JPS59126319U - DC stabilized power supply circuit - Google Patents
DC stabilized power supply circuitInfo
- Publication number
- JPS59126319U JPS59126319U JP1848883U JP1848883U JPS59126319U JP S59126319 U JPS59126319 U JP S59126319U JP 1848883 U JP1848883 U JP 1848883U JP 1848883 U JP1848883 U JP 1848883U JP S59126319 U JPS59126319 U JP S59126319U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- power supply
- base
- circuit
- 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.)
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図および第２図は直流安定化電源回路の従来例、第
３図はこの考案に係る直流安定化電源回路の実施例であ
る。
Ｑ・・・制御トランジスタ、Ｑ１＋ Ｑ２・・・トラン
ジスタ、Ｒ・・・始動用抵抗、Ｒｓ・・・過電流検出抵
抗。1 and 2 show a conventional example of a DC stabilized power supply circuit, and FIG. 3 shows an embodiment of the DC stabilized power supply circuit according to this invention. Q: Control transistor, Q1+ Q2: Transistor, R: Starting resistor, Rs: Overcurrent detection resistor.
Claims (1)
タを出力電源ラインを通じて出力端子に、ベースを始動
用抵抗を介して共通接地ラインにそれぞれ接続してなる
制御トランジスタを備え、また前記過電流検出抵抗の両
端には入力端子側にエミッタを他方にベースを接続して
なる過電流検出用トランジスタを設け、かつこのトラン
ジスタのコレクタを前記制御トランジスタのベースに接
続してなり、さらに前記出力電源ラインと共通接地ライ
ン間には、ツェナダイオードと抵抗との直列回路からな
る基準電圧回路および抵抗と可変抵抗との直列回路から
なる分圧回路を並列に介挿接続し、前記基準電圧回路に
エミッタを前記分圧回路にベースをそれぞれ接続した誤
票増幅用トランジスタを設け、かつこのトランジスタの
コレクタを前記制御トランジスタのベースに接続して構
成したことを特徴とする直流安定化電源回路。A control transistor has an emitter connected to an input terminal via an overcurrent detection resistor, a collector connected to an output terminal via an output power supply line, and a base connected to a common ground line via a starting resistor. An overcurrent detection transistor having an emitter connected to the input terminal side and a base connected to the other side is provided at both ends of the resistor, and the collector of this transistor is connected to the base of the control transistor, and further connected to the output power line. A reference voltage circuit consisting of a series circuit of a Zener diode and a resistor and a voltage dividing circuit consisting of a series circuit of a resistor and a variable resistor are inserted and connected in parallel between the common ground lines, and the emitter is connected to the reference voltage circuit. 1. A DC stabilized power supply circuit characterized in that a voltage dividing circuit is provided with transistors for amplifying false votes whose bases are connected to each other, and the collectors of these transistors are connected to the base of the control transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1848883U JPS59126319U (en) | 1983-02-09 | 1983-02-09 | DC stabilized power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1848883U JPS59126319U (en) | 1983-02-09 | 1983-02-09 | DC stabilized power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59126319U true JPS59126319U (en) | 1984-08-25 |
Family
ID=30149683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1848883U Pending JPS59126319U (en) | 1983-02-09 | 1983-02-09 | DC stabilized power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59126319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014142679A (en) * | 2013-01-22 | 2014-08-07 | Fujitsu Telecom Networks Ltd | Overcurrent protection circuit and charger including the same |
-
1983
- 1983-02-09 JP JP1848883U patent/JPS59126319U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014142679A (en) * | 2013-01-22 | 2014-08-07 | Fujitsu Telecom Networks Ltd | Overcurrent protection circuit and charger including the same |
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