JPS5745723A - Transistor base driving circuit - Google Patents

Transistor base driving circuit

Info

Publication number
JPS5745723A
JPS5745723A JP55122144A JP12214480A JPS5745723A JP S5745723 A JPS5745723 A JP S5745723A JP 55122144 A JP55122144 A JP 55122144A JP 12214480 A JP12214480 A JP 12214480A JP S5745723 A JPS5745723 A JP S5745723A
Authority
JP
Japan
Prior art keywords
base
current
transformer
time
differentiation
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
JP55122144A
Other languages
Japanese (ja)
Inventor
Mikio Maeda
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP55122144A priority Critical patent/JPS5745723A/en
Publication of JPS5745723A publication Critical patent/JPS5745723A/en
Pending legal-status Critical Current

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  • Electronic Switches (AREA)

Abstract

PURPOSE:To improve the leading and trailing time, to reduce the storage time and to improve the switching loss remarkably, by supplying a trigger current to the base of a switching transistor (STR) via a differentiation transformer. CONSTITUTION:When a TR5 turns on, a voltage induced in the secondary winding N22 of a differentiation transformer T2 is a differentiated waveform, and a base current having a steep rising time flows to the base of a STR 8 to be immediately turned on, and this on-state is continued. Since the base current given with a current transformer T3 is proportional to the collector current, the excessive carrier of the base area can be suppressed to a smaller value and the storage time can be reduced. Next, when the TR5 turns off, a voltage of reverse differential waveform is induced in the secondary winding n22 of the differentiation transformer T2, excessive carrier of the base region of the TR8 is rapidly excluded and it is turned off with a time faster in trailing.
JP55122144A 1980-09-02 1980-09-02 Transistor base driving circuit Pending JPS5745723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55122144A JPS5745723A (en) 1980-09-02 1980-09-02 Transistor base driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55122144A JPS5745723A (en) 1980-09-02 1980-09-02 Transistor base driving circuit

Publications (1)

Publication Number Publication Date
JPS5745723A true JPS5745723A (en) 1982-03-15

Family

ID=14828694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55122144A Pending JPS5745723A (en) 1980-09-02 1980-09-02 Transistor base driving circuit

Country Status (1)

Country Link
JP (1) JPS5745723A (en)

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