JPS6087017U - Constant current circuit with voltage limit - Google Patents

Constant current circuit with voltage limit

Info

Publication number
JPS6087017U
JPS6087017U JP17663683U JP17663683U JPS6087017U JP S6087017 U JPS6087017 U JP S6087017U JP 17663683 U JP17663683 U JP 17663683U JP 17663683 U JP17663683 U JP 17663683U JP S6087017 U JPS6087017 U JP S6087017U
Authority
JP
Japan
Prior art keywords
shunt regulator
constant current
voltage limit
current circuit
anode
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
JP17663683U
Other languages
Japanese (ja)
Inventor
山平　豊
Original Assignee
沖電気工業株式会社
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 沖電気工業株式会社 filed Critical 沖電気工業株式会社
Priority to JP17663683U priority Critical patent/JPS6087017U/en
Publication of JPS6087017U publication Critical patent/JPS6087017U/en
Pending legal-status Critical Current

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の電圧リミット付き定電流回路の実施例、
第２図は本考案による実施例である。 １．１１・・・可動抵抗、２，９・・・ツエナーダイオ
−−ド、３，６，８．２２・・・トランジスタ、４゜５
、７．　１Ｇ、　　１２．２３．２６．２７・・・抵抗
、２１・・・定電流ダイオード、２４．２５・・・シャ
ントレギュレータ、Ｖｌ・・・入力電源端子、Ｖ。・・
・出力電源端子、ＧＮＤ・・・共通電位。Figure 1 shows an example of a conventional constant current circuit with voltage limit.
FIG. 2 shows an embodiment according to the present invention. 1.11...Movable resistor, 2,9...Zener diode, 3,6,8.22...Transistor, 4゜5
,7. 1G, 12.23.26.27... Resistor, 21... Constant current diode, 24.25... Shunt regulator, Vl... Input power supply terminal, V.・・・
・Output power supply terminal, GND...Common potential.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源入力端子と、該電源入力端子にコレクタが接続され
るトランジスタと、前記電源入力端子にアノードが接続
される定電流ダイオードと、その定電流ダイオードのカ
ソードを前記トランジスタのベースおよび第２のシャン
トレギュレータのカソードおよび第１のシャントレギュ
レータのカソードへ共通接続し第１のシャントレギュレ
ータのリファレンスを前記トランジスタのエミッタおよ
び電流極用抵抗の一端へ共通接続し前記第１のシャント
レギュレータのアノードを前記電流検出抵抗の他端およ
び電流出力端子へ共通接続し、その電流出力端子と共通
電位との抵抗分割を前記第２のシャントレギュレータの
リファレンス入力へ接続し、その第２のシャントレギュ
レータのアノードを前記共通電位へ接続したことを特徴
とする電圧リミット付定電流回路。a power input terminal, a transistor whose collector is connected to the power input terminal, a constant current diode whose anode is connected to the power input terminal, and a cathode of the constant current diode connected to the base of the transistor and a second shunt regulator. and the cathode of the first shunt regulator, the reference of the first shunt regulator is commonly connected to the emitter of the transistor and one end of the current pole resistor, and the anode of the first shunt regulator is connected to the current detection resistor. the other end and a current output terminal, a resistance division between the current output terminal and the common potential is connected to the reference input of the second shunt regulator, and the anode of the second shunt regulator is connected to the common potential. A constant current circuit with a voltage limit, characterized in that it is connected.
JP17663683U 1983-11-17 1983-11-17 Constant current circuit with voltage limit Pending JPS6087017U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17663683U JPS6087017U (en) 1983-11-17 1983-11-17 Constant current circuit with voltage limit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17663683U JPS6087017U (en) 1983-11-17 1983-11-17 Constant current circuit with voltage limit

Publications (1)

Publication Number Publication Date
JPS6087017U true JPS6087017U (en) 1985-06-15

Family

ID=30383978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17663683U Pending JPS6087017U (en) 1983-11-17 1983-11-17 Constant current circuit with voltage limit

Country Status (1)

Country Link
JP (1) JPS6087017U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08115135A (en) * 1994-10-18 1996-05-07 Nec Eng Ltd Overcurrent detecting circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08115135A (en) * 1994-10-18 1996-05-07 Nec Eng Ltd Overcurrent detecting circuit

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