GB1325257A - Electrical regulators - Google Patents

Electrical regulators

Info

Publication number
GB1325257A
GB1325257A GB2485571*A GB2485571A GB1325257A GB 1325257 A GB1325257 A GB 1325257A GB 2485571 A GB2485571 A GB 2485571A GB 1325257 A GB1325257 A GB 1325257A
Authority
GB
United Kingdom
Prior art keywords
voltage
transistor
amplifier
base
terminal
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.)
Expired
Application number
GB2485571*A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Semiconductor Corp
Original Assignee
National Semiconductor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by National Semiconductor Corp filed Critical National Semiconductor Corp
Publication of GB1325257A publication Critical patent/GB1325257A/en
Expired legal-status Critical Current

Links

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
    • 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
    • G05F1/565—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
    • G05F1/567—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for temperature compensation
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S323/00—Electricity: power supply or regulation systems
    • Y10S323/907—Temperature compensation of semiconductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)

Abstract

1325257 Transistor amplifiers NATIONAL SEMICONDUCTOR CORP 19 April 1971 [23 March 1970] 24855/71 Heading H3T [Also in Division G3] An operational amplifier 12 forming part of a floating voltage or current regulator (see Division G3) comprises a differential amplifier stage 50, an optional differential amplifier stage 52 and an emitter follower stage 54. The base of transistor Q5 forms the non inverting input of the whole amplifier and is connected to a terminal 3 at which is produced a constant voltage, adjustable by a resistor 15, through the action of a temperature-compensated voltage reference source 11. The amplifier 12 operates as a voltage follower to maintain the voltage at an output terminal 2 at the value at the terminal 3, members 11, 12 being connected to an unregulated input voltage at a terminal 1. The base of a transistor Q6 forms the inverting input of the amplifier, which also includes current sources 60, 62, 64. In an adjusting operation produced by increasing the value of the resistor 15, transistors Q5 and Q7 turn off causing transistor Q8 to turn on and produce a current through resistors 56, 58 the resultant differential voltage produced at the bases of transistors Q9, Q10 tending to turn off transistor Q10. This causes an increase of current from the source 64 to the base of transistor Q11, thus turning the emitter follower 54 harder on to increase the voltage at the terminal 2. This increase is terminated when feedback to the transistor Q6 increases the potential of its base to that at the base of transistor Q5. The amplifier is of monolithic integrated circuit form and can be used over a wide high-to-low voltage range, so long as the difference between the voltages at terminals 1, 2 does not exceed the breakdown voltage of the integrated circuit transistors.
GB2485571*A 1970-03-23 1971-04-19 Electrical regulators Expired GB1325257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2196870A 1970-03-23 1970-03-23

Publications (1)

Publication Number Publication Date
GB1325257A true GB1325257A (en) 1973-08-01

Family

ID=21807132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2485571*A Expired GB1325257A (en) 1970-03-23 1971-04-19 Electrical regulators

Country Status (6)

Country Link
US (1) US3617859A (en)
JP (1) JPS5318694B1 (en)
CA (1) CA921553A (en)
DE (1) DE2113630A1 (en)
FR (1) FR2083494B1 (en)
GB (1) GB1325257A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2310737A (en) * 1996-03-01 1997-09-03 Nec Corp Voltage reference circuit

