JPS63198228U - - Google Patents
Info
- Publication number
- JPS63198228U JPS63198228U JP8802087U JP8802087U JPS63198228U JP S63198228 U JPS63198228 U JP S63198228U JP 8802087 U JP8802087 U JP 8802087U JP 8802087 U JP8802087 U JP 8802087U JP S63198228 U JPS63198228 U JP S63198228U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- output
- control transistor
- base
- output 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案に係る出力回路の概念図を示す
ブロツク図、第２図は同上の具体的な回路図、第
３図は同上の回路におけるタイミングチヤート図
、第４図は従来の一例を示す回路図、第５図は同
上の回路におけるタイミングチヤート図である。
１……過電流検出回路、３……電流源、Ｌ……
負荷、Ｑ１は出力トランジスタ、Ｑ２〜Ｑ６……
トランジスタ、Ｒ１〜Ｒ３……抵抗、Ｃ……コン
デンサ。
Fig. 1 is a block diagram showing a conceptual diagram of an output circuit according to the present invention, Fig. 2 is a specific circuit diagram of the same, Fig. 3 is a timing chart of the same circuit, and Fig. 4 is a conventional example. The circuit diagram shown in FIG. 5 is a timing chart in the same circuit. 1...Overcurrent detection circuit, 3...Current source, L...
Load, Q1 is output transistor, Q2 to Q6 ...
Transistor, R1 to R3 ...Resistor, C...Capacitor.
Claims (1)
ランジスタに流れる出力電流を検出する過電流検
出回路と、前記出力トランジスタを制御する制御
用トランジスタと、該制御用トランジスタのベー
ス・コレクタ間に接続されたコンデンサと、前記
制御用トランジスタのベースに接続された電流源
とを備えたことを特徴とする出力回路。 An output transistor that drives a load, an overcurrent detection circuit that detects an output current flowing through the output transistor, a control transistor that controls the output transistor, and a capacitor connected between the base and collector of the control transistor. , and a current source connected to the base of the control transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8802087U JPH0445300Y2 (en) | 1987-06-09 | 1987-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8802087U JPH0445300Y2 (en) | 1987-06-09 | 1987-06-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63198228U true JPS63198228U (en) | 1988-12-20 |
| JPH0445300Y2 JPH0445300Y2 (en) | 1992-10-26 |
Family
ID=30945762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8802087U Expired JPH0445300Y2 (en) | 1987-06-09 | 1987-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445300Y2 (en) |
-
1987
- 1987-06-09 JP JP8802087U patent/JPH0445300Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0445300Y2 (en) | 1992-10-26 |