JPS5992913U - Constant voltage power supply circuit - Google Patents
Constant voltage power supply circuitInfo
- Publication number
- JPS5992913U JPS5992913U JP19019882U JP19019882U JPS5992913U JP S5992913 U JPS5992913 U JP S5992913U JP 19019882 U JP19019882 U JP 19019882U JP 19019882 U JP19019882 U JP 19019882U JP S5992913 U JPS5992913 U JP S5992913U
- Authority
- JP
- Japan
- Prior art keywords
- constant voltage
- supply circuit
- power supply
- determining means
- constant
- 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
第１図は、従来の定電圧電源回路を示す回路図である。
第２図は、この考案の一実施例を示す回路図である。
図において、５．６はトランジスタ、７はツェナーダイ
オード、８はダイオード、１３はトランジスタ、１９は
直流電源回路、２０は定電流回路、２１は定電圧回路、
２３はスイッチ回路である。FIG. 1 is a circuit diagram showing a conventional constant voltage power supply circuit. FIG. 2 is a circuit diagram showing an embodiment of this invention. In the figure, 5.6 is a transistor, 7 is a Zener diode, 8 is a diode, 13 is a transistor, 19 is a DC power supply circuit, 20 is a constant current circuit, 21 is a constant voltage circuit,
23 is a switch circuit.
Claims (5)
源回路の出力部に接続されていて、前記直流電力の電圧
を一定に制御する定電圧制御用トランジスタと、 前記定電圧制御用トランジスタの制御極に接続されてい
て、前記定電圧制御用トランジスタからの出力電圧を決
定する定電圧決定手段と、前記定電圧決定手段に接続さ
れていて、前記定電圧決定手段に流れる電流を一定に制
御する定電流源用トランジスタと、 前記定電流源用トランジスタの制御極に接続されていて
、その定電流源用トランジスタのオンオフを制御するス
イッチ用トランジスタとを備える、定電圧電源回路。(1) a DC power supply circuit that supplies DC power; a constant voltage control transistor that is connected to the output section of the DC power supply circuit and that controls the voltage of the DC power to a constant level; constant voltage determining means connected to the control pole and determining the output voltage from the constant voltage control transistor; and constant voltage determining means connected to the constant voltage determining means to control a current flowing through the constant voltage determining means to a constant value. A constant voltage power supply circuit comprising: a constant current source transistor; and a switching transistor connected to a control pole of the constant current source transistor to control on/off of the constant current source transistor.
える、実用新案登録請求の範囲第１項記載の定電圧電源
回路。(2) The constant voltage power supply circuit according to claim 1, wherein the constant voltage determining means includes a Zener diode.
のダイオードとを備える、実用新案登録請求の範囲第１
楢記載の定電圧電源回路。(3) The constant voltage determining means includes a Zener diode and a temperature compensation diode connected in series to the Zener diode, Utility Model Registration Claim 1
Constant voltage power supply circuit described by Nara.
用新案登録請求の範囲第１項記載の定電圧電源回路。(4) The constant voltage power supply circuit according to claim 1, wherein the constant voltage determining means includes a resistor.
して直流電力を供給する整流器と、前記整流器の出力部
に接続された平滑用のコンデンサとを備える、実用新案
登録請求の範囲第１項ないし第４項のいずれかに記載の
定電圧電源回路。(5) The DC power supply circuit includes a power transformer that supplies AC power, a rectifier connected to the power transformer that rectifies the AC power and supplies DC power, and an output section of the rectifier. A constant voltage power supply circuit according to any one of claims 1 to 4, which is provided with a connected smoothing capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19019882U JPS5992913U (en) | 1982-12-14 | 1982-12-14 | Constant voltage power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19019882U JPS5992913U (en) | 1982-12-14 | 1982-12-14 | Constant voltage power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5992913U true JPS5992913U (en) | 1984-06-23 |
Family
ID=30409875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19019882U Pending JPS5992913U (en) | 1982-12-14 | 1982-12-14 | Constant voltage power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5992913U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5619814B2 (en) * | 1978-07-05 | 1981-05-09 |
-
1982
- 1982-12-14 JP JP19019882U patent/JPS5992913U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5619814B2 (en) * | 1978-07-05 | 1981-05-09 |
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