JPH0321941U - - Google Patents
Info
- Publication number
- JPH0321941U JPH0321941U JP8293689U JP8293689U JPH0321941U JP H0321941 U JPH0321941 U JP H0321941U JP 8293689 U JP8293689 U JP 8293689U JP 8293689 U JP8293689 U JP 8293689U JP H0321941 U JPH0321941 U JP H0321941U
- Authority
- JP
- Japan
- Prior art keywords
- switching regulator
- output
- driver
- switch
- outputs
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Description
第１図はこの考案の電源回路の一実施例の構成
を示すブロツク図、第２図は従来の電源回路の一
例の構成を示すブロツク図、第３図は第２図の例
のより詳細な構成を示す回路図、第４図は第１図
の実施例の動作を説明するタイミングチヤート、
第５図は第１図の実施例の正常動作時のブロツク
図、第６図は第１図の実施例の過負荷動作時のブ
ロツク図である。
１……スイツチングレギユレータ、２……ドラ
イバ、４１……スイツチ、４２……電源監視回路
、４３……コンパレータ、４４……ワンシヨツト
回路、４５……スロースタート回路、４６……コ
ンパレータ、４７……オア回路。
Figure 1 is a block diagram showing the configuration of an embodiment of the power supply circuit of this invention, Figure