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DE2252185C2 (en) * 1972-10-25 1983-12-01 Robert Bosch Gmbh, 7000 Stuttgart Circuit arrangement for converting and evaluating the output signal of an oxygen sensor in a device for exhaust gas decontamination of internal combustion engines
US3781648A (en) * 1973-01-10 1973-12-25 Fairchild Camera Instr Co Temperature compensated voltage regulator having beta compensating means
US3828240A (en) * 1973-06-26 1974-08-06 Itt Monolithic integrable series stabilization circuit for generating a constant low voltage output
US3886435A (en) * 1973-08-03 1975-05-27 Rca Corp V' be 'voltage voltage source temperature compensation network
US3866134A (en) * 1973-08-09 1975-02-11 Ibm Power amplifier with self biasing and insensitivity to temperature variations
US3864623A (en) * 1973-10-05 1975-02-04 Computer Transmission Corp Pseudo balanced constant current supply
US3887863A (en) * 1973-11-28 1975-06-03 Analog Devices Inc Solid-state regulated voltage supply
US3893018A (en) * 1973-12-20 1975-07-01 Motorola Inc Compensated electronic voltage source
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US4006400A (en) * 1975-03-26 1977-02-01 Honeywell Information Systems, Inc. Reference voltage regulator
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US4059793A (en) * 1976-08-16 1977-11-22 Rca Corporation Semiconductor circuits for generating reference potentials with predictable temperature coefficients
US4095164A (en) * 1976-10-05 1978-06-13 Rca Corporation Voltage supply regulated in proportion to sum of positive- and negative-temperature-coefficient offset voltages
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US4250445A (en) * 1979-01-17 1981-02-10 Analog Devices, Incorporated Band-gap voltage reference with curvature correction
USRE30586E (en) * 1979-02-02 1981-04-21 Analog Devices, Incorporated Solid-state regulated voltage supply
US4240024A (en) * 1979-02-15 1980-12-16 Gte Automatic Electric Laboratories Incorporated Temperature compensated current source
IT1202895B (en) * 1979-02-27 1989-02-15 Ates Componenti Elettron THERMAL PROTECTION DEVICE FOR AN ELECTRONIC SEMICONDUCTOR COMPONENT
US4302718A (en) * 1980-05-27 1981-11-24 Rca Corporation Reference potential generating circuits
FR2506043A1 (en) * 1981-05-15 1982-11-19 Thomson Csf Integrated voltage regulator with predetermined temp. coefficient - has series transistor stage where current imbalance drives feedback amplifier to correct output voltage error
US4348633A (en) * 1981-06-22 1982-09-07 Motorola, Inc. Bandgap voltage regulator having low output impedance and wide bandwidth
US4399398A (en) * 1981-06-30 1983-08-16 Rca Corporation Voltage reference circuit with feedback circuit
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US4525663A (en) * 1982-08-03 1985-06-25 Burr-Brown Corporation Precision band-gap voltage reference circuit
JPS5995621A (en) * 1982-11-22 1984-06-01 Toshiba Corp Reference voltage circuit
JPS59103118A (en) * 1982-12-03 1984-06-14 Matsushita Electric Ind Co Ltd Constant voltage device
JPS59107226A (en) * 1982-12-10 1984-06-21 Citizen Watch Co Ltd Temperature detector
IT1162859B (en) * 1983-05-12 1987-04-01 Cselt Centro Studi Lab Telecom POLARIZATION CIRCUIT FOR MULTIFUNCTION BIPOLAR INTEGRATED CIRCUITS
US4491780A (en) * 1983-08-15 1985-01-01 Motorola, Inc. Temperature compensated voltage reference circuit
DE3682855D1 (en) * 1985-09-17 1992-01-23 Siemens Ag CIRCUIT ARRANGEMENT FOR THE GENERATION OF A REFERENCE VOLTAGE WITH PRESETABLE TEMPERATURE DRIFT.
JP2595545B2 (en) * 1987-07-16 1997-04-02 ソニー株式会社 Constant voltage circuit
US4810962A (en) * 1987-10-23 1989-03-07 International Business Machines Corporation Voltage regulator capable of sinking current
US5206581A (en) * 1989-11-02 1993-04-27 Kabushiki Kaisha Toshiba Constant voltage circuit
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DE69417622T2 (en) * 1993-04-30 1999-09-09 St Microelectronics Voltage comparator with a summation of direct currents based on the bandgap principle and supply voltage switch containing them
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US6172555B1 (en) 1997-10-01 2001-01-09 Sipex Corporation Bandgap voltage reference circuit
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US6118263A (en) * 1999-01-27 2000-09-12 Linear Technology Corporation Current generator circuitry with zero-current shutdown state
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US6812683B1 (en) * 2003-04-23 2004-11-02 National Semiconductor Corporation Regulation of the drain-source voltage of the current-source in a thermal voltage (VPTAT) generator
US6906580B2 (en) * 2003-06-19 2005-06-14 Semiconductor Components Industries, Llc Method of forming a reference voltage generator and structure therefor
US7071673B2 (en) * 2003-09-02 2006-07-04 Acu Technology Semiconductor Inc. Process insensitive voltage reference
US7122997B1 (en) 2005-11-04 2006-10-17 Honeywell International Inc. Temperature compensated low voltage reference circuit
JP2008123480A (en) * 2006-10-16 2008-05-29 Nec Electronics Corp Reference voltage generating circuit
US7642759B2 (en) * 2007-07-13 2010-01-05 Linear Technology Corporation Paralleling voltage regulators
GB2452324A (en) 2007-09-03 2009-03-04 Adaptalog Ltd Temperature sensor or bandgap regulator
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US8159206B2 (en) * 2008-06-10 2012-04-17 Analog Devices, Inc. Voltage reference circuit based on 3-transistor bandgap cell
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US8841897B2 (en) * 2011-01-25 2014-09-23 Microchip Technology Incorporated Voltage regulator having current and voltage foldback based upon load impedance
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DE102016110666B4 (en) 2016-06-09 2021-12-09 Lisa Dräxlmaier GmbH Switching device for compensating a temperature response of a base-emitter path of a transistor
US11137784B2 (en) 2018-09-07 2021-10-05 The George Washington University Linear voltage regulator circuit incorporating light emitting and photovoltaic devices
DE102018217442B4 (en) 2018-10-11 2023-07-13 Dialog Semiconductor (Uk) Limited Voltage regulator with virtual zero quiescent current
US11307601B2 (en) 2020-09-24 2022-04-19 Polaris Semiconductor LLC Linear voltage regulator
CN114815950B (en) * 2022-05-27 2024-03-12 浙江地芯引力科技有限公司 Current generating circuit, chip and electronic equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524125A (en) * 1968-09-24 1970-08-11 Ibm Monolithic stabilized reference voltage source

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2310737A (en) * 1996-03-01 1997-09-03 Nec Corp Voltage reference circuit
GB2310737B (en) * 1996-03-01 1999-11-10 Nec Corp Voltage reference circuit

Also Published As

Publication number Publication date
FR2083494B1 (en) 1974-10-11
JPS5318694B1 (en) 1978-06-16
FR2083494A1 (en) 1971-12-17
DE2113630A1 (en) 1971-10-14
CA921553A (en) 1973-02-20
US3617859A (en) 1971-11-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years