JPS54127262A - Darlington circuit device - Google Patents

Darlington circuit device

Info

Publication number
JPS54127262A
JPS54127262A JP3476578A JP3476578A JPS54127262A JP S54127262 A JPS54127262 A JP S54127262A JP 3476578 A JP3476578 A JP 3476578A JP 3476578 A JP3476578 A JP 3476578A JP S54127262 A JPS54127262 A JP S54127262A
Authority
JP
Japan
Prior art keywords
circuit device
transistor
base
darlington circuit
stage transistor
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
JP3476578A
Other languages
Japanese (ja)
Inventor
Shoichi Furuhata
Shinichi Ito
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP3476578A priority Critical patent/JPS54127262A/en
Publication of JPS54127262A publication Critical patent/JPS54127262A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To improve switching characteristics by connecting a Schottky barrier diode in reverse parallel between the base and emitter of a drive-stage transistor.
CONSTITUTION: Drive-stage transistor Tr1 and output-stage transistor Tr2 are Darlington-connected and between the base and emitter of transistor Tr1 (i.e. to the base of transistor Tr2), Schottky barrier diode SBD is connected in reverse parallel.
COPYRIGHT: (C)1979,JPO&Japio
JP3476578A 1978-03-25 1978-03-25 Darlington circuit device Pending JPS54127262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3476578A JPS54127262A (en) 1978-03-25 1978-03-25 Darlington circuit device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3476578A JPS54127262A (en) 1978-03-25 1978-03-25 Darlington circuit device

Publications (1)

Publication Number Publication Date
JPS54127262A true JPS54127262A (en) 1979-10-03

Family

ID=12423393

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3476578A Pending JPS54127262A (en) 1978-03-25 1978-03-25 Darlington circuit device

Country Status (1)

Country Link
JP (1) JPS54127262A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542399A (en) * 1983-02-22 1985-09-17 National Semiconductor Corporation Feed forward Darlington circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4542399A (en) * 1983-02-22 1985-09-17 National Semiconductor Corporation Feed forward Darlington circuit

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