JPS57183275A - Switching power source circuit - Google Patents

Switching power source circuit

Info

Publication number
JPS57183275A
JPS57183275A JP56067838A JP6783881A JPS57183275A JP S57183275 A JPS57183275 A JP S57183275A JP 56067838 A JP56067838 A JP 56067838A JP 6783881 A JP6783881 A JP 6783881A JP S57183275 A JPS57183275 A JP S57183275A
Authority
JP
Japan
Prior art keywords
transistors
power source
series
switching power
source circuit
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
JP56067838A
Other languages
Japanese (ja)
Inventor
Osao Yoshimura
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP56067838A priority Critical patent/JPS57183275A/en
Publication of JPS57183275A publication Critical patent/JPS57183275A/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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal 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
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electronic Switches (AREA)
  • Inverter Devices (AREA)

Abstract

PURPOSE:To increase the efficiency of a power source by connecting diodes in forward direction in series with the collector sides of two transistors in a bridge type switching power source, thereby eliminating the power loss produced at the transistors. CONSTITUTION:Two transistors 4, 5 and two capacitors 2, 3 connected in series between the lined of a DC power source 1 are connected in a bridge, and the primary coil of a transformer 10 is connected between the connecting point of the transistors 4, 5 and the connecting point of the capacitors 2, 3. Diodes 16, 17 are respectively connected in series and in forward direction at the collector sides of the two transistors 4, 5. According to this configuration, when one of a pair of transistors 4, 5 which perform alternately switching operation is switched to OFF due to power loss, the power loss produced at the other transistor can be eliminated.
JP56067838A 1981-05-06 1981-05-06 Switching power source circuit Pending JPS57183275A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56067838A JPS57183275A (en) 1981-05-06 1981-05-06 Switching power source circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56067838A JPS57183275A (en) 1981-05-06 1981-05-06 Switching power source circuit

Publications (1)

Publication Number Publication Date
JPS57183275A true JPS57183275A (en) 1982-11-11

Family

ID=13356484

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56067838A Pending JPS57183275A (en) 1981-05-06 1981-05-06 Switching power source circuit

Country Status (1)

Country Link
JP (1) JPS57183275A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6465923A (en) * 1987-09-04 1989-03-13 Mitsubishi Electric Corp Driving circuit for switching element

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5016418B1 (en) * 1970-04-30 1975-06-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5016418B1 (en) * 1970-04-30 1975-06-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6465923A (en) * 1987-09-04 1989-03-13 Mitsubishi Electric Corp Driving circuit for switching element

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