JPS6237321U - - Google Patents
Info
- Publication number
- JPS6237321U JPS6237321U JP12600085U JP12600085U JPS6237321U JP S6237321 U JPS6237321 U JP S6237321U JP 12600085 U JP12600085 U JP 12600085U JP 12600085 U JP12600085 U JP 12600085U JP S6237321 U JPS6237321 U JP S6237321U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- voltage
- input
- supply 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.)
- Granted
Links
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案の実施例に係る電源回路の回路
図、第２図は従来の電源回路の回路図である。
１２……トランジスタ、１３……抵抗器、１４
……ツエナダイオード、Ｔｉ……入力端子、Ｔｏ
……出力端子。
FIG. 1 is a circuit diagram of a power supply circuit according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional power supply circuit. 12...Transistor, 13...Resistor, 14
...Zena diode, Ti...Input terminal, To
...Output terminal.
Claims (1)
回路により出力端子から前記直流電源電圧より低
い安定した直流電圧を出力する電源回路において
、前記入力端子の一方に接続されたコレクタおよ
び前記安定化回路の入力側に接続されたエミツタ
を有するトランジスタと、このトランジスタのベ
ースと前記コレクタとの間に接続された抵抗と、
前記ベースと前記入力端子の他方に接続されたツ
エナダイオードとを設けたことを特徴とする電源
回路。 ２ 実用新案登録請求の範囲第１項において、前
記ツエナダイオードは、そのツエナ電圧が入力電
圧と出力直流電圧のほぼ中間の電圧に選定されて
いることを特徴とする電源回路。[Claims for Utility Model Registration] 1. In a power supply circuit in which a DC power supply voltage is input to an input terminal and a stabilizing circuit outputs a stable DC voltage lower than the DC power supply voltage from an output terminal, the power supply circuit is connected to one of the input terminals. a transistor having a collector and an emitter connected to the input side of the stabilizing circuit; and a resistor connected between the base of the transistor and the collector;
A power supply circuit comprising: a Zener diode connected to the base and the other of the input terminals. 2 Utility Model Registration Claim 1: The power supply circuit according to claim 1, wherein the Zener diode has a Zener voltage that is approximately intermediate between the input voltage and the output DC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985126000U JPH0650015Y2 (en) | 1985-08-20 | 1985-08-20 | Power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985126000U JPH0650015Y2 (en) | 1985-08-20 | 1985-08-20 | Power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6237321U true JPS6237321U (en) | 1987-03-05 |
| JPH0650015Y2 JPH0650015Y2 (en) | 1994-12-14 |
Family
ID=31019395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985126000U Expired - Lifetime JPH0650015Y2 (en) | 1985-08-20 | 1985-08-20 | Power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0650015Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856587U (en) * | 1981-10-07 | 1983-04-16 | 株式会社日立製作所 | Automotive power supply circuit |
| JPS5885212U (en) * | 1981-12-03 | 1983-06-09 | ナイルス部品株式会社 | constant voltage device |
-
1985
- 1985-08-20 JP JP1985126000U patent/JPH0650015Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856587U (en) * | 1981-10-07 | 1983-04-16 | 株式会社日立製作所 | Automotive power supply circuit |
| JPS5885212U (en) * | 1981-12-03 | 1983-06-09 | ナイルス部品株式会社 | constant voltage device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0650015Y2 (en) | 1994-12-14 |