JPS59160313U - power circuit - Google Patents
power circuitInfo
- Publication number
- JPS59160313U JPS59160313U JP5528583U JP5528583U JPS59160313U JP S59160313 U JPS59160313 U JP S59160313U JP 5528583 U JP5528583 U JP 5528583U JP 5528583 U JP5528583 U JP 5528583U JP S59160313 U JPS59160313 U JP S59160313U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- ground
- npn
- regulator
- base
- 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)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (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図は従来の電源回路の回路図、第２図は本考案の一
実施例の電源回路の回路図で−ある。
３・・・・・・入力端子、４・・・・・・シャント・レ
ギュレータ、５・・・・・・シリーズ拳レギュレータ。FIG. 1 is a circuit diagram of a conventional power supply circuit, and FIG. 2 is a circuit diagram of a power supply circuit according to an embodiment of the present invention. 3... Input terminal, 4... Shunt regulator, 5... Series fist regulator.
Claims (3)
ギュレータとシャント・レギュレータとを共通接続し、
上記シリーズ・レギュレータの出力を変動の少ない負荷
に接続し、上記シャント・レギュレータの出力を変動の
大きな負荷に接続して、上記入力端子に流入する電流を
ほぼ一定にしたことを特徴とする電源回路。(1) A series regulator and a shunt regulator that operate on a common reference voltage are commonly connected to the input terminal,
A power supply circuit characterized in that the output of the series regulator is connected to a load with little fluctuation, and the output of the shunt regulator is connected to a load with large fluctuation, so that the current flowing into the input terminal is kept almost constant. .
スタで構成すると共に該ＰＮＰトランジスタのベースと
アース間にツェナ・ダイオードを接続し、上記シリーズ
拳レギュレータをＮＰＮ ）ランジスタで構成すると共
に該ＮＰＮ ）ランジスタのベースとアース間に上記ツ
ェナ・ダイオード接続し、両レギュレータの出力電圧お
よび立ち上がりを一致させたことを特徴とする実用新案
登録請求の範囲第１項記載の電源回路。(2) The above-mentioned shunt regulator consists of an NPN) transistor, and a Zener diode is connected between the base of the PNP transistor and the ground, and the above-mentioned series regulator is composed of an NPN) transistor and the base of the NPN) transistor. 2. The power supply circuit according to claim 1, wherein the Zener diode is connected between the ground and the output voltages and rises of both regulators are matched.
スタで構成すると共に該ＰＮＰ ）ランジスタのベース
とアース間にツェナ・り管オードを接続し、上記シリー
ズ・レギュレータをＮＰＮ ）ランジスタで構成すると
共に該ＮＰＮ ）ランジスタのベースとアース間に上記
ツェナ・ダイオードおよび２個のダイオードを直列接続
し、両しギュ ゛レータの出力電圧および立ち上が
りを一致させたことを特徴とする実用新案登録請求の範
囲第１項記載の電源回路。(3) The shunt regulator is configured with a PNP transistor, and a Zener tube ode is connected between the base of the PNP transistor and the ground, and the series regulator is configured with an NPN transistor, and the NPN transistor is connected to the ground. A power supply according to claim 1 of the utility model registration claim, characterized in that the above-mentioned Zener diode and two diodes are connected in series between the base and the ground, and the output voltage and rise of both regulators are matched. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5528583U JPS59160313U (en) | 1983-04-13 | 1983-04-13 | power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5528583U JPS59160313U (en) | 1983-04-13 | 1983-04-13 | power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59160313U true JPS59160313U (en) | 1984-10-27 |
Family
ID=30185607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5528583U Pending JPS59160313U (en) | 1983-04-13 | 1983-04-13 | power circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59160313U (en) |
-
1983
- 1983-04-13 JP JP5528583U patent/JPS59160313U/en active Pending
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