CA1039354A - Switching voltage regulator with low rfi noise - Google Patents

Switching voltage regulator with low rfi noise

Info

Publication number
CA1039354A
CA1039354A CA249,227A CA249227A CA1039354A CA 1039354 A CA1039354 A CA 1039354A CA 249227 A CA249227 A CA 249227A CA 1039354 A CA1039354 A CA 1039354A
Authority
CA
Canada
Prior art keywords
transistor
voltage
diode
output
coil
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
CA249,227A
Other languages
English (en)
French (fr)
Inventor
Harry L. Maddox
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1039354A publication Critical patent/CA1039354A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0045—Converters combining the concepts of switch-mode regulation and linear regulation, e.g. linear pre-regulator to switching converter, linear and switching converter in parallel, same converter or same transistor operating either in linear or switching mode

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Dc-Dc Converters (AREA)
  • Electronic Switches (AREA)
CA249,227A 1975-06-02 1976-03-30 Switching voltage regulator with low rfi noise Expired CA1039354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/583,089 US3982174A (en) 1975-06-02 1975-06-02 Switching voltage regulator with low RFI noise

Publications (1)

Publication Number Publication Date
CA1039354A true CA1039354A (en) 1978-09-26

Family

ID=24331638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA249,227A Expired CA1039354A (en) 1975-06-02 1976-03-30 Switching voltage regulator with low rfi noise

Country Status (2)

Country Link
US (1) US3982174A (OSRAM)
CA (1) CA1039354A (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258308A (en) * 1979-04-09 1981-03-24 General Electric Company Switching regulator with flyback control offset
US4282477A (en) * 1980-02-11 1981-08-04 Rca Corporation Series voltage regulators for developing temperature-compensated voltages
US4325021A (en) * 1980-09-26 1982-04-13 Rca Corporation Regulated switching apparatus
US4412279A (en) * 1981-12-28 1983-10-25 Beckman Instruments, Inc. Switching regulator with transient reduction circuit
US4673851A (en) * 1986-03-31 1987-06-16 General Motors Corporation PWM motor operating system with RFI suppression
US7489489B2 (en) * 2003-08-11 2009-02-10 Jm Electronics Ltd. Llc Load current sensing technique
EP2068433A1 (en) * 2007-11-27 2009-06-10 Koninklijke Philips Electronics N.V. Capacitive power supply and electronic device provided with a capacitive power supply
US9467098B2 (en) * 2014-06-25 2016-10-11 Qualcomm Incorporated Slew rate control boost circuits and methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577065A (en) * 1968-11-21 1971-05-04 Rca Corp Switching regulator having a diode connected to an intermediate tap of a choke
US3641424A (en) * 1970-11-20 1972-02-08 Trw Inc Regenerative voltage regulators
US3742330A (en) * 1971-09-07 1973-06-26 Delta Electronic Control Corp Current mode d c to a c converters
US3745444A (en) * 1972-03-22 1973-07-10 Bell Telephone Labor Inc Switching regulator with network to reduce turnon power losses in the switching transistor
US3736495A (en) * 1972-03-22 1973-05-29 Bell Telephone Labor Inc Switching regulator with high efficiency turnoff loss reduction network
US3781642A (en) * 1972-11-06 1973-12-25 Honeywell Inf Systems D.c.-d.c.power supply with stabilization

Also Published As

Publication number Publication date
US3982174A (en) 1976-09-21
USB583089I5 (OSRAM) 1976-01-27

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