JPS6174114U - - Google Patents
Info
- Publication number
- JPS6174114U JPS6174114U JP15913284U JP15913284U JPS6174114U JP S6174114 U JPS6174114 U JP S6174114U JP 15913284 U JP15913284 U JP 15913284U JP 15913284 U JP15913284 U JP 15913284U JP S6174114 U JPS6174114 U JP S6174114U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- circuit
- output
- power supply
- supply circuit
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 2
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図はこの考案に係る定電圧電源回路の一実
施例を示す回路図、第２図は従来の定電圧電源回
路の一例を示す回路図、第３図ａ及びｂは第２図
の定電圧電源回路から出力される定電圧及び該回
路中のオペアンプの出力電圧の時間的変化の一例
を夫々示す図、第３図ｃ及びｄは第１図の定電圧
電源回路から出力される定電圧及び該回路中のオ
ペアンプの出力電圧の時間的変化の一例を夫々示
す図である。
１…オペアンプ、２，９…トランジスタ、３，
４，５，６，７，１０…抵抗、８…出力電圧制御
回路。
FIG. 1 is a circuit diagram showing an example of a constant voltage power supply circuit according to this invention, FIG. 2 is a circuit diagram showing an example of a conventional constant voltage power supply circuit, and FIGS. Figures 3c and d respectively show examples of temporal changes in the constant voltage output from the voltage power supply circuit and the output voltage of the operational amplifier in the circuit. and FIG. 7 is a diagram showing an example of a temporal change in the output voltage of an operational amplifier in the circuit. 1... operational amplifier, 2, 9... transistor, 3,
4, 5, 6, 7, 10...resistor, 8...output voltage control circuit.
Claims (1)
と、 この演算増幅器の出力に応じて出力電圧を生じ
る出力回路と、 前記出力電圧を所定の帰還率で前記演算増幅器
の他方入力にフイードバツクするフイードバツク
回路と、 前記演算増幅器の出力レベルが正常動作時の範
囲外の所定レベルに達したとき動作して該演算増
幅器の前記基準電圧入力側に印加される電圧を制
御する回路を形成し、これにより該出力レベルの
変動を制限するようにした制御回路と、 を具えた定電圧電源回路。 ２ 前記制御回路は、前記演算増幅器の出力レベ
ルが前記所定レベルに達したとき順方向にバイア
スされるトランジスタを含み、このトランジスタ
の順バイアス時に前記基準電圧入力側の印加電圧
を制御する回路が形成されるようにしたものであ
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。[Claims for Utility Model Registration] 1. An operational amplifier to which a reference voltage is applied to one input; an output circuit that generates an output voltage according to the output of the operational amplifier; a feedback circuit configured to provide feedback to the other input of the operational amplifier; and to operate when the output level of the operational amplifier reaches a predetermined level outside the normal operating range to control the voltage applied to the reference voltage input side of the operational amplifier. A constant voltage power supply circuit comprising: a control circuit forming a circuit to limit fluctuations in the output level; 2. The control circuit includes a transistor that is biased in a forward direction when the output level of the operational amplifier reaches the predetermined level, and a circuit is formed that controls the voltage applied to the reference voltage input side when the transistor is forward biased. 1. A constant voltage power supply circuit according to claim 1, wherein the constant voltage power supply circuit is configured to have the following characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15913284U JPS6174114U (en) | 1984-10-23 | 1984-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15913284U JPS6174114U (en) | 1984-10-23 | 1984-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6174114U true JPS6174114U (en) | 1986-05-20 |
Family
ID=30717094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15913284U Pending JPS6174114U (en) | 1984-10-23 | 1984-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6174114U (en) |
-
1984
- 1984-10-23 JP JP15913284U patent/JPS6174114U/ja active Pending