JPS6178313U - - Google Patents
Info
- Publication number
- JPS6178313U JPS6178313U JP16221384U JP16221384U JPS6178313U JP S6178313 U JPS6178313 U JP S6178313U JP 16221384 U JP16221384 U JP 16221384U JP 16221384 U JP16221384 U JP 16221384U JP S6178313 U JPS6178313 U JP S6178313U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- transistor
- unregulated
- stabilized
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は本考案による電源装置保護回路の一実
施例を示す回路図、第２図は従来の直流安定化電
源装置を示す回路図である。
５…第１のトランジスタ（制御用トランジスタ
）、１６…抵抗、１７…コンデンサ、１８…検出
用トランジスタ、２２…第３のトランジスタ（ス
イツチ素子）。
FIG. 1 is a circuit diagram showing an embodiment of a power supply device protection circuit according to the present invention, and FIG. 2 is a circuit diagram showing a conventional DC stabilized power supply device. 5... First transistor (control transistor), 16... Resistor, 17... Capacitor, 18... Detection transistor, 22... Third transistor (switch element).
Claims (1)
スタの内部インピーダンスを制御して、供給され
た非安定化直流電圧から安定化直流電圧を得る直
列制御形の直流安定化電源装置において、前記非
安定化直流電圧と安定化直流電圧との電位差を検
出する検出用トランジスタと、該検出用トランジ
スタの出力信号に基づいて前記制御用トランジス
タをオフさせるスイツチ素子と、前記非安定化直
流電圧の印加時に前記検出用トランジスタのバイ
アス電圧の立上りを遅らせる遅延回路とを有する
ことを特徴とする電源装置保護回路。 In a series control type DC stabilized power supply device that obtains a stabilized DC voltage from a supplied unregulated DC voltage by controlling the internal impedance of a control transistor connected in series with a load, the unregulated a detection transistor that detects a potential difference between a DC voltage and a stabilized DC voltage; a switch element that turns off the control transistor based on an output signal of the detection transistor; and a switch element that turns off the control transistor when the unregulated DC voltage is applied. 1. A power supply protection circuit comprising: a delay circuit that delays the rise of a bias voltage of a power transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16221384U JPS6178313U (en) | 1984-10-29 | 1984-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16221384U JPS6178313U (en) | 1984-10-29 | 1984-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6178313U true JPS6178313U (en) | 1986-05-26 |
Family
ID=30720097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16221384U Pending JPS6178313U (en) | 1984-10-29 | 1984-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6178313U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012108834A (en) * | 2010-11-19 | 2012-06-07 | Mitsumi Electric Co Ltd | Current limiting circuit and power supply circuit |
-
1984
- 1984-10-29 JP JP16221384U patent/JPS6178313U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012108834A (en) * | 2010-11-19 | 2012-06-07 | Mitsumi Electric Co Ltd | Current limiting circuit and power supply circuit |
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