JPS6034616U - power circuit - Google Patents
power circuitInfo
- Publication number
- JPS6034616U JPS6034616U JP12716183U JP12716183U JPS6034616U JP S6034616 U JPS6034616 U JP S6034616U JP 12716183 U JP12716183 U JP 12716183U JP 12716183 U JP12716183 U JP 12716183U JP S6034616 U JPS6034616 U JP S6034616U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- transistor
- supply voltage
- input terminal
- signal input
- 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
- Power Sources (AREA)
- 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図は本考案の一実施例を示すブロック図である。
１・・・・・・外部制御信号入力トランジスタ、２・・
・・・・マイクロ・コンピュータの出力する制御信号入
力トランジスタ、３・・・・・・電源制御トランジスタ
、４・・・・・・電圧制限タイオード、５・・・・・・
電気的処理回路。FIG. 1 is a block diagram showing one embodiment of the present invention. 1... External control signal input transistor, 2...
... Control signal input transistor outputted by the microcomputer, 3 ... Power supply control transistor, 4 ... Voltage limiting diode, 5 ...
Electrical processing circuit.
Claims (1)
電圧入力端子間にコレクタ・エミッタ間通路が接続され
第１のトランジスタと、該第１のトランジスタのベース
にコレクタが接続された第２および第３のトランジスタ
と、該第２のトラジスタのベースに接続された起動信号
入力端子と、前記第４のトランジスタのベースに接続さ
れた電力供給維持信号入力端子とを含み、前記起動信号
入力端子に加えられる起動信号で前記第１のトランジス
タが導通して前記電源電圧出力端子に電源電圧を出力す
るとともに、該電源電圧の出力により動作する前記電源
電圧出力端子に接続される電気的処理回路から前記電力
供給維持信号入力端子に電力供給維持信号を出力して前
記第１のトランジスタの導通状態を維持し、しかる後前
記電力供給維持信号入力端子への電力供給維持信号の供
給がなくなることによって、前記第１のトランジスタが
非導通状態になることを特徴とする電源回路。A power supply voltage input terminal, a power supply voltage output terminal, a first transistor having a collector-emitter path connected between these power supply voltage input terminals, and a second transistor having a collector connected to the base of the first transistor. 3 transistor, an activation signal input terminal connected to the base of the second transistor, and a power supply maintenance signal input terminal connected to the base of the fourth transistor, in addition to the activation signal input terminal. The first transistor becomes conductive in response to the activation signal, outputting the power supply voltage to the power supply voltage output terminal, and at the same time outputting the power from the electrical processing circuit connected to the power supply voltage output terminal operated by the output of the power supply voltage. A power supply maintenance signal is output to the supply maintenance signal input terminal to maintain the conduction state of the first transistor, and then the supply of the power supply maintenance signal to the power supply maintenance signal input terminal is stopped. A power supply circuit characterized in that a first transistor is in a non-conducting state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12716183U JPS6034616U (en) | 1983-08-17 | 1983-08-17 | power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12716183U JPS6034616U (en) | 1983-08-17 | 1983-08-17 | power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6034616U true JPS6034616U (en) | 1985-03-09 |
Family
ID=30288907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12716183U Pending JPS6034616U (en) | 1983-08-17 | 1983-08-17 | power circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6034616U (en) |
-
1983
- 1983-08-17 JP JP12716183U patent/JPS6034616U/en active Pending
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