JPS6137632U - switching output circuit - Google Patents
switching output circuitInfo
- Publication number
- JPS6137632U JPS6137632U JP12318984U JP12318984U JPS6137632U JP S6137632 U JPS6137632 U JP S6137632U JP 12318984 U JP12318984 U JP 12318984U JP 12318984 U JP12318984 U JP 12318984U JP S6137632 U JPS6137632 U JP S6137632U
- Authority
- JP
- Japan
- Prior art keywords
- current
- output
- transistor
- circuit
- drive
- 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
- Electronic Switches (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例のスイッチング出力回路の構
成を示す回路図、第２図は本考案のス，イツチング出力
回路におけるドライブ電流と負荷電流との特性曲線を示
す特性図、第３図は従来装置のスイツヂング出力回路を
示す回路図である。
Ｑ１ｔ Ｑ２，Ｑ３，Ｑ４ Ｑ５− Ｑ６，Ｑ７ ：
トランジスタ、Ｒｏ，Ｒ、， Ｒ３， Ｒ５， Ｒ６：
抵抗、Ｖ＋，：入力端子、Ｖｏｕｔ ：出力端子、■ｃ
ｏ：電源。FIG. 1 is a circuit diagram showing the configuration of a switching output circuit according to an embodiment of the present invention, FIG. 2 is a characteristic diagram showing the characteristic curve of drive current and load current in the switching output circuit of the present invention, and FIG. The figure is a circuit diagram showing a switching output circuit of a conventional device. Q1t Q2, Q3, Q4 Q5- Q6, Q7:
Transistor, Ro, R,, R3, R5, R6:
Resistance, V+,: Input terminal, Vout: Output terminal, ■c
o: Power supply.
Claims (2)
ブトランジスタと前記ドライブ電流によって負荷電流を
流す出力トランジスタからなるスイッチング出力回路に
おいて、前記出力トランジスタのベース電位に比例した
電流を発生する第１のカレントミラー回路と、前記ドラ
イブ電流に比例した電流を発生する第２のカレントミラ
ー回路と、前記第１のカレイトミラー回路の出力電流と
前記第２めカレントミラー回路の出力電流との差に比例
した出力電流を発生し、この出力電流を前記ドライブト
ランジスタの入力に帰還させるトランジスタ回路か≦成
り、負細電流の大小に応じてドライブ電流を変化させる
ことを特徴とするスイッチング出力回路。(1) In a switching output circuit consisting of a drive transistor that outputs a drive current according to an input signal and an output transistor that causes a load current to flow using the drive current, a first current that generates a current proportional to the base potential of the output transistor a mirror circuit, a second current mirror circuit that generates a current proportional to the drive current, and a current that is proportional to the difference between the output current of the first current mirror circuit and the output current of the second current mirror circuit. A switching output circuit comprising a transistor circuit that generates an output current and returns the output current to the input of the drive transistor, and changes the drive current depending on the magnitude of the negative current.
において、出力トランジスタのエミッタにはこの出力ト
ランジスタのベース電位変化を負荷電流に比例させるよ
うにした抵抗が接続されていることを特徴とするスイッ
チング出力回路。(2) Utility Model Registration The output circuit described in claim 1 is characterized in that a resistor is connected to the emitter of the output transistor to make the change in base potential of the output transistor proportional to the load current. switching output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12318984U JPS6137632U (en) | 1984-08-11 | 1984-08-11 | switching output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12318984U JPS6137632U (en) | 1984-08-11 | 1984-08-11 | switching output circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6137632U true JPS6137632U (en) | 1986-03-08 |
Family
ID=30681939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12318984U Pending JPS6137632U (en) | 1984-08-11 | 1984-08-11 | switching output circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6137632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58174423U (en) * | 1982-05-14 | 1983-11-21 | 積水化成品工業株式会社 | packaging container |
-
1984
- 1984-08-11 JP JP12318984U patent/JPS6137632U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58174423U (en) * | 1982-05-14 | 1983-11-21 | 積水化成品工業株式会社 | packaging container |
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