JPH033019U - - Google Patents
Info
- Publication number
- JPH033019U JPH033019U JP6192389U JP6192389U JPH033019U JP H033019 U JPH033019 U JP H033019U JP 6192389 U JP6192389 U JP 6192389U JP 6192389 U JP6192389 U JP 6192389U JP H033019 U JPH033019 U JP H033019U
- Authority
- JP
- Japan
- Prior art keywords
- error amplifier
- reference voltage
- power supply
- stabilized power
- supply 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)
Description
第１図ａ及びｂはこの考案に係る安定化電源回
路の実施例を示し、第１図ａは基準電圧の温度特
性を最良値で構成した回路図、第１図ｂは誤差増
幅トランジスタのベースエミツタ間電圧の温度特
性を補正させた回路図である。第２図は従来例の
回路図である。
主な符号の説明、１：制御用トランジスタ、２
：基準電圧ダイオード、３：誤差増幅器、３ａ：
誤差増幅トランジスタ、４：ダイオード。
Figures 1a and 1b show an embodiment of the stabilized power supply circuit according to this invention, Figure 1a is a circuit diagram configuring the temperature characteristics of the reference voltage to the best value, and Figure 1b is a circuit diagram of the base emitter of the error amplification transistor. FIG. 3 is a circuit diagram in which the temperature characteristics of the voltage between the two circuits are corrected. FIG. 2 is a circuit diagram of a conventional example. Explanation of main symbols, 1: Control transistor, 2
: Reference voltage diode, 3: Error amplifier, 3a:
Error amplification transistor, 4: diode.
Claims (1)
幅器とで構成される閉回路形安定化電源回路にお
いて、 前記基準電圧を誤差増幅器の入力側の誤差検出
回路に設け、基準電圧の値を大きくして温度特性
を改善するようにしたことを特徴とする安定化電
源回路。 ２ 誤差増幅器を構成するトランジスタのベース
エミツタ間電圧の温度特性と、この温度特性を打
ち消すようにダイオードを誤差増幅器を構成する
トランジスタのベースに設かけことを特徴とする
請求項１記載の安定化電源回路。[Claims for Utility Model Registration] 1. In a closed-circuit stabilized power supply circuit composed of a control transistor, a reference voltage, and an error amplifier, the reference voltage is provided in an error detection circuit on the input side of the error amplifier, A stabilized power supply circuit characterized in that temperature characteristics are improved by increasing the value of a reference voltage. 2. The stabilized power supply circuit according to claim 1, characterized in that a diode is provided at the base of the transistor constituting the error amplifier so as to cancel out the temperature characteristics of the base-emitter voltage of the transistor constituting the error amplifier. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6192389U JPH033019U (en) | 1989-05-30 | 1989-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6192389U JPH033019U (en) | 1989-05-30 | 1989-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033019U true JPH033019U (en) | 1991-01-14 |
Family
ID=31590610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6192389U Pending JPH033019U (en) | 1989-05-30 | 1989-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033019U (en) |
-
1989
- 1989-05-30 JP JP6192389U patent/JPH033019U/ja active Pending
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