JPS547557A - Constant current circuit - Google Patents

Constant current circuit

Info

Publication number
JPS547557A
JPS547557A JP7359277A JP7359277A JPS547557A JP S547557 A JPS547557 A JP S547557A JP 7359277 A JP7359277 A JP 7359277A JP 7359277 A JP7359277 A JP 7359277A JP S547557 A JPS547557 A JP S547557A
Authority
JP
Japan
Prior art keywords
constant current
current circuit
transistor
source voltage
detection
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.)
Granted
Application number
JP7359277A
Other languages
Japanese (ja)
Other versions
JPS5922969B2 (en
Inventor
Hiroshi Mizuguchi
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 JP7359277A priority Critical patent/JPS5922969B2/en
Publication of JPS547557A publication Critical patent/JPS547557A/en
Publication of JPS5922969B2 publication Critical patent/JPS5922969B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Continuous-Control Power Sources That Use Transistors (AREA)

Abstract

PURPOSE: To reduce voltage loss due to source voltage drop by connecting output electride of control transistor to one end of detection resistor connected to input electrode of detection transistor and saturating the transistor when source voltage drops.
COPYRIGHT: (C)1979,JPO&Japio
JP7359277A 1977-06-20 1977-06-20 constant current circuit Expired JPS5922969B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7359277A JPS5922969B2 (en) 1977-06-20 1977-06-20 constant current circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7359277A JPS5922969B2 (en) 1977-06-20 1977-06-20 constant current circuit

Publications (2)

Publication Number Publication Date
JPS547557A true JPS547557A (en) 1979-01-20
JPS5922969B2 JPS5922969B2 (en) 1984-05-30

Family

ID=13522734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7359277A Expired JPS5922969B2 (en) 1977-06-20 1977-06-20 constant current circuit

Country Status (1)

Country Link
JP (1) JPS5922969B2 (en)

Also Published As

Publication number Publication date
JPS5922969B2 (en) 1984-05-30

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