CA1108694A - Voltage reduction circuits - Google Patents

Voltage reduction circuits

Info

Publication number
CA1108694A
CA1108694A CA292,125A CA292125A CA1108694A CA 1108694 A CA1108694 A CA 1108694A CA 292125 A CA292125 A CA 292125A CA 1108694 A CA1108694 A CA 1108694A
Authority
CA
Canada
Prior art keywords
power
voltage
transformer
pin
pulses
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
CA292,125A
Other languages
English (en)
French (fr)
Inventor
James H. Gerding
Albert M. Heyman
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems 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
Priority claimed from US05/755,393 external-priority patent/US4092711A/en
Priority claimed from US05/755,391 external-priority patent/US4055790A/en
Priority claimed from US05/755,392 external-priority patent/US4092708A/en
Application filed by Honeywell Information Systems Inc filed Critical Honeywell Information Systems Inc
Priority to CA000363269A priority Critical patent/CA1119666A/en
Priority to CA000363268A priority patent/CA1119665A/en
Application granted granted Critical
Publication of CA1108694A publication Critical patent/CA1108694A/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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • H02M3/3385—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement with automatic control of output voltage or current
    • H02M3/3387—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement with automatic control of output voltage or current in a push-pull configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Power Sources (AREA)
CA292,125A 1976-12-29 1977-12-01 Voltage reduction circuits Expired CA1108694A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA000363269A CA1119666A (en) 1976-12-29 1980-10-24 Voltage reduction circuits
CA000363268A CA1119665A (en) 1976-12-29 1980-10-24 Voltage reduction circuits

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US755,391 1976-12-29
US05/755,393 US4092711A (en) 1976-12-29 1976-12-29 Power supply with automatic shutdown
US755,392 1976-12-29
US755,393 1976-12-29
US05/755,391 US4055790A (en) 1976-12-29 1976-12-29 Power supply with base drive control
US05/755,392 US4092708A (en) 1976-12-29 1976-12-29 Power supply with overcurrent protection

Publications (1)

Publication Number Publication Date
CA1108694A true CA1108694A (en) 1981-09-08

Family

ID=27419480

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292,125A Expired CA1108694A (en) 1976-12-29 1977-12-01 Voltage reduction circuits

Country Status (4)

Country Link
CA (1) CA1108694A (xx)
DE (1) DE2755607A1 (xx)
FR (1) FR2376547A1 (xx)
GB (4) GB1597730A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1188718B (it) * 1986-05-22 1988-01-28 Neywell Information Systems It Alimentatore a commutazione
DE3623192A1 (de) * 1986-07-10 1988-01-14 Thomson Brandt Gmbh Schaltungsanordnung zur stromversorgung elektronischer geraete
JPH04150767A (ja) * 1990-10-08 1992-05-25 Fuji Electric Co Ltd スイッチング電源回路
GB9104482D0 (en) * 1991-03-04 1991-04-17 Cooperheat Int Ltd Solid state dc power supply

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3571707A (en) * 1969-04-18 1971-03-23 Nasa Voltage dropout sensor
US3596165A (en) * 1969-07-24 1971-07-27 Tektronix Inc Converter circuit having a controlled output
US3769568A (en) * 1972-07-31 1973-10-30 Bell Telephone Labor Inc Dc-to-dc converter having soft start and other regulation features employing priority of pulse feedback
US3859586A (en) * 1973-09-26 1975-01-07 Bell Telephone Labor Inc Overcurrent protection circuit utilizing peak detection circuit with variable dynamic response
US3918043A (en) * 1974-03-18 1975-11-04 Honeywell Inc Power supply monitor
DE2504511A1 (de) * 1975-02-04 1976-08-05 Licentia Gmbh Schaltungsanordnung zur erzeugung und aufrechterhaltung eines prellfreien alarmsignals

Also Published As

Publication number Publication date
DE2755607C2 (xx) 1990-06-13
DE2755607A1 (de) 1978-07-13
FR2376547B1 (xx) 1985-03-29
GB1597728A (en) 1981-09-09
GB1597727A (en) 1981-09-09
FR2376547A1 (fr) 1978-07-28
GB1597729A (en) 1981-09-09
GB1597730A (en) 1981-09-09

Similar Documents

Publication Publication Date Title
US6914793B2 (en) Method and apparatus providing a multi-function terminal for a power supply controller
US4323961A (en) Free-running flyback DC power supply
US7554826B2 (en) Method and apparatus to control output power from a switching power supply
EP0895669B1 (en) Low-cost, high-voltage, flyback power supply
US10020744B2 (en) Circuits and methods for reducing output voltage overshoot of switch mode power supply
US20080218138A1 (en) Method and apparatus for reducing audio noise in a switching regulator
US4629971A (en) Switch mode converter and improved primary switch drive therefor
US4092711A (en) Power supply with automatic shutdown
US4912617A (en) Switch mode power supply with separately regulated secondary voltage
EP0124210B1 (en) Current driven flyback power supply
US4055790A (en) Power supply with base drive control
US4092708A (en) Power supply with overcurrent protection
GB2079082A (en) Protective circuits for transistors
CA1108694A (en) Voltage reduction circuits
US4713554A (en) Extended range regulated power supply
CA1119666A (en) Voltage reduction circuits
CA1119665A (en) Voltage reduction circuits
AU599579B2 (en) Dc chopped power supply from an ac voltage
EP0019096A1 (en) DC-DC converter with current and voltage regulation
JPS6055855A (ja) スイツチングレギユレ−タの信頼性を向上させる制御方法及び回路
KR19980031193A (ko) 스위칭 모드 파워 서플라이의 전력 손실 방지 회로

Legal Events

Date Code Title Description
MKEX Expiry