JPH0455608U - - Google Patents
Info
- Publication number
- JPH0455608U JPH0455608U JP9618390U JP9618390U JPH0455608U JP H0455608 U JPH0455608 U JP H0455608U JP 9618390 U JP9618390 U JP 9618390U JP 9618390 U JP9618390 U JP 9618390U JP H0455608 U JPH0455608 U JP H0455608U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- output
- control circuit
- transistor
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図および第２図はそれぞれ本考案の第１の
実施例および第２の実施例を示すブロツク図、第
３図は従来の安定化電源回路の一例を示すブロツ
ク図である。
１……出力回路（コレクタ出力）、２……制御
回路、３……出力回路（エミツタ出力）、４……
入力電圧、５……出力電圧、６……スイツチ、７
……スイツチ、８……電圧検出回路、９……イン
バータ、１１……出力回路、１２……制御回路。
1 and 2 are block diagrams showing a first embodiment and a second embodiment of the present invention, respectively, and FIG. 3 is a block diagram showing an example of a conventional stabilized power supply circuit. 1... Output circuit (collector output), 2... Control circuit, 3... Output circuit (emitter output), 4...
Input voltage, 5...Output voltage, 6...Switch, 7
... Switch, 8 ... Voltage detection circuit, 9 ... Inverter, 11 ... Output circuit, 12 ... Control circuit.
Claims (1)
からの出力電圧を出力とする第１の出力回路と、
前記第１の出力回路の出力電圧を安定化するべく
制御する制御回路とにより構成される安定化電源
回路において、前記制御回路によつて制御された
第２のトランジスタのエミツタ又はソースからの
出力電圧を出力とする第２の出力回路を前記第１
の出力回路と並列に接続して成ることを特徴とす
る安定化電源回路。 ２ 入力電圧が予じめ設定された上限電圧より大
または予め設定された下限電圧より小であること
を検出する電圧検出回路と、前記入力電圧が前記
上限電圧より高い場合には前記第２の出力回路を
前記制御回路が制御し前記下限電圧より低い場合
には前記第１の出力回路を前記制御回路が制御す
べく切替える切替回路とを有することを特徴とす
る請求項１記載の安定化電源回路。[Claims for Utility Model Registration] 1. A first output circuit that outputs the output voltage from the collector or drain of the first transistor;
and a control circuit that controls the output voltage of the first output circuit to stabilize the output voltage of the second transistor, wherein the output voltage from the emitter or source of the second transistor is controlled by the control circuit. A second output circuit having an output of
A stabilized power supply circuit characterized by being connected in parallel with an output circuit. 2. A voltage detection circuit that detects that the input voltage is higher than a preset upper limit voltage or lower than a preset lower limit voltage, and when the input voltage is higher than the upper limit voltage, the second The stabilized power source according to claim 1, further comprising a switching circuit that controls an output circuit by the control circuit and switches the first output circuit to be controlled by the control circuit when the voltage is lower than the lower limit voltage. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990096183U JP2546320Y2 (en) | 1990-09-13 | 1990-09-13 | Stabilized power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990096183U JP2546320Y2 (en) | 1990-09-13 | 1990-09-13 | Stabilized power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0455608U true JPH0455608U (en) | 1992-05-13 |
| JP2546320Y2 JP2546320Y2 (en) | 1997-08-27 |
Family
ID=31835504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990096183U Expired - Fee Related JP2546320Y2 (en) | 1990-09-13 | 1990-09-13 | Stabilized power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2546320Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014086073A (en) * | 2012-10-18 | 2014-05-12 | Samsung Electro-Mechanics Co Ltd | Low drop-out regulator |
| JP2016143394A (en) * | 2015-02-05 | 2016-08-08 | ローム株式会社 | Linear power supply and electronic device using the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6296718U (en) * | 1985-12-06 | 1987-06-20 |
-
1990
- 1990-09-13 JP JP1990096183U patent/JP2546320Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6296718U (en) * | 1985-12-06 | 1987-06-20 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014086073A (en) * | 2012-10-18 | 2014-05-12 | Samsung Electro-Mechanics Co Ltd | Low drop-out regulator |
| JP2016143394A (en) * | 2015-02-05 | 2016-08-08 | ローム株式会社 | Linear power supply and electronic device using the same |
| WO2016125412A1 (en) * | 2015-02-05 | 2016-08-11 | ローム株式会社 | Linear power supply and electronic apparatus using same |
| EP3255521A4 (en) * | 2015-02-05 | 2018-09-12 | Rohm Co., Ltd. | Linear power supply and electronic apparatus using same |
| US10168720B2 (en) | 2015-02-05 | 2019-01-01 | Rohm Co., Ltd. | Linear power supply and electronic apparatus using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2546320Y2 (en) | 1997-08-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |