JPS58103545U - hold down circuit - Google Patents

hold down circuit

Info

Publication number
JPS58103545U
JPS58103545U JP85382U JP85382U JPS58103545U JP S58103545 U JPS58103545 U JP S58103545U JP 85382 U JP85382 U JP 85382U JP 85382 U JP85382 U JP 85382U JP S58103545 U JPS58103545 U JP S58103545U
Authority
JP
Japan
Prior art keywords
circuit
power supply
supply voltage
down circuit
hold down
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
JP85382U
Other languages
Japanese (ja)
Other versions
JPH0214290Y2 (en
Inventor
徹 笹部
西井　洋
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 JP85382U priority Critical patent/JPS58103545U/en
Publication of JPS58103545U publication Critical patent/JPS58103545U/en
Application granted granted Critical
Publication of JPH0214290Y2 publication Critical patent/JPH0214290Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Details Of Television Scanning (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Power Conversion In General (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) [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図は従来のホールドダウン回路の一例を示す回路図
であり、第２図は本考案によるホールドダウン回路の一
実施例を示す回路図である。 １：電源入力端子、２ニトロツバ抵抗、４：平滑コンデ
ンサ、１１．１２ニスイツチングトランジスタ、１６：
スイッチングダイオード。FIG. 1 is a circuit diagram showing an example of a conventional hold-down circuit, and FIG. 2 is a circuit diagram showing an embodiment of a hold-down circuit according to the present invention. 1: Power input terminal, 2 Nitrotsuba resistor, 4: Smoothing capacitor, 11.12 Niswitching transistor, 16:
switching diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源電圧の上昇を検出して動作するスイッチング回路を
設け、このスイッチング回路によりドロッパ抵抗を介し
て負荷回路に供給される上記電源電圧を遮断するように
した回路に於いて、前記負該回路の入力端と前記電源電
圧の検出点との間にスイッチングダイオードを接続し、
前記入力端の電圧上昇時に前記スイッチング回路を動作
させることを特徴とするホールドダウン回路。In a circuit that is provided with a switching circuit that operates by detecting a rise in power supply voltage, and that cuts off the power supply voltage supplied to the load circuit via a dropper resistor, the negative input of the circuit is A switching diode is connected between the end and the detection point of the power supply voltage,
A hold-down circuit characterized in that the switching circuit is operated when the voltage at the input terminal increases.
JP85382U 1982-01-06 1982-01-06 hold down circuit Granted JPS58103545U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP85382U JPS58103545U (en) 1982-01-06 1982-01-06 hold down circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP85382U JPS58103545U (en) 1982-01-06 1982-01-06 hold down circuit

Publications (2)

Publication Number Publication Date
JPS58103545U true JPS58103545U (en) 1983-07-14
JPH0214290Y2 JPH0214290Y2 (en) 1990-04-18

Family

ID=30013906

Family Applications (1)

Application Number Title Priority Date Filing Date
JP85382U Granted JPS58103545U (en) 1982-01-06 1982-01-06 hold down circuit

Country Status (1)

Country Link
JP (1) JPS58103545U (en)

Also Published As

Publication number Publication date
JPH0214290Y2 (en) 1990-04-18

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