JPS61189311U - - Google Patents
Info
- Publication number
- JPS61189311U JPS61189311U JP7312185U JP7312185U JPS61189311U JP S61189311 U JPS61189311 U JP S61189311U JP 7312185 U JP7312185 U JP 7312185U JP 7312185 U JP7312185 U JP 7312185U JP S61189311 U JPS61189311 U JP S61189311U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- regulator
- transistor
- constant voltage
- resistor
- 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
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図はこの考案の実施例を示す定電圧回路の
回路図、第２図は第１図の実施例のパラメータの
変動分を示す図、第３図は仮想ＩＣレギユレータ
を用いた第１図の等価回路を示す図、第４図は他
の実施例を示す回路図、第５図はその他の実施例
を示す回路図、第６図は従来の定電圧回路の回路
図、第７図は第６図の従来回路のパラメータの変
動分を示す図である。
５：ＩＣレギユレータ、６，７，９：抵抗器、
７：トランジスタ、７′：ダーリントン接続した
トランジスタ、７″：デプリーシヨン形ＦＥＴ、
８：定電圧ダイオード。
Fig. 1 is a circuit diagram of a constant voltage circuit showing an embodiment of this invention, Fig. 2 is a diagram showing variations in parameters of the embodiment of Fig. 1, and Fig. 3 is a diagram showing the variation of parameters in the embodiment of Fig. 1. 4 is a circuit diagram showing another embodiment, FIG. 5 is a circuit diagram showing another embodiment, FIG. 6 is a circuit diagram of a conventional constant voltage circuit, and FIG. 7 is a circuit diagram showing another embodiment. FIG. 7 is a diagram showing variations in parameters of the conventional circuit of FIG. 6; 5: IC regulator, 6, 7, 9: resistor,
7: Transistor, 7′: Darlington connected transistor, 7″: Depletion type FET,
8: Constant voltage diode.
Claims (1)
素子の入力端子との間にトランジスタが順方向に
縦続接続され、 上記３端子レギユレータＩＣ素子の出力端子と
上記トランジスタの制御端子との間に定電圧を保
持する手段が設けられ、 上記３端子レギユレータＩＣ素子の出力端子と
調整端子との間に第１抵抗器が接続され、 その調整端子は第２抵抗器を通して被安定化電
源の他端に接続され、この他端と上記出力端子と
の間に安定化電圧を作る定電圧回路。[Scope of claim for utility model registration] One end of the regulated power supply and the three-terminal regulator IC
A transistor is connected in cascade in the forward direction between the input terminal of the element, and means for maintaining a constant voltage is provided between the output terminal of the three-terminal regulator IC element and the control terminal of the transistor, and the three-terminal regulator A first resistor is connected between the output terminal of the IC element and the adjustment terminal, and the adjustment terminal is connected to the other end of the stabilized power supply through a second resistor, and between this other end and the output terminal. A constant voltage circuit that creates a stabilized voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7312185U JPS61189311U (en) | 1985-05-17 | 1985-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7312185U JPS61189311U (en) | 1985-05-17 | 1985-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61189311U true JPS61189311U (en) | 1986-11-26 |
Family
ID=30612185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7312185U Pending JPS61189311U (en) | 1985-05-17 | 1985-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61189311U (en) |
-
1985
- 1985-05-17 JP JP7312185U patent/JPS61189311U/ja active Pending