JPH0390318U - - Google Patents
Info
- Publication number
- JPH0390318U JPH0390318U JP14946889U JP14946889U JPH0390318U JP H0390318 U JPH0390318 U JP H0390318U JP 14946889 U JP14946889 U JP 14946889U JP 14946889 U JP14946889 U JP 14946889U JP H0390318 U JPH0390318 U JP H0390318U
- Authority
- JP
- Japan
- Prior art keywords
- transistors
- transistor
- terminal
- ground
- voltage
- 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
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Electrical Variables (AREA)
- Power Conversion In General (AREA)
- Amplifiers (AREA)
Description
第１図は本考案に係る負出力電圧安定化電源回
路の実施例を示す回路図、第２図は従来の負出力
電圧安定化電源回路の一具体例を示す回路図であ
る。
Ｇ……接地端子、Ｖｏ……出力端子、Ｖｉ……
入力端子、Ｒ１……第１分圧負荷抵抗、Ｒ２……
第２分圧負荷抵抗、Ｖｒ……基準電圧源、Ｑｏ…
…パワートランジスタ、Ｑ１〜Ｑ６……第１〜第
６トランジスタ、Ｄ……ダイオード、Ｉｒ……定
電流源、Ａ……差動増幅器。
FIG. 1 is a circuit diagram showing an embodiment of a negative output voltage stabilizing power supply circuit according to the present invention, and FIG. 2 is a circuit diagram showing a specific example of a conventional negative output voltage stabilizing power supply circuit. G...Ground terminal, Vo...Output terminal, Vi...
Input terminal, R 1 .... First partial voltage load resistance, R 2 ...
Second voltage division load resistance, Vr...Reference voltage source, Qo...
...power transistor, Q1 to Q6 ...first to sixth transistors, D...diode, Ir...constant current source, A...differential amplifier.
Claims (1)
力端子と、接地、出力端子間に直列挿入した第１
、第２分圧負荷抵抗と、出力端子と入力端子にそ
れぞれコレクタとエミツタを挿入したパワートラ
ンジスタと、高電位側を接地端子に接続した基準
電圧源と、各ベースを基準電圧源の低電位側と第
１、第２分圧負荷抵抗の分圧点とに接続した一対
の入力側第１、第２トランジスタ、各ベース同士
を接続した第３、第４トランジスタ、及び各ベー
ス同志を接続した第５、第６トランジスタを有し
、上記第１〜第６トランジスタの各コレクタ、エ
ミツタ間を第１、第３、第５トランジスタ毎、及
び第２、第４、第６トランジスタ毎に上記接地、
入力端子間に直列挿入すると共に、第３、第４ト
ランジスタの第１ベース接続点と第５、第６トラ
ンジスタの第２ベース接続点の間にダイオードを
挿入して上記第２ベース接続点に定電流源を接続
し、かつ、第６トランジスタのコレクタをトラン
ジスタを介して上記パワートランジスタのベース
に接続した差動増幅器とを具備したことを特徴と
する負出力電圧安定化電源回路。 The first terminal is inserted in series between the ground, the output terminal, the input terminal to which the lowest negative voltage is applied, and the ground, the output terminal.
, a second voltage-dividing load resistor, a power transistor with a collector and an emitter inserted into the output terminal and input terminal, respectively, a reference voltage source whose high potential side is connected to the ground terminal, and each base connected to the low potential side of the reference voltage source. and a pair of input-side first and second transistors connected to the voltage dividing point of the first and second voltage dividing load resistors, a third and fourth transistor whose bases are connected to each other, and a second transistor whose bases are connected to each other. 5, a sixth transistor, and the ground is connected between the collector and emitter of each of the first to sixth transistors for each of the first, third, and fifth transistors, and for each of the second, fourth, and sixth transistors;
A diode is inserted in series between the input terminals, and a diode is inserted between the first base connection point of the third and fourth transistors and the second base connection point of the fifth and sixth transistors, and is fixed at the second base connection point. 1. A negative output voltage stabilizing power supply circuit comprising: a differential amplifier connected to a current source; and a differential amplifier having a collector of a sixth transistor connected to the base of the power transistor via the transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14946889U JPH0642250Y2 (en) | 1989-12-25 | 1989-12-25 | Negative output voltage stabilized power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14946889U JPH0642250Y2 (en) | 1989-12-25 | 1989-12-25 | Negative output voltage stabilized power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0390318U true JPH0390318U (en) | 1991-09-13 |
| JPH0642250Y2 JPH0642250Y2 (en) | 1994-11-02 |
Family
ID=31695860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14946889U Expired - Lifetime JPH0642250Y2 (en) | 1989-12-25 | 1989-12-25 | Negative output voltage stabilized power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642250Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4484961B2 (en) * | 2007-07-10 | 2010-06-16 | 株式会社とわに | Scrap shearing machine |
-
1989
- 1989-12-25 JP JP14946889U patent/JPH0642250Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4484961B2 (en) * | 2007-07-10 | 2010-06-16 | 株式会社とわに | Scrap shearing machine |
| JPWO2009008483A1 (en) * | 2007-07-10 | 2010-09-09 | 株式会社とわに | Scrap shearing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0642250Y2 (en) | 1994-11-02 |
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