JPS56156024A - Control circuit for semiconductor switch element - Google Patents

Control circuit for semiconductor switch element

Info

Publication number
JPS56156024A
JPS56156024A JP5785780A JP5785780A JPS56156024A JP S56156024 A JPS56156024 A JP S56156024A JP 5785780 A JP5785780 A JP 5785780A JP 5785780 A JP5785780 A JP 5785780A JP S56156024 A JPS56156024 A JP S56156024A
Authority
JP
Japan
Prior art keywords
circuit
semiconductor switch
switch element
output
pair
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
JP5785780A
Other languages
Japanese (ja)
Inventor
Masayoshi Suzuki
Akio Sagawa
Naoyuki Izaki
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5785780A priority Critical patent/JPS56156024A/en
Publication of JPS56156024A publication Critical patent/JPS56156024A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
    • H03K17/725—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for ac voltages or currents

Landscapes

  • Thyristor Switches And Gates (AREA)

Abstract

PURPOSE:To eliminate a malfunction and ensure a high stability for a control circuit for a semiconductor switch element, by making the semiconductor switch element conduct when the output of a logic element circuit is at a high level. CONSTITUTION:The output terminal of a logic element circuit 20 is connected to one of a pair of control terminals 13 and 14 of a driving circuit 21; and one of a pair of power supply terminals of the circuit 20 is connected to the other control terminal of the circuit 21. A power source 18 is connected between a pair of power supply terminals of the circuit 20. Thus a malfunction can be avoided since the circuit 21 of a semiconductor switch element 1 is turned off when the output of the circuit 20 is at a low level. And no problem arises at all when the output of the circuit 20 is at a high level since the circuit 21 of the element 1 can be turned on enough although a fluctuation caused by the load is large in comaprison with a low level of the output of the circuit 20.
JP5785780A 1980-05-02 1980-05-02 Control circuit for semiconductor switch element Pending JPS56156024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5785780A JPS56156024A (en) 1980-05-02 1980-05-02 Control circuit for semiconductor switch element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5785780A JPS56156024A (en) 1980-05-02 1980-05-02 Control circuit for semiconductor switch element

Publications (1)

Publication Number Publication Date
JPS56156024A true JPS56156024A (en) 1981-12-02

Family

ID=13067654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5785780A Pending JPS56156024A (en) 1980-05-02 1980-05-02 Control circuit for semiconductor switch element

Country Status (1)

Country Link
JP (1) JPS56156024A (en)

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