JPH0474731B2 - - Google Patents

Info

Publication number
JPH0474731B2
JPH0474731B2 JP58108636A JP10863683A JPH0474731B2 JP H0474731 B2 JPH0474731 B2 JP H0474731B2 JP 58108636 A JP58108636 A JP 58108636A JP 10863683 A JP10863683 A JP 10863683A JP H0474731 B2 JPH0474731 B2 JP H0474731B2
Authority
JP
Japan
Prior art keywords
current
terminal
resistor
transistor
base
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
JP58108636A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60521A (ja
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 filed Critical
Priority to JP58108636A priority Critical patent/JPS60521A/ja
Priority to US06/608,577 priority patent/US4593338A/en
Priority to DE19843421726 priority patent/DE3421726A1/de
Publication of JPS60521A publication Critical patent/JPS60521A/ja
Publication of JPH0474731B2 publication Critical patent/JPH0474731B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G05F1/569—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 protection
    • G05F1/573—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 protection with overcurrent detector
    • G05F1/5735—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 protection with overcurrent detector with foldback current limiting
    • 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)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP58108636A 1983-06-15 1983-06-15 電流制限保護回路 Granted JPS60521A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58108636A JPS60521A (ja) 1983-06-15 1983-06-15 電流制限保護回路
US06/608,577 US4593338A (en) 1983-06-15 1984-05-04 Constant-voltage power supply circuit
DE19843421726 DE3421726A1 (de) 1983-06-15 1984-06-12 Konstantspannungs-versorgungsschaltung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58108636A JPS60521A (ja) 1983-06-15 1983-06-15 電流制限保護回路

Publications (2)

Publication Number Publication Date
JPS60521A JPS60521A (ja) 1985-01-05
JPH0474731B2 true JPH0474731B2 (en]) 1992-11-27

Family

ID=14489817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58108636A Granted JPS60521A (ja) 1983-06-15 1983-06-15 電流制限保護回路

Country Status (3)

Country Link
US (1) US4593338A (en])
JP (1) JPS60521A (en])
DE (1) DE3421726A1 (en])

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4873673A (en) * 1986-12-03 1989-10-10 Hitachi, Ltd. Driver circuit having a current mirror circuit
US4912393A (en) * 1986-03-12 1990-03-27 Beltone Electronics Corporation Voltage regulator with variable reference outputs for a hearing aid
JPH083766B2 (ja) * 1986-05-31 1996-01-17 株式会社東芝 半導体集積回路の電源電圧降下回路
US4835649A (en) * 1987-12-14 1989-05-30 United Technologies Corporation Self-latching current limiter
US5006949A (en) * 1990-04-30 1991-04-09 Teledyne Industries, Inc. Temperature compensated overload trip level solid state relay
US5343141A (en) * 1992-06-09 1994-08-30 Cherry Semiconductor Corporation Transistor overcurrent protection circuit
JPH06162772A (ja) * 1992-11-25 1994-06-10 Sharp Corp 電源電圧降圧回路
US5570060A (en) * 1995-03-28 1996-10-29 Sgs-Thomson Microelectronics, Inc. Circuit for limiting the current in a power transistor
US5712555A (en) * 1996-02-13 1998-01-27 Hughes Electronics Voltage regulation for access cards
GB2334600A (en) 1998-02-24 1999-08-25 Lucas Ind Plc Pre-regulated power supplies for ECUs
JP3065605B2 (ja) * 1998-10-12 2000-07-17 シャープ株式会社 直流安定化電源装置
US7173405B2 (en) * 2003-07-10 2007-02-06 Atmel Corporation Method and apparatus for current limitation in voltage regulators with improved circuitry for providing a control voltage
ITTO20030533A1 (it) * 2003-07-10 2005-01-11 Atmel Corp Procedimento e circuito per la limitazione di corrente in
JP3610556B1 (ja) * 2003-10-21 2005-01-12 ローム株式会社 定電圧電源装置
JP4353826B2 (ja) * 2004-02-26 2009-10-28 株式会社リコー 定電圧回路
US7269193B2 (en) * 2004-06-28 2007-09-11 Fuji Film Corp. Semiconductor laser driving circuit and image recording apparatus
US7535691B2 (en) * 2006-03-30 2009-05-19 Power Integrations, Inc. Method and apparatus for an in-rush current limiting circuit
DE102006043614A1 (de) * 2006-09-16 2008-03-27 Conti Temic Microelectronic Gmbh Diskreter strombegrenzter Spannungsregler
US8169202B2 (en) * 2009-02-25 2012-05-01 Mediatek Inc. Low dropout regulators

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078410A (en) * 1959-09-22 1963-02-19 North American Aviation Inc Short circuit protection device
US3391330A (en) * 1965-10-19 1968-07-02 Gen Electric Direct current power supplies with overload protection
US3445751A (en) * 1966-11-25 1969-05-20 Rca Corp Current limiting voltage regulator
JPS5244420B2 (en]) * 1973-06-11 1977-11-08
NL7803607A (nl) * 1978-04-05 1979-10-09 Philips Nv Spanningsreferentieschakeling.
US4319179A (en) * 1980-08-25 1982-03-09 Motorola, Inc. Voltage regulator circuitry having low quiescent current drain and high line voltage withstanding capability

Also Published As

Publication number Publication date
DE3421726A1 (de) 1984-12-20
US4593338A (en) 1986-06-03
JPS60521A (ja) 1985-01-05
DE3421726C2 (en]) 1989-01-12

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