JPS58138120U - constant voltage device - Google Patents
constant voltage deviceInfo
- Publication number
- JPS58138120U JPS58138120U JP3379882U JP3379882U JPS58138120U JP S58138120 U JPS58138120 U JP S58138120U JP 3379882 U JP3379882 U JP 3379882U JP 3379882 U JP3379882 U JP 3379882U JP S58138120 U JPS58138120 U JP S58138120U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- reference voltage
- constant voltage
- power supply
- switching 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
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図は本考案の一実施例を示す電気回路図、第２図は
第１図の■、＠、■の各点での電圧及び区間Ｏ１■の電
圧差を示す説明図である。
１・・・・・・直流電源、２・・・・・・スイッチ、３
・・・・・・比較部、４・・・・・・スイッチングトラ
ンジスタ、５・・・・・・抵抗、６・・・・・・電圧安
定化回路、７・・・・・・差動増幅器、８・・・・・・
定電圧制御部、９・・・・・・負荷抵抗。FIG. 1 is an electric circuit diagram showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing the voltages at the points ■, @, ■ in FIG. 1 and the voltage difference in the section O1■. 1...DC power supply, 2...Switch, 3
... Comparison section, 4 ... Switching transistor, 5 ... Resistor, 6 ... Voltage stabilization circuit, 7 ... Differential amplifier , 8...
Constant voltage control section, 9...Load resistance.
Claims (1)
安定化する定電圧制御部８を備えた定電圧装置において
、前記直流電源１と前記定電圧制御部８との間に介装さ
れた抵抗５と、該抵抗に並列接続されたスイッチング回
路４と、前記出力電圧と略等しい第１の基準電圧より高
い第２の基準電圧を有し、前記直流電源１の電圧が前記
第２の基準電圧を越えるとき、前記スイッチング回路４
をオフ状態にせしめ、また前記第２の基準電圧を、越え
ないとき前記スイッチング回路４をオン状態にせしめる
比較部３とを備えたことを特徴とする定電圧装置。In a constant voltage device equipped with a constant voltage control unit 8 that lowers and stabilizes the voltage from a DC power supply 1 to a predetermined output voltage, a voltage regulator interposed between the DC power supply 1 and the constant voltage control unit 8 is provided. a switching circuit 4 connected in parallel to the resistor; and a second reference voltage higher than the first reference voltage, which is substantially equal to the output voltage, and the voltage of the DC power supply 1 is set to the second reference voltage. When the reference voltage is exceeded, the switching circuit 4
and a comparator section 3 which causes the switching circuit 4 to turn on when the second reference voltage does not exceed the second reference voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3379882U JPS58138120U (en) | 1982-03-10 | 1982-03-10 | constant voltage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3379882U JPS58138120U (en) | 1982-03-10 | 1982-03-10 | constant voltage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58138120U true JPS58138120U (en) | 1983-09-17 |
Family
ID=30045326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3379882U Pending JPS58138120U (en) | 1982-03-10 | 1982-03-10 | constant voltage device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58138120U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5518744A (en) * | 1978-07-25 | 1980-02-09 | Nec Corp | Series regulator |
-
1982
- 1982-03-10 JP JP3379882U patent/JPS58138120U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5518744A (en) * | 1978-07-25 | 1980-02-09 | Nec Corp | Series regulator |
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