JPS567118A - Stabilizing electric power circuit - Google Patents
Stabilizing electric power circuitInfo
- Publication number
- JPS567118A JPS567118A JP8139379A JP8139379A JPS567118A JP S567118 A JPS567118 A JP S567118A JP 8139379 A JP8139379 A JP 8139379A JP 8139379 A JP8139379 A JP 8139379A JP S567118 A JPS567118 A JP S567118A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- output
- base
- transistor
- 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
PURPOSE: To obtain the optional low voltage output by giving the voltage division to the stabilized voltage output having the temperature coefficient of zero by the resistance and at the same time obtaining this voltage division output through the operational amplifying circuit.
CONSTITUTION: The circuit which forms stabilized voltage Vr' is constituted by the following component parts: transistor Q2 with the base-emitter voltage of diode- connected transistor Q1 applied to the base and resistance R3 provided to the emitter each; transistor Q3 with the collector voltage of Q2 applied to the base and constant current circuit 2 provided to the collector each; and transistor Q4 which receives application of the collector output of Q3 at the base, supplies the emitter output to the collectors of Q1 and Q2 via resistances R1 and R2, and at the same time obtains stabilized Vr' respectively. Then the voltage division is given to voltage Vr' by resistance R4 and R5, and output voltage Vr can be obtained via voltage folower circuit 1 which is formed with the differential amplifying circuit and fed the output back to the inverse input.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8139379A JPS567118A (en) | 1979-06-29 | 1979-06-29 | Stabilizing electric power circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8139379A JPS567118A (en) | 1979-06-29 | 1979-06-29 | Stabilizing electric power circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS567118A true JPS567118A (en) | 1981-01-24 |
Family
ID=13745049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8139379A Pending JPS567118A (en) | 1979-06-29 | 1979-06-29 | Stabilizing electric power circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS567118A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5880716A (en) * | 1981-11-09 | 1983-05-14 | Nec Corp | Reference voltage circuit |
US5455504A (en) * | 1992-07-17 | 1995-10-03 | Toko, Inc. | Constant-current circuit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5270346A (en) * | 1975-12-10 | 1977-06-11 | Mitsumi Electric Co Ltd | Low voltage stabilizer circuit |
-
1979
- 1979-06-29 JP JP8139379A patent/JPS567118A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5270346A (en) * | 1975-12-10 | 1977-06-11 | Mitsumi Electric Co Ltd | Low voltage stabilizer circuit |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5880716A (en) * | 1981-11-09 | 1983-05-14 | Nec Corp | Reference voltage circuit |
JPH0461368B2 (en) * | 1981-11-09 | 1992-09-30 | Nippon Electric Co | |
US5455504A (en) * | 1992-07-17 | 1995-10-03 | Toko, Inc. | Constant-current circuit |
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