JPH0444017U - - Google Patents
Info
- Publication number
- JPH0444017U JPH0444017U JP8689790U JP8689790U JPH0444017U JP H0444017 U JPH0444017 U JP H0444017U JP 8689790 U JP8689790 U JP 8689790U JP 8689790 U JP8689790 U JP 8689790U JP H0444017 U JPH0444017 U JP H0444017U
- Authority
- JP
- Japan
- Prior art keywords
- supply circuit
- power supply
- resistive elements
- input
- whose
- 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 1
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案実施例の電源回路図。
１１……電源入力、１２……第１の抵抗、１３
……第２の抵抗、１４……ツエナーダイオード、
１５……第１のトランジスタ、１６……第３の抵
抗、１７……第２のトランジスタ、１８……３端
子レギユレータ、１９……電源出力。
FIG. 1 is a power supply circuit diagram of an embodiment of the present invention. 11...Power input, 12...First resistor, 13
... Second resistor, 14 ... Zener diode,
15...First transistor, 16...Third resistor, 17...Second transistor, 18...3-terminal regulator, 19...Power output.
Claims (1)
第１、第２の抵抗素子、及び定電圧素子と、 ｂ 第１、第２の抵抗素子の中点にベースを接
続し、電源入力にコレクタを接続したＮＰＮトラ
ンジスタと、 ｃ ＮＰＮトランジスタのエミツタを入力とす
るレギユレータにより構成されることを特徴とす
る電源回路。 (2) ＮＰＮトランジスタをダーリントン接続し
た第１、第２のトランジスタに置換したことを特
徴とする請求項１記載の電源回路。[Claims for Utility Model Registration] (1) a. First and second resistive elements and a constant voltage element connected in series from the power input to ground; b. At the midpoint of the first and second resistive elements. A power supply circuit comprising: an NPN transistor whose base is connected and whose collector is connected to a power input; and a regulator whose input is the emitter of the NPN transistor. (2) The power supply circuit according to claim 1, wherein the NPN transistors are replaced with first and second transistors connected in a Darlington manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8689790U JPH0444017U (en) | 1990-08-20 | 1990-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8689790U JPH0444017U (en) | 1990-08-20 | 1990-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444017U true JPH0444017U (en) | 1992-04-14 |
Family
ID=31818812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8689790U Pending JPH0444017U (en) | 1990-08-20 | 1990-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444017U (en) |
-
1990
- 1990-08-20 JP JP8689790U patent/JPH0444017U/ja active Pending
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