JPS56112880A - Switching-type power source device - Google Patents

Switching-type power source device

Info

Publication number
JPS56112880A
JPS56112880A JP1549180A JP1549180A JPS56112880A JP S56112880 A JPS56112880 A JP S56112880A JP 1549180 A JP1549180 A JP 1549180A JP 1549180 A JP1549180 A JP 1549180A JP S56112880 A JPS56112880 A JP S56112880A
Authority
JP
Japan
Prior art keywords
voltage
supply voltage
output
transistor
fluctuation
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.)
Pending
Application number
JP1549180A
Other languages
Japanese (ja)
Inventor
Shunichi Nozawa
Shinichi Mizumichi
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.)
SHIKOKU HENATSUKI KK
Shihen Technical Corp
Original Assignee
SHIKOKU HENATSUKI KK
Shihen Technical Corp
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 SHIKOKU HENATSUKI KK, Shihen Technical Corp filed Critical SHIKOKU HENATSUKI KK
Priority to JP1549180A priority Critical patent/JPS56112880A/en
Publication of JPS56112880A publication Critical patent/JPS56112880A/en
Pending 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
    • H02M3/33507—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 with automatic control of the output voltage or current, e.g. flyback converters

Abstract

PURPOSE:To lessen the influence of the fluctuation of supply voltage on output voltage by employing the voltage fluctuating in the same direction with that of the voltage fluctuation of the power source as supply voltage to a timing circuit for setting the width of the time of impression of the supply voltage. CONSTITUTION:A transistor 5 for interrupting current is connected to the primary winding 2 of a transformer 1, while an output is supplied from the secondary winding 3 to a load Rl. In addition, the transformer 1 is provided with the 3rd winding 4, which is connected with a synchronizing pulse generating circuit 11, and by the output thereof a flip-flop 8 is controlled and thereby the transistor 5 and a transistor 6 which is connected to the timing circuits R1 and C1 to which the same voltage is given with the supply voltage are controlled, while the output voltage is detected by a detecting circuit 10 and given to a comparator 7, whereby the flip-flop 8 is controlled. Therefore, dependence of the fluctuation of the output voltage on that of the supply voltage can be reduced and thus stable control characteristics can be obtained.
JP1549180A 1980-02-13 1980-02-13 Switching-type power source device Pending JPS56112880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1549180A JPS56112880A (en) 1980-02-13 1980-02-13 Switching-type power source device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1549180A JPS56112880A (en) 1980-02-13 1980-02-13 Switching-type power source device

Publications (1)

Publication Number Publication Date
JPS56112880A true JPS56112880A (en) 1981-09-05

Family

ID=11890259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1549180A Pending JPS56112880A (en) 1980-02-13 1980-02-13 Switching-type power source device

Country Status (1)

Country Link
JP (1) JPS56112880A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004060A1 (en) * 1984-02-27 1985-09-12 Sundstrand Corporation Soft-start control for a push-pull converter-regulator with a flux balancing circuit
US4809150A (en) * 1988-01-27 1989-02-28 Electric Power Research Institute, Inc. DC to DC converter with feed forward and feed back regulation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004060A1 (en) * 1984-02-27 1985-09-12 Sundstrand Corporation Soft-start control for a push-pull converter-regulator with a flux balancing circuit
JPS61501305A (en) * 1984-02-27 1986-06-26 サンドストランド・コ−ポレ−ション Soft-start control device for push-pull conversion regulator using magnetic flux balancing circuit
US4598351A (en) * 1984-02-27 1986-07-01 Sundstrand Corporation Soft-start control for a push-pull converter-regulator with a flux balancing circuit
US4809150A (en) * 1988-01-27 1989-02-28 Electric Power Research Institute, Inc. DC to DC converter with feed forward and feed back regulation
WO1989007363A1 (en) * 1988-01-27 1989-08-10 Electric Power Research Institute, Inc. Dc to dc converter with feed forward and feed back regulation

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