JPS6339715U - - Google Patents
Info
- Publication number
- JPS6339715U JPS6339715U JP13175386U JP13175386U JPS6339715U JP S6339715 U JPS6339715 U JP S6339715U JP 13175386 U JP13175386 U JP 13175386U JP 13175386 U JP13175386 U JP 13175386U JP S6339715 U JPS6339715 U JP S6339715U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- constant voltage
- series
- output
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例に係る定電圧回路の
回路構成を示す図、第２図は従来の定電圧回路の
回路構成を示す図である。
２０…基準電圧回路、２６…誤差電圧検出回路
、３４…誤差増幅回路、４６…定電圧制御用トラ
ンジスタ、５０…バイパス回路、５２…ツエナー
ダイオード、５４…逆流阻止用ダイオード、４６
…電流制限抵抗。
FIG. 1 is a diagram showing the circuit configuration of a constant voltage circuit according to an embodiment of the present invention, and FIG. 2 is a diagram showing the circuit configuration of a conventional constant voltage circuit. 20... Reference voltage circuit, 26... Error voltage detection circuit, 34... Error amplifier circuit, 46... Constant voltage control transistor, 50... Bypass circuit, 52... Zener diode, 54... Backflow blocking diode, 46
...Current limiting resistor.
Claims (1)
よび基準電圧回路と、 該電圧検出回路にて検出された出力電圧と基準
電圧の差を増幅する誤差増幅回路と、 入力端に直列に接続され前記誤差増幅回路によ
つて出力端に流れる電流を制御するための定電圧
制御トランジスタと、を有する定電圧回路におい
て、 通常の出力電圧より低い電圧値を有する定電圧
源と、 該定電圧源の出力端に直列に接続された逆流阻
止用ダイオードと、 前記定電圧源の入力端に直列に接続された電流
制限用抵抗と、 からなるバイパス回路を、 前記定電圧制御用トランジスタに並列に設けた
ことを特徴とする定電圧回路。[Claims for Utility Model Registration] An error voltage detection circuit and a reference voltage circuit connected in parallel to the output terminal, an error amplification circuit that amplifies the difference between the output voltage detected by the voltage detection circuit and the reference voltage, A constant voltage source having a voltage value lower than a normal output voltage in a constant voltage circuit having a constant voltage control transistor connected in series to an input terminal for controlling a current flowing to an output terminal by the error amplification circuit. and a reverse current blocking diode connected in series to the output end of the constant voltage source, and a current limiting resistor connected in series to the input end of the constant voltage source. A constant voltage circuit characterized by being provided in parallel with a transistor for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13175386U JPS6339715U (en) | 1986-08-28 | 1986-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13175386U JPS6339715U (en) | 1986-08-28 | 1986-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6339715U true JPS6339715U (en) | 1988-03-15 |
Family
ID=31030496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13175386U Pending JPS6339715U (en) | 1986-08-28 | 1986-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6339715U (en) |
-
1986
- 1986-08-28 JP JP13175386U patent/JPS6339715U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6339715U (en) | ||
| JP2566786Y2 (en) | Power supply load circuit | |
| JPH0524972Y2 (en) | ||
| JPS5840648Y2 (en) | compression amplifier | |
| JPS6170214U (en) | ||
| JPS6034620U (en) | Overcurrent protection circuit | |
| JPH0112414Y2 (en) | ||
| JPS6223321U (en) | ||
| JPS61123683U (en) | ||
| JPH0312144U (en) | ||
| JPS64110U (en) | ||
| JPH0488384U (en) | ||
| JPS6162421U (en) | ||
| JPH03117930U (en) | ||
| JPH01111325U (en) | ||
| JPS63151016U (en) | ||
| JPS645457U (en) | ||
| JPS62161414U (en) | ||
| JPS6042970U (en) | current detection circuit | |
| JPS596291U (en) | gas alarm device | |
| JPS6174115U (en) | ||
| JPH0369917U (en) | ||
| JPS59104218U (en) | Constant voltage power supply circuit with current limit | |
| JPS635715U (en) | ||
| JPH01123217U (en) |