JPS6158885U - - Google Patents
Info
- Publication number
- JPS6158885U JPS6158885U JP14163084U JP14163084U JPS6158885U JP S6158885 U JPS6158885 U JP S6158885U JP 14163084 U JP14163084 U JP 14163084U JP 14163084 U JP14163084 U JP 14163084U JP S6158885 U JPS6158885 U JP S6158885U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- zener diode
- output
- switching regulator
- detection 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は本考案における電圧基準の波形図、第３図は
従来のスイツチングレギユレータの一例を示す回
路図、第４図は従来回路における入出力電圧特性
図である。
１…トランジスタ、２…コンデンサ、３，３Ａ
…ツエナダイオード、４…トランス、５…電圧検
出回路、６…フオトカプラ。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
3 is a circuit diagram showing an example of a conventional switching regulator, and FIG. 4 is an input/output voltage characteristic diagram of the conventional circuit. 1...Transistor, 2...Capacitor, 3,3A
...Zena diode, 4...Transformer, 5...Voltage detection circuit, 6...Photocoupler.
Claims (1)
て直流電源からトランジスタ発振回路を介して定
電圧の直流出力電圧を得るスイツチングレギユレ
ータにおいて、上記ツエナダイオードにバイパス
素子を並列接続した第２のツエナダイオードを直
列に挿入すると共に、上記直流出力電圧の電圧レ
ベルの変動を検出する電圧検出回路を設け、上記
電圧検出回路の出力に応じて上記バイパス素子を
オンオフし、電圧基準を上下に変化させることを
特徴とするスイツチングレギユレータ。 In a switching regulator that obtains a constant DC output voltage from a DC power supply via a transistor oscillation circuit using the Zener voltage of the Zener diode as a voltage reference, a second Zener diode with a bypass element connected in parallel to the Zener diode is connected in series. and a voltage detection circuit that detects fluctuations in the voltage level of the DC output voltage is provided, and the bypass element is turned on and off according to the output of the voltage detection circuit, thereby changing the voltage reference up and down. Switching regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14163084U JPS6158885U (en) | 1984-09-20 | 1984-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14163084U JPS6158885U (en) | 1984-09-20 | 1984-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6158885U true JPS6158885U (en) | 1986-04-21 |
Family
ID=30699968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14163084U Pending JPS6158885U (en) | 1984-09-20 | 1984-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6158885U (en) |
-
1984
- 1984-09-20 JP JP14163084U patent/JPS6158885U/ja active Pending
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