JPS61168410U - - Google Patents
Info
- Publication number
- JPS61168410U JPS61168410U JP5176285U JP5176285U JPS61168410U JP S61168410 U JPS61168410 U JP S61168410U JP 5176285 U JP5176285 U JP 5176285U JP 5176285 U JP5176285 U JP 5176285U JP S61168410 U JPS61168410 U JP S61168410U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- control
- supply circuit
- stabilized power
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案の一実施例の安定化電源回路の
回路図、第２図は本考案の他の実施例の回路図、
第３図および第４図はそれぞれ従来の安定化電源
回路の回路図および入出力特性を示すグラフであ
る。
１……スタートアツプ回路、２……電流源、３
……基準電圧器、４……誤差増幅器、５……出力
トランジスタ、６，７……出力電圧設定用抵抗、
８……入力端子、９……出力端子、１０，１１…
…入力電圧分圧用抵抗、１２……コンパレータ、
１３……リセツト用トランジスタ、１４，１５…
…正帰還用抵抗。
FIG. 1 is a circuit diagram of a stabilized power supply circuit according to one embodiment of the present invention, and FIG. 2 is a circuit diagram of another embodiment of the present invention.
FIGS. 3 and 4 are a circuit diagram and a graph showing input/output characteristics of a conventional stabilized power supply circuit, respectively. 1...Start-up circuit, 2...Current source, 3
... Reference voltage generator, 4 ... Error amplifier, 5 ... Output transistor, 6, 7 ... Output voltage setting resistor,
8...Input terminal, 9...Output terminal, 10, 11...
...Input voltage dividing resistor, 12...Comparator,
13... Reset transistor, 14, 15...
...Positive feedback resistor.
Claims (1)
準電圧と前記出力電圧を比較して前記制御用トラ
ンジスタを制御する誤差増幅器とを有する安定化
電源回路において、前記誤差増幅器の出力と地気
の間に設けられたリセツト用トランジスタと、入
力電圧と前記基準電圧とを比較して前記リセツト
用トランジスタを制御するコンパレータとを含む
ことを特徴とする安定化電源回路。 A stabilized power supply circuit having a control transistor that controls an output voltage, and an error amplifier that compares a reference voltage and the output voltage to control the control transistor, wherein the stabilized power supply circuit is provided between the output of the error amplifier and the ground. 1. A stabilized power supply circuit comprising: a reset transistor, and a comparator that compares an input voltage with the reference voltage to control the reset transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5176285U JPS61168410U (en) | 1985-04-08 | 1985-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5176285U JPS61168410U (en) | 1985-04-08 | 1985-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61168410U true JPS61168410U (en) | 1986-10-18 |
Family
ID=30571106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5176285U Pending JPS61168410U (en) | 1985-04-08 | 1985-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61168410U (en) |
-
1985
- 1985-04-08 JP JP5176285U patent/JPS61168410U/ja active Pending