JP2022072600A - 基準電圧回路 - Google Patents
基準電圧回路 Download PDFInfo
- Publication number
- JP2022072600A JP2022072600A JP2020182127A JP2020182127A JP2022072600A JP 2022072600 A JP2022072600 A JP 2022072600A JP 2020182127 A JP2020182127 A JP 2020182127A JP 2020182127 A JP2020182127 A JP 2020182127A JP 2022072600 A JP2022072600 A JP 2022072600A
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- JP
- Japan
- Prior art keywords
- npn transistor
- resistor
- circuit
- reference voltage
- collector
- 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.)
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- 230000003071 parasitic effect Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 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
- 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
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/30—Regulators using the difference between the base-emitter voltages of two bipolar transistors operating at different current densities
-
- 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
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
- G05F3/242—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage
-
- 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
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/26—Current mirrors
-
- 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
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/26—Current mirrors
- G05F3/262—Current mirrors using field-effect transistors only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
- H03F3/45183—Long tailed pairs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
- Amplifiers (AREA)
Abstract
Description
3、4、5:抵抗
6:オペアンプ
8、9:Pチャネル型MOSトランジスタ
7a:ダイオード
Claims (4)
- コレクタとベースが短絡されてダイオード接続された第1のNPNトランジスタと、
コレクタとベースが短絡されてダイオード接続され、エミッタが第1の電位ノードに接続され、前記第1のNPNトランジスタよりも大きな電流密度で動作する第2のNPNトランジスタと、
前記第1のNPNトランジスタと直列に接続された第1の抵抗と、
前記第1のNPNトランジスタおよび第1の抵抗が直列接続された回路に一端が接続されている第2の抵抗と、
前記第2のNPNトランジスタのコレクタに一端が接続されている第3の抵抗と、
前記第2の抵抗の他端と前記第3の抵抗の他端が接続される接続点と、
前記第2の抵抗の一端に反転入力端子が接続され、前記第3の抵抗の一端に非反転入力端子が接続され、前記接続点に出力端子が接続されている演算増幅回路と、
前記第1のNPNトランジスタのコレクタに接続された電流供給回路と、
を備えることを特徴とする基準電圧回路。 - 前記電流供給回路は、アノードが前記第1の電位ノードに接続されたダイオードと、カレントミラー回路を構成する第4と第5のトランジスタを有し、
前記ダイオードに流れる電流が前記カレントミラー回路を介して前記第1のNPNトランジスタのコレクタに供給される請求項1記載の基準電圧回路。 - 前記電流供給回路は、エミッタとベースが短絡されてダイオード接続された第3のNPNトランジスタと、カレントミラー回路を構成する第4と第5のトランジスタを有し、
前記第3のNPNトランジスタに流れる電流が前記カレントミラー回路を介して前記第1のNPNトランジスタのコレクタに供給される請求項1記載の基準電圧回路。 - 前記接続点は、第4の抵抗を介して前記演算増幅回路の出力端子が接続される請求項1記載の基準電圧回路。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020182127A JP2022072600A (ja) | 2020-10-30 | 2020-10-30 | 基準電圧回路 |
KR1020210122644A KR20220058410A (ko) | 2020-10-30 | 2021-09-14 | 기준 전압 회로 |
CN202111090560.7A CN114442727A (zh) | 2020-10-30 | 2021-09-17 | 基准电压电路 |
TW110135679A TW202217499A (zh) | 2020-10-30 | 2021-09-24 | 參考電壓電路 |
US17/488,331 US11662761B2 (en) | 2020-10-30 | 2021-09-29 | Reference voltage circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020182127A JP2022072600A (ja) | 2020-10-30 | 2020-10-30 | 基準電圧回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022072600A true JP2022072600A (ja) | 2022-05-17 |
JP2022072600A5 JP2022072600A5 (ja) | 2023-09-06 |
Family
ID=81362368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020182127A Pending JP2022072600A (ja) | 2020-10-30 | 2020-10-30 | 基準電圧回路 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11662761B2 (ja) |
JP (1) | JP2022072600A (ja) |
KR (1) | KR20220058410A (ja) |
CN (1) | CN114442727A (ja) |
TW (1) | TW202217499A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117130422A (zh) * | 2022-05-19 | 2023-11-28 | 上海韦尔半导体股份有限公司 | 基准电压电路 |
CN115454200B (zh) * | 2022-09-27 | 2024-01-19 | 思瑞浦微电子科技(苏州)股份有限公司 | 电压产生电路、漏电流补偿方法及芯片 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03185506A (ja) * | 1989-12-14 | 1991-08-13 | Toyota Motor Corp | 安定化定電圧回路 |
US6765431B1 (en) * | 2002-10-15 | 2004-07-20 | Maxim Integrated Products, Inc. | Low noise bandgap references |
JP2005182113A (ja) | 2003-12-16 | 2005-07-07 | Toshiba Corp | 基準電圧発生回路 |
US7173407B2 (en) * | 2004-06-30 | 2007-02-06 | Analog Devices, Inc. | Proportional to absolute temperature voltage circuit |
JP4603378B2 (ja) * | 2005-02-08 | 2010-12-22 | 株式会社豊田中央研究所 | 基準電圧回路 |
-
2020
- 2020-10-30 JP JP2020182127A patent/JP2022072600A/ja active Pending
-
2021
- 2021-09-14 KR KR1020210122644A patent/KR20220058410A/ko active Search and Examination
- 2021-09-17 CN CN202111090560.7A patent/CN114442727A/zh active Pending
- 2021-09-24 TW TW110135679A patent/TW202217499A/zh unknown
- 2021-09-29 US US17/488,331 patent/US11662761B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
TW202217499A (zh) | 2022-05-01 |
CN114442727A (zh) | 2022-05-06 |
KR20220058410A (ko) | 2022-05-09 |
US20220137660A1 (en) | 2022-05-05 |
US11662761B2 (en) | 2023-05-30 |
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