JPS59138913U - power circuit - Google Patents
power circuitInfo
- Publication number
- JPS59138913U JPS59138913U JP3079983U JP3079983U JPS59138913U JP S59138913 U JPS59138913 U JP S59138913U JP 3079983 U JP3079983 U JP 3079983U JP 3079983 U JP3079983 U JP 3079983U JP S59138913 U JPS59138913 U JP S59138913U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- load
- circuit
- power circuit
- control 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.)
- 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
第１図および第２図はそれぞれ従来の定電圧電源回路の
回路図、第３図はこの考案の電源回路の一実施例を示す
回路図である。
３１・・・電源トランス、３２・・・整流回路、３３゜
４３．４６・・・コンデンサ、３５，３７．４１・・・
トランジスタ、３４．３８〜４Ｇ、４２．４４・・・抵
抗、４５・・・ツェナーダイオード、Ａ・・・過電流検
出回路、Ｂ・・・スイッチング回路。1 and 2 are circuit diagrams of conventional constant voltage power supply circuits, respectively, and FIG. 3 is a circuit diagram showing an embodiment of the power supply circuit of this invention. 31... Power transformer, 32... Rectifier circuit, 33°43.46... Capacitor, 35,37.41...
Transistor, 34.38-4G, 42.44... Resistor, 45... Zener diode, A... Overcurrent detection circuit, B... Switching circuit.
Claims (1)
用のトランジスタを有する定電圧電源回路において、負
荷に流れる電流が所定以上にある、ことを検出する過電
流検出回路と、この過電流検出回路が作動すると上記制
御用のトランジスタをカットオフさせるスイッチング回
路よりなる電源回路。In a constant voltage power supply circuit that has a control transistor between the load and the DC power supply to keep the load voltage constant, there is an overcurrent detection circuit that detects that the current flowing through the load is higher than a predetermined value, and this overcurrent. A power supply circuit consisting of a switching circuit that cuts off the control transistor when the detection circuit is activated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3079983U JPS59138913U (en) | 1983-03-03 | 1983-03-03 | power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3079983U JPS59138913U (en) | 1983-03-03 | 1983-03-03 | power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59138913U true JPS59138913U (en) | 1984-09-17 |
Family
ID=30161672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3079983U Pending JPS59138913U (en) | 1983-03-03 | 1983-03-03 | power circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59138913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60153315U (en) * | 1984-03-16 | 1985-10-12 | シャープ株式会社 | Constant voltage power supply circuit with overcurrent protection function |
-
1983
- 1983-03-03 JP JP3079983U patent/JPS59138913U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60153315U (en) * | 1984-03-16 | 1985-10-12 | シャープ株式会社 | Constant voltage power supply circuit with overcurrent protection function |
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