレギュレータ |
JP2014048681A (ja) * | 2012-08-29 | 2014-03-17 | Toshiba Corp | 電源装置 |
US9246441B1 (en) * | 2015-06-12 | 2016-01-26 | Nace Engineering, Inc. | Methods and apparatus for relatively invariant input-output spectral relationship amplifiers |
CN113050747B (zh) * | 2019-12-26 | 2022-05-20 | 比亚迪半导体股份有限公司 | 基准电压电路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005316788A (ja) * | 2004-04-30 | 2005-11-10 | New Japan Radio Co Ltd | 電源回路 |
JP2006134268A (ja) * | 2004-11-09 | 2006-05-25 | Nec Electronics Corp | レギュレータ回路 |
JP2007304716A (ja) * | 2006-05-09 | 2007-11-22 | Ricoh Co Ltd | 定電圧回路 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5686820A (en) * | 1995-06-15 | 1997-11-11 | International Business Machines Corporation | Voltage regulator with a minimal input voltage requirement |
JP3360025B2 (ja) * | 1998-05-22 | 2002-12-24 | エヌイーシーマイクロシステム株式会社 | 定電圧回路 |
JP3738280B2 (ja) * | 2000-01-31 | 2006-01-25 | 富士通株式会社 | 内部電源電圧生成回路 |
JP2001282372A (ja) * | 2000-03-31 | 2001-10-12 | Seiko Instruments Inc | レギュレータ |
JP3993473B2 (ja) * | 2002-06-20 | 2007-10-17 | 株式会社ルネサステクノロジ | 半導体集積回路装置 |
JP2004062374A (ja) * | 2002-07-26 | 2004-02-26 | Seiko Instruments Inc | ボルテージ・レギュレータ |
JP4122909B2 (ja) * | 2002-09-13 | 2008-07-23 | 沖電気工業株式会社 | 半導体装置 |
JP4029812B2 (ja) * | 2003-09-08 | 2008-01-09 | ソニー株式会社 | 定電圧電源回路 |
JP2005115659A (ja) * | 2003-10-08 | 2005-04-28 | Seiko Instruments Inc | ボルテージ・レギュレータ |
JP4421909B2 (ja) * | 2004-01-28 | 2010-02-24 | セイコーインスツル株式会社 | ボルテージレギュレータ |
JP4390620B2 (ja) | 2004-04-30 | 2009-12-24 | Necエレクトロニクス株式会社 | ボルテージレギュレータ回路 |
US7248531B2 (en) * | 2005-08-03 | 2007-07-24 | Mosaid Technologies Incorporated | Voltage down converter for high speed memory |
KR101514459B1 (ko) * | 2007-11-09 | 2015-04-22 | 세이코 인스트루 가부시키가이샤 | 볼티지 레귤레이터 |
JP5160317B2 (ja) * | 2008-06-09 | 2013-03-13 | セイコーインスツル株式会社 | ボルテージレギュレータ |
JP5594980B2 (ja) * | 2009-04-03 | 2014-09-24 | ピーエスフォー ルクスコ エスエイアールエル | 非反転増幅回路及び半導体集積回路と非反転増幅回路の位相補償方法 |
JP5390932B2 (ja) * | 2009-05-14 | 2014-01-15 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | 電源回路 |
-
2008
- 2008-06-09 JP JP2008150926A patent/JP5160317B2/ja not_active Expired - Fee Related
-
2009
- 2009-06-03 US US12/455,558 patent/US8085018B2/en not_active Expired - Fee Related
- 2009-06-04 TW TW098118558A patent/TWI480713B/zh not_active IP Right Cessation
- 2009-06-05 KR KR1020090049926A patent/KR101274280B1/ko active IP Right Grant
- 2009-06-09 CN CN2009101505106A patent/CN101604174B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005316788A (ja) * | 2004-04-30 | 2005-11-10 | New Japan Radio Co Ltd | 電源回路 |
JP2006134268A (ja) * | 2004-11-09 | 2006-05-25 | Nec Electronics Corp | レギュレータ回路 |
JP2007304716A (ja) * | 2006-05-09 | 2007-11-22 | Ricoh Co Ltd | 定電圧回路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103677046A (zh) * | 2013-11-28 | 2014-03-26 | 成都岷创科技有限公司 | 高精度基准电压积分采样电路 |
Also Published As
Publication number | Publication date |
---|---|
KR101274280B1 (ko) | 2013-06-13 |
TW201007415A (en) | 2010-02-16 |
US8085018B2 (en) | 2011-12-27 |
US20090302811A1 (en) | 2009-12-10 |
CN101604174B (zh) | 2013-05-01 |
JP5160317B2 (ja) | 2013-03-13 |
CN101604174A (zh) | 2009-12-16 |
TWI480713B (zh) | 2015-04-11 |
KR20090127811A (ko) | 2009-12-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5160317B2 (ja) | ボルテージレギュレータ | |
JP5516320B2 (ja) | レギュレータ用半導体集積回路 | |
JP6298671B2 (ja) | ボルテージレギュレータ | |
JP6038516B2 (ja) | ボルテージレギュレータ | |
JP5008472B2 (ja) | ボルテージレギュレータ | |
JP5279544B2 (ja) | ボルテージレギュレータ | |
JP2008217677A (ja) | 定電圧回路及びその動作制御方法 | |
JP2008165763A (ja) | ボルテージレギュレータ | |
JP2007325478A (ja) | スイッチング電源回路 | |
US20170205840A1 (en) | Power-supply circuit | |
TW201541217A (zh) | 電壓調節器 | |
JP5793979B2 (ja) | レギュレータ用半導体集積回路 | |
JP5535447B2 (ja) | 電源電圧降圧回路、半導体装置および電源電圧回路 | |
JP2009289048A (ja) | ボルテージレギュレータ | |
JP2007233657A (ja) | 増幅器とそれを用いた降圧レギュレータ及び演算増幅器 | |
JP2010141589A (ja) | 差動増幅回路 | |
JP2009093446A (ja) | 電圧制御回路 | |
JP2014164702A (ja) | ボルテージレギュレータ | |
JP4741886B2 (ja) | レギュレータ回路 | |
JP2019164800A (ja) | ボルテージレギュレータ | |
JP5876807B2 (ja) | 低ドロップアウト電圧レギュレータ回路 | |
JP2008152690A (ja) | 電源装置 | |
JP4584677B2 (ja) | 電力供給回路、半導体装置 | |
KR101316385B1 (ko) | 소프트 스타트 회로를 가지는 전압 레귤레이터 | |
JP5669208B2 (ja) | 定電圧回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD01 | Notification of change of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7421 Effective date: 20091108 |
|
RD01 | Notification of change of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7421 Effective date: 20091113 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110404 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20120627 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120703 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120823 |
|
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: 20121204 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20121212 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5160317 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20151221 Year of fee payment: 3 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |