JPS57169829A - Switching power supply device - Google Patents

Switching power supply device

Info

Publication number
JPS57169829A
JPS57169829A JP5537381A JP5537381A JPS57169829A JP S57169829 A JPS57169829 A JP S57169829A JP 5537381 A JP5537381 A JP 5537381A JP 5537381 A JP5537381 A JP 5537381A JP S57169829 A JPS57169829 A JP S57169829A
Authority
JP
Japan
Prior art keywords
circuit
converter
voltage
power supply
current
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
JP5537381A
Other languages
Japanese (ja)
Inventor
Chihiro Kawaguchi
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.)
FDK Corp
Original Assignee
FDK 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 FDK Corp filed Critical FDK Corp
Priority to JP5537381A priority Critical patent/JPS57169829A/en
Publication of JPS57169829A publication Critical patent/JPS57169829A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

PURPOSE:To realize an auxiliary power supply circuit of a low impedance with a miniature and light-weight structure, by driving a control circuit with a circuit current and the output voltage of a separately excited DC-DC converter circuit. CONSTITUTION:When a circuit current flows to a constant voltage circuit 10, a control circuit 6 works via diode D1 to actuate a separately excited DC-DC converter circuit 5. The load current and the charged current of the converter are superposed on each other for the circuit current, and as a result the circuit current flows through the circuit 10. The voltage of the output (d) of the converter is set higher than the output (e) of the circuit 10. Thus the converter is actuated to be then set in the steady mode, and then the voltage is supplied to the circuit 6 by the voltage (d). Then the circuit current flows consecutively although the load of the converter is turned into a light load, and therefore the circuit has the stable working. In other words, an auxiliary power supply circuit of low impedance is obtained by both outputs (e) and (d).
JP5537381A 1981-04-13 1981-04-13 Switching power supply device Pending JPS57169829A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5537381A JPS57169829A (en) 1981-04-13 1981-04-13 Switching power supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5537381A JPS57169829A (en) 1981-04-13 1981-04-13 Switching power supply device

Publications (1)

Publication Number Publication Date
JPS57169829A true JPS57169829A (en) 1982-10-19

Family

ID=12996676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5537381A Pending JPS57169829A (en) 1981-04-13 1981-04-13 Switching power supply device

Country Status (1)

Country Link
JP (1) JPS57169829A (en)

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