JPH03124220U - - Google Patents
Info
- Publication number
- JPH03124220U JPH03124220U JP3373190U JP3373190U JPH03124220U JP H03124220 U JPH03124220 U JP H03124220U JP 3373190 U JP3373190 U JP 3373190U JP 3373190 U JP3373190 U JP 3373190U JP H03124220 U JPH03124220 U JP H03124220U
- Authority
- JP
- Japan
- Prior art keywords
- current source
- constant current
- output terminal
- diode
- constant 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Electrical Variables (AREA)
Description
第1図は本考案の第1実施例を示す回路図、第
2図は第2の実施例の回路図、第3図は従来の定
電圧供給回路図、第4図は第3図のMOSダイオ
ードD1の温度特性図である。
1……電源端子、2……定電圧出力端子、C1
……定電流源、D1……MOSダイオード、D2
……温度特性補正用ダイオード。
Fig. 1 is a circuit diagram showing the first embodiment of the present invention, Fig. 2 is a circuit diagram of the second embodiment, Fig. 3 is a conventional constant voltage supply circuit diagram, and Fig. 4 is the MOS shown in Fig. 3. It is a temperature characteristic diagram of diode D1. 1...Power supply terminal, 2...Constant voltage output terminal, C1
...Constant current source, D1...MOS diode, D2
...Diode for temperature characteristic correction.
Claims (1)
接がれた第1のMOSダイオードと、この第1の
MOSダイオードのアノードと前記定電流源の出
力端子の接続点からダイオードまたはバイポーラ
トランジスタで構成されるエミツタフオロアを介
して定電圧を取り出すことを特徴とする定電圧供
給回路。 A constant current source, a first MOS diode whose anode is connected to the output terminal of the constant current source, and a diode or bipolar transistor connected to the connection point between the anode of the first MOS diode and the output terminal of the constant current source. A constant voltage supply circuit characterized in that a constant voltage is taken out through an emitter follower configured.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3373190U JPH03124220U (en) | 1990-03-29 | 1990-03-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3373190U JPH03124220U (en) | 1990-03-29 | 1990-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03124220U true JPH03124220U (en) | 1991-12-17 |
Family
ID=31537627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3373190U Pending JPH03124220U (en) | 1990-03-29 | 1990-03-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03124220U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5523538A (en) * | 1978-08-04 | 1980-02-20 | Seiko Instr & Electronics Ltd | Constant-voltage generator circuit |
-
1990
- 1990-03-29 JP JP3373190U patent/JPH03124220U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5523538A (en) * | 1978-08-04 | 1980-02-20 | Seiko Instr & Electronics Ltd | Constant-voltage generator circuit |