JPS59104218U - Constant voltage power supply circuit with current limit - Google Patents
Constant voltage power supply circuit with current limitInfo
- Publication number
- JPS59104218U JPS59104218U JP20029082U JP20029082U JPS59104218U JP S59104218 U JPS59104218 U JP S59104218U JP 20029082 U JP20029082 U JP 20029082U JP 20029082 U JP20029082 U JP 20029082U JP S59104218 U JPS59104218 U JP S59104218U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- transistor
- series
- detection resistor
- 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
Landscapes
- 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
図は本考案による電流制限付定電圧電源回路の一実施例
を示す回路図である。
ｌａ、 ｌｂ・・・入力端子、２，１０・・・ツェナ
ーダイオード、３，５，８，９，１１，１２，１４゜１
６．２１．２２・・・抵抗、４． １８． １９・・・
トランジスタ、＄ａ、 ５ｂ・・・出力端子、７・・
・ダイオード、１２．１７・・・差動増幅回路、１５・
・・ショットキーダイオード。The figure is a circuit diagram showing an embodiment of a constant voltage power supply circuit with current limitation according to the present invention. la, lb...input terminal, 2, 10...zener diode, 3, 5, 8, 9, 11, 12, 14゜1
6.21.22...Resistance, 4. 18. 19...
Transistor, $a, 5b...output terminal, 7...
・Diode, 12.17... Differential amplifier circuit, 15.
...Schottky diode.
Claims (1)
のトランジスタの出力電圧と第１基準電、 圧との差に
応じて前記制御トランジスタのベースに直列に接続され
た第１トランジスタを制御することにより出力電圧を一
定化する電圧制御回路と、前記制御トランジスタの出力
側に直列接続された電流検出抵抗と、この電流検出抵抗
の両端電位を第２基準値と比較して前記第１トランジス
タに対して直列に接続された第２トランジスタを制御す
ることにより出力電流を規制する電流制御回路とを備え
、前記第２基準値として半導体のＰ−Ｎ接合部分に於け
る順方向電圧降下電圧を用いることにより電流検出抵抗
の値を小さくして電力損失を減少させた電流制限付定電
圧電源回路。a control transistor connected in series between the input and output terminals, and a first transistor connected in series to the base of the control transistor according to the difference between the output voltage of this transistor and a first reference voltage or voltage; a voltage control circuit that stabilizes the output voltage; a current detection resistor connected in series to the output side of the control transistor; and a voltage control circuit that compares the potential across the current detection resistor with a second reference value and compares the potential across the current detection resistor with respect to the first transistor. and a current control circuit that regulates the output current by controlling a second transistor connected in series, and by using a forward voltage drop voltage at a P-N junction portion of the semiconductor as the second reference value. Constant voltage power supply circuit with current limit that reduces power loss by reducing the value of the current detection resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20029082U JPS59104218U (en) | 1982-12-28 | 1982-12-28 | Constant voltage power supply circuit with current limit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20029082U JPS59104218U (en) | 1982-12-28 | 1982-12-28 | Constant voltage power supply circuit with current limit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59104218U true JPS59104218U (en) | 1984-07-13 |
Family
ID=30425824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20029082U Pending JPS59104218U (en) | 1982-12-28 | 1982-12-28 | Constant voltage power supply circuit with current limit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59104218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11766760B2 (en) | 2015-10-19 | 2023-09-26 | Cold Jet, Llc | Method of comminuting particles |
-
1982
- 1982-12-28 JP JP20029082U patent/JPS59104218U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11766760B2 (en) | 2015-10-19 | 2023-09-26 | Cold Jet, Llc | Method of comminuting particles |
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