JPS58167915U - Switch device for power supply circuit - Google Patents
Switch device for power supply circuitInfo
- Publication number
- JPS58167915U JPS58167915U JP6334182U JP6334182U JPS58167915U JP S58167915 U JPS58167915 U JP S58167915U JP 6334182 U JP6334182 U JP 6334182U JP 6334182 U JP6334182 U JP 6334182U JP S58167915 U JPS58167915 U JP S58167915U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- emitter
- bias
- current
- power supply
- 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
Links
Landscapes
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図はこの考案の一実施例を示す回路図である。
Ｑ１〜Ｑ７・・・トランジスタ、Ｒ□〜Ｒ□１・・・抵
抗、Ｄ□。
Ｄ２． Ｄ、・・・ダイオード、Ｄ３・・・ツェナーダ
イオード。The figure is a circuit diagram showing an embodiment of this invention. Q1 to Q7...Transistor, R□ to R□1...Resistor, D□. D2. D...Diode, D3...Zener diode.
Claims (1)
タに加えられる電流制限トランジスタと、この電流制限
トランジスタのエミッタにエミッタが接続されコレクタ
より出力電源を得不第１のトランジスタと、この第１の
トランジスタのべ一艮と接地間にコレフレ・エミッタ電
流路が接続された第２のトランジスタと、この第２のト
ランジスタのベースに前記整流出力を用いて発生させた
バイアスを加えるバイアス回路と、このバイアス回路と
接地間にコレクタ・エミッタ電流路が接続され、バイア
スのオンオフ制御できる第３のトランジスタと、前記電
流制限トランジスタのエミッタ電位の異常を検出し前記
第３のトランジスタにバイアスを加えるツェナーダイオ
ードを含む検出回路とを具備したことを特徴とする電源
回路用スイッチ装置。a current limiting transistor whose output is rectified commercial alternating current power is applied to the collector via a fuse; a first transistor whose emitter is connected to the emitter of the current limiting transistor and which receives the output power from the collector; a second transistor in which a core-free emitter current path is connected between the base plate and ground; a bias circuit that applies a bias generated using the rectified output to the base of the second transistor; and this bias circuit. a third transistor having a collector-emitter current path connected between the current limiter and ground and capable of controlling on/off of bias; and a Zener diode that detects an abnormality in the emitter potential of the current limiting transistor and applies a bias to the third transistor. A switch device for a power supply circuit, characterized by comprising a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6334182U JPS58167915U (en) | 1982-04-30 | 1982-04-30 | Switch device for power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6334182U JPS58167915U (en) | 1982-04-30 | 1982-04-30 | Switch device for power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58167915U true JPS58167915U (en) | 1983-11-09 |
Family
ID=30073446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6334182U Pending JPS58167915U (en) | 1982-04-30 | 1982-04-30 | Switch device for power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58167915U (en) |
-
1982
- 1982-04-30 JP JP6334182U patent/JPS58167915U/en active Pending
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