JPS6112122U - power protection circuit - Google Patents
power protection circuitInfo
- Publication number
- JPS6112122U JPS6112122U JP9370284U JP9370284U JPS6112122U JP S6112122 U JPS6112122 U JP S6112122U JP 9370284 U JP9370284 U JP 9370284U JP 9370284 U JP9370284 U JP 9370284U JP S6112122 U JPS6112122 U JP S6112122U
- Authority
- JP
- Japan
- Prior art keywords
- base
- protection circuit
- emitter
- power supply
- power protection
- 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
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図は、従来の電源保護回路を示す、第２図は、この
考案の一実施例による電源保護回路を示す、第３客は、
この考案の特性を示す。
２１・・・制御用トランジスタ、２２， ２３，
２４・・・抵抗、２５・・・ツエナーダイオード、２６
・・・コンデンサ、２７・・・ダイオード、２８・・・
検出用トランジスタ、２９．３０・・・抵抗。FIG. 1 shows a conventional power protection circuit; FIG. 2 shows a power protection circuit according to an embodiment of the present invention;
The characteristics of this invention are shown below. 21...control transistor, 22, 23,
24... Resistor, 25... Zener diode, 26
...Capacitor, 27...Diode, 28...
Detection transistor, 29.30...Resistance.
Claims (1)
スを基準電圧に接続した制御用トランジスタを備えた定
電圧電源回路において、上記制御用トランジスタのベー
ス・エミツタ間にそれぞれコレクタ・エミツタを接続し
、かつベースを上記基準電圧・エミツタ間に挿入された
分圧抵抗にて接続された検出用トランジスタが設けられ
たことを特徴とする電源保護回路。In a constant voltage power supply circuit comprising a control transistor whose collector and base are connected to a power supply source and whose base is connected to a reference voltage, the collector and emitter are respectively connected between the base and emitter of the control transistor, and the base is connected to a reference voltage. A power supply protection circuit comprising: a detection transistor connected by a voltage dividing resistor inserted between the reference voltage and the emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9370284U JPS6112122U (en) | 1984-06-25 | 1984-06-25 | power protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9370284U JPS6112122U (en) | 1984-06-25 | 1984-06-25 | power protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6112122U true JPS6112122U (en) | 1986-01-24 |
Family
ID=30651616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9370284U Pending JPS6112122U (en) | 1984-06-25 | 1984-06-25 | power protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6112122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0420485U (en) * | 1990-06-08 | 1992-02-20 |
-
1984
- 1984-06-25 JP JP9370284U patent/JPS6112122U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0420485U (en) * | 1990-06-08 | 1992-02-20 |
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