DE3780334T2 - Stabilisierte konstantstromversorgung. - Google Patents

Stabilisierte konstantstromversorgung.

Info

Publication number
DE3780334T2
DE3780334T2 DE8787101178T DE3780334T DE3780334T2 DE 3780334 T2 DE3780334 T2 DE 3780334T2 DE 8787101178 T DE8787101178 T DE 8787101178T DE 3780334 T DE3780334 T DE 3780334T DE 3780334 T2 DE3780334 T2 DE 3780334T2
Authority
DE
Germany
Prior art keywords
voltage
output
terminal
input
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.)
Expired - Fee Related
Application number
DE8787101178T
Other languages
German (de)
English (en)
Other versions
DE3780334D1 (de
Inventor
Masahiro Nec Ic Micro Kitamura
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Publication of DE3780334D1 publication Critical patent/DE3780334D1/de
Application granted granted Critical
Publication of DE3780334T2 publication Critical patent/DE3780334T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G05F1/571—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 overvoltage detector
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power Engineering (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
DE8787101178T 1986-01-28 1987-01-28 Stabilisierte konstantstromversorgung. Expired - Fee Related DE3780334T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61017161A JPS62174814A (ja) 1986-01-28 1986-01-28 安定化電源回路

Publications (2)

Publication Number Publication Date
DE3780334D1 DE3780334D1 (de) 1992-08-20
DE3780334T2 true DE3780334T2 (de) 1993-03-04

Family

ID=11936241

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787101178T Expired - Fee Related DE3780334T2 (de) 1986-01-28 1987-01-28 Stabilisierte konstantstromversorgung.

Country Status (4)

Country Link
US (1) US4774450A (US20020128544A1-20020912-P00008.png)
EP (1) EP0238803B1 (US20020128544A1-20020912-P00008.png)
JP (1) JPS62174814A (US20020128544A1-20020912-P00008.png)
DE (1) DE3780334T2 (US20020128544A1-20020912-P00008.png)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63247668A (ja) * 1987-04-02 1988-10-14 Sharp Corp 電圧レベル判別装置
DE3723579C1 (de) * 1987-07-16 1989-02-16 Sgs Halbleiterbauelemente Gmbh Laengsspannungsregler
US4779037A (en) * 1987-11-17 1988-10-18 National Semiconductor Corporation Dual input low dropout voltage regulator
DE3809481A1 (de) * 1988-03-22 1989-10-12 Philips Patentverwaltung Schaltungsanordnung zur erzeugung einer impuls-versorgungsspannung fuer einen verbraucher aus einer gleichspannung
US4908523A (en) * 1988-04-04 1990-03-13 Motorola, Inc. Electronic circuit with power drain control
US5066901A (en) * 1990-09-18 1991-11-19 National Semiconductor Corporation Transient protected isolator output stage
US5227666A (en) * 1990-12-17 1993-07-13 Cybex Corporation Power sharing switching circuit
JP3329017B2 (ja) * 1993-08-25 2002-09-30 ソニー株式会社 電源供給回路及び方法
JP2925470B2 (ja) * 1995-03-17 1999-07-28 東光株式会社 直列制御形レギュレータ
US6465996B2 (en) 2000-03-08 2002-10-15 Denso Corporation Constant voltage circuit with a substitute circuit in case of input voltage lowering
US6978386B2 (en) * 2000-12-28 2005-12-20 Ge Fanuc Automation North America, Inc. Method and apparatus for regulating current for programmable logic controllers
US6987822B2 (en) * 2001-03-13 2006-01-17 Micron Technology, Inc. Circuit and method for reducing noise interference in digital differential input receivers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573483A (en) * 1969-05-02 1971-04-06 Essex International Inc Power supply control apparatus
GB1428661A (en) * 1972-03-15 1976-03-17 Varta Great Britain Ltd Stand-by electric power supply units
US3809999A (en) * 1973-04-19 1974-05-07 Gen Electric Direct current voltage regulator
US4181842A (en) * 1976-09-13 1980-01-01 Honeywell Inc. D.C. monitoring circuit
US4388706A (en) * 1980-12-01 1983-06-14 General Electric Company Memory protection arrangement
US4400625A (en) * 1981-11-30 1983-08-23 Reliance Electric Company Standby A-C power system with transfer compensation circuitry
US4400626A (en) * 1982-02-24 1983-08-23 Rockwell International Corporation Power distribution system with means for sensing emergency condition and reducing standby power
US4510400A (en) * 1982-08-12 1985-04-09 Zenith Electronics Corporation Switching regulator power supply
SU1121659A1 (ru) * 1983-04-06 1984-10-30 Ленинградский Ордена Ленина Электротехнический Институт Им.В.И.Ульянова /Ленина/ Импульсный стабилизатор напр жени
US4564767A (en) * 1983-11-07 1986-01-14 Tii Industries, Inc. Uninterruptible switching power supply system
JPS61160124A (ja) * 1984-12-29 1986-07-19 Hitachi Ltd メモリ給電方式

Also Published As

Publication number Publication date
EP0238803B1 (en) 1992-07-15
DE3780334D1 (de) 1992-08-20
JPH0546571B2 (US20020128544A1-20020912-P00008.png) 1993-07-14
US4774450A (en) 1988-09-27
JPS62174814A (ja) 1987-07-31
EP0238803A1 (en) 1987-09-30

Similar Documents

Publication Publication Date Title
DE3780334T2 (de) Stabilisierte konstantstromversorgung.
DE2810641A1 (de) Spannungsfolge-steuerschaltung
EP0689058B1 (de) Schaltungsanordnung zum Überwachen eines Schaltungspunktes auf einen Leckwiderstand
DE3937501A1 (de) Verfahren und vorrichtung zur erzeugung einer vorspannung
DE2732794A1 (de) Schutzanordnung fuer akkumulator gegen tiefentladung
DE2821231C2 (de) Master-Slave-Flipflop in Stromschalter-Technik
EP0409327B1 (de) Stromversorgungseinrichtung mit Gleichspannungsüberwachungsschaltung
DE3722421C2 (US20020128544A1-20020912-P00008.png)
DE3529033A1 (de) Treiberschaltung fuer gleichstrommotoren
DE3224209C2 (US20020128544A1-20020912-P00008.png)
DE4308928C2 (de) Schaltungsanordnung zum Ein-/Ausschalten eines elektrischen Verbrauchers
EP0175099B1 (de) Einrichtung zur unterbrechungsfreien Spannungsumschaltung
DE1050810B (de) Bistabile Schaltung mit Flächentransistoren
DE4020187C2 (US20020128544A1-20020912-P00008.png)
DE2929515C2 (de) Schaltungsanordnung zur unterbrechungsfreien Spannungsumschaltung
DE3024390A1 (de) Feldeffekttransistor-steuereinrichtung
DE3931893A1 (de) Schaltung zur strombegrenzung mit foldback-verhalten
DE3311258C1 (de) Schaltungsanordnung zur UEberwachung einer Betriebsspannung
EP0185377B1 (de) Signalisierungsschaltung
EP0588111B1 (de) Speicherelement
EP0978025A1 (de) Elektronische schaltung
DE69018362T2 (de) Schutzschaltung gegen negative Überspannung, insbesondere für Ausgangsstufen.
AT401984B (de) Dynamische einschalt-rücksetzschaltung
DE3347498C2 (US20020128544A1-20020912-P00008.png)
DE1083074B (de) Kombinierte UND-Torschaltung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee