JPH0370022U - - Google Patents
Info
- Publication number
- JPH0370022U JPH0370022U JP12994089U JP12994089U JPH0370022U JP H0370022 U JPH0370022 U JP H0370022U JP 12994089 U JP12994089 U JP 12994089U JP 12994089 U JP12994089 U JP 12994089U JP H0370022 U JPH0370022 U JP H0370022U
- Authority
- JP
- Japan
- Prior art keywords
- chopper
- overvoltage detection
- transformer
- switching element
- 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 4
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Description
図は本考案の一実施例の電気回路図である。
Ｑ……スイツチングトランジスタ（スイツチン
グ素子）、２……チヨツパトランス、５……過電
圧検出回路、６……保護回路。
The figure is an electrical circuit diagram of an embodiment of the present invention. Q... Switching transistor (switching element), 2... Chopper transformer, 5... Overvoltage detection circuit, 6... Protection circuit.
Claims (1)
１次巻線への入力をオン・オフ制御することによ
り、該チヨツパトランスの２次側から一定電圧を
出力するようになつたチヨツパ式スイツチングレ
ギユレータにおいて、前記チヨツパトランスの２
次側電圧が所定電圧値以上になつたのを検出する
過電圧検出回路と、この過電圧検出回路からの過
電圧検出信号により前記スイツチング素子の動作
を停止させる保護回路とを設けたことを特徴とす
るチヨツパ式スイツチングレギユレータ。 In a chopper type switching regulator that outputs a constant voltage from the secondary side of the chopper transformer by controlling on/off the input to the primary winding of the chopper transformer using a switching element, the chopper transformer 2
A chopper characterized in that it is provided with an overvoltage detection circuit that detects that the next-side voltage has exceeded a predetermined voltage value, and a protection circuit that stops the operation of the switching element in response to an overvoltage detection signal from the overvoltage detection circuit. Type switching regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12994089U JPH0370022U (en) | 1989-11-06 | 1989-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12994089U JPH0370022U (en) | 1989-11-06 | 1989-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0370022U true JPH0370022U (en) | 1991-07-12 |
Family
ID=31677538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12994089U Pending JPH0370022U (en) | 1989-11-06 | 1989-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0370022U (en) |
-
1989
- 1989-11-06 JP JP12994089U patent/JPH0370022U/ja active Pending