JPS5917862U - Voltage drop detection circuit - Google Patents

Voltage drop detection circuit

Info

Publication number
JPS5917862U
JPS5917862U JP11230482U JP11230482U JPS5917862U JP S5917862 U JPS5917862 U JP S5917862U JP 11230482 U JP11230482 U JP 11230482U JP 11230482 U JP11230482 U JP 11230482U JP S5917862 U JPS5917862 U JP S5917862U
Authority
JP
Japan
Prior art keywords
power supply
detection circuit
voltage drop
drop detection
switching 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.)
Granted
Application number
JP11230482U
Other languages
Japanese (ja)
Other versions
JPH0311745Y2 (en
Inventor
小川　元章
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP11230482U priority Critical patent/JPS5917862U/en
Publication of JPS5917862U publication Critical patent/JPS5917862U/en
Application granted granted Critical
Publication of JPH0311745Y2 publication Critical patent/JPH0311745Y2/ja
Granted legal-status Critical Current

Links

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) [Summary] 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、本考案の一実施例を示す回路図、及び第２図
はその特性図である。 主な図番の説明、６・・・電圧低下検出回路、１１・・
・コンデンサ、１２・・・ツェナーダイオード、１５・
・・スイッチングトランジスタ。FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a characteristic diagram thereof. Explanation of main drawing numbers, 6... Voltage drop detection circuit, 11...
・Capacitor, 12...Zener diode, 15・
...Switching transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源ラインに発生する電源電圧によって充電されるコン
デンサと、一端が前記電源ラインに接続されたツェナー
ダイオードと、前記コンデンサと前記ツェナーダイオー
ドの他端との間に直列接続された第１及び第２抵抗と、
エミッタが前記コンデンサに、ベースが前記第１及び第
２抵抗の接続点に接続されたスイッチングトランジスタ
とから成り、電源電圧が所定値に低下したとき前記スイ
ッチングトランジスタをオンとし、該スイッチングトラ
ンジスタのコレクタに電圧を発生させる様にしたことを
特徴とする電圧低下検出回路。A capacitor charged by a power supply voltage generated in a power supply line, a Zener diode having one end connected to the power supply line, and first and second resistors connected in series between the capacitor and the other end of the Zener diode. and,
It consists of a switching transistor whose emitter is connected to the capacitor and whose base is connected to the connection point of the first and second resistors, and when the power supply voltage drops to a predetermined value, the switching transistor is turned on and the collector of the switching transistor is connected to the A voltage drop detection circuit characterized by generating a voltage.
JP11230482U 1982-07-23 1982-07-23 Voltage drop detection circuit Granted JPS5917862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11230482U JPS5917862U (en) 1982-07-23 1982-07-23 Voltage drop detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11230482U JPS5917862U (en) 1982-07-23 1982-07-23 Voltage drop detection circuit

Publications (2)

Publication Number Publication Date
JPS5917862U true JPS5917862U (en) 1984-02-03
JPH0311745Y2 JPH0311745Y2 (en) 1991-03-20

Family

ID=30260390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11230482U Granted JPS5917862U (en) 1982-07-23 1982-07-23 Voltage drop detection circuit

Country Status (1)

Country Link
JP (1) JPS5917862U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52171970U (en) * 1976-06-21 1977-12-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52171970U (en) * 1976-06-21 1977-12-27

Also Published As

Publication number Publication date
JPH0311745Y2 (en) 1991-03-20

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