WO2003012568A3 - Spannungsregler mit frequenzgangkorrektur - Google Patents

Spannungsregler mit frequenzgangkorrektur Download PDF

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Publication number
WO2003012568A3
WO2003012568A3 PCT/DE2002/002449 DE0202449W WO03012568A3 WO 2003012568 A3 WO2003012568 A3 WO 2003012568A3 DE 0202449 W DE0202449 W DE 0202449W WO 03012568 A3 WO03012568 A3 WO 03012568A3
Authority
WO
WIPO (PCT)
Prior art keywords
voltage regulator
ohmic resistance
frequency response
internal
internal ohmic
Prior art date
Application number
PCT/DE2002/002449
Other languages
English (en)
French (fr)
Other versions
WO2003012568A2 (de
Inventor
Bernhard Schaffer
Original Assignee
Infineon Technologies Ag
Bernhard Schaffer
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
Priority claimed from DE10149907A external-priority patent/DE10149907A1/de
Application filed by Infineon Technologies Ag, Bernhard Schaffer filed Critical Infineon Technologies Ag
Priority to EP02754318A priority Critical patent/EP1421456B1/de
Publication of WO2003012568A2 publication Critical patent/WO2003012568A2/de
Publication of WO2003012568A3 publication Critical patent/WO2003012568A3/de
Priority to US10/765,620 priority patent/US6841978B2/en

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
    • G05F1/575—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
    • 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

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)

Abstract

Ein Spannungsregler (10, 11) weist einen Spannungsreglerausgang (6) zur Bereitstellung einer geregelten Ausgangsspannung (Uaus) und einen internen, seriell zu einer an den Spannungsreglerausgang (6) anzuschließenden externen Last (RL) angeordneten ohmschen Widerstand (RZ) auf. Ein interner elektrischer Regelungs-Rückkopplungspfad des Spannungsreglers (10, 11) wird sowohl an einem ersten Punkt (A) vor dem internen ohmschen Widerstand (RZ), als auch an einem zweiten Punkt (B) hinter dem internen ohmschen Widerstand (RZ) abgegriffen, wobei der zweite Punkt (B) zwischen dem internen ohmschen Widerstand (RZ) und dem Spannungsreglerausgang (6) liegt. Für Frequenzen oberhalb einer vorbestimmten Frequenz (fw) wird die Regelung im Wesentlichen direkt über den ersten Punkt (A) und nicht über den zweiten Punkt (B) wirksam, während für Frequenzen unterhalb der vorbestimmten Frequenz (fw) die Regelung im Wesentlichen über den Weg erster Punkt (A) - interner ohmscher Widerstand (RZ) - zweiter Punkt (B) erfolgt.
PCT/DE2002/002449 2001-07-27 2002-07-04 Spannungsregler mit frequenzgangkorrektur WO2003012568A2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02754318A EP1421456B1 (de) 2001-07-27 2002-07-04 Spannungsregler mit frequenzgangkorrektur
US10/765,620 US6841978B2 (en) 2001-07-27 2004-01-27 Voltage regulator with frequency response correction

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10136715 2001-07-27
DE10136715.5 2001-07-27
DE10149907.8 2001-10-10
DE10149907A DE10149907A1 (de) 2001-07-27 2001-10-10 Spannungsregler mit Frequenzgangkorrektur

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/765,620 Continuation US6841978B2 (en) 2001-07-27 2004-01-27 Voltage regulator with frequency response correction

Publications (2)

Publication Number Publication Date
WO2003012568A2 WO2003012568A2 (de) 2003-02-13
WO2003012568A3 true WO2003012568A3 (de) 2003-04-17

Family

ID=26009793

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/002449 WO2003012568A2 (de) 2001-07-27 2002-07-04 Spannungsregler mit frequenzgangkorrektur

Country Status (3)

Country Link
US (1) US6841978B2 (de)
EP (1) EP1421456B1 (de)
WO (1) WO2003012568A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6975099B2 (en) * 2004-02-27 2005-12-13 Texas Instruments Incorporated Efficient frequency compensation for linear voltage regulators
US7721119B2 (en) * 2006-08-24 2010-05-18 International Business Machines Corporation System and method to optimize multi-core microprocessor performance using voltage offsets

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0766164A2 (de) * 1995-09-29 1997-04-02 STMicroelectronics, Inc. Spannungsregelung mit Lastpolstabilisation
US5631598A (en) * 1995-06-07 1997-05-20 Analog Devices, Inc. Frequency compensation for a low drop-out regulator
US5852359A (en) * 1995-09-29 1998-12-22 Stmicroelectronics, Inc. Voltage regulator with load pole stabilization
US5889393A (en) * 1997-09-29 1999-03-30 Impala Linear Corporation Voltage regulator having error and transconductance amplifiers to define multiple poles

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4908566A (en) * 1989-02-22 1990-03-13 Harris Corporation Voltage regulator having staggered pole-zero compensation network
US5191278A (en) * 1991-10-23 1993-03-02 International Business Machines Corporation High bandwidth low dropout linear regulator
EP0846996B1 (de) 1996-12-05 2003-03-26 STMicroelectronics S.r.l. Leistungstransistorsteuerschaltung für Spannungsregler
US6630903B1 (en) * 2001-09-28 2003-10-07 Itt Manufacturing Enterprises, Inc. Programmable power regulator for medium to high power RF amplifiers with variable frequency applications
US6518737B1 (en) * 2001-09-28 2003-02-11 Catalyst Semiconductor, Inc. Low dropout voltage regulator with non-miller frequency compensation
US6465994B1 (en) * 2002-03-27 2002-10-15 Texas Instruments Incorporated Low dropout voltage regulator with variable bandwidth based on load current

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5631598A (en) * 1995-06-07 1997-05-20 Analog Devices, Inc. Frequency compensation for a low drop-out regulator
EP0766164A2 (de) * 1995-09-29 1997-04-02 STMicroelectronics, Inc. Spannungsregelung mit Lastpolstabilisation
US5852359A (en) * 1995-09-29 1998-12-22 Stmicroelectronics, Inc. Voltage regulator with load pole stabilization
US5889393A (en) * 1997-09-29 1999-03-30 Impala Linear Corporation Voltage regulator having error and transconductance amplifiers to define multiple poles

Also Published As

Publication number Publication date
US6841978B2 (en) 2005-01-11
US20040207374A1 (en) 2004-10-21
EP1421456A2 (de) 2004-05-26
WO2003012568A2 (de) 2003-02-13
EP1421456B1 (de) 2012-04-11

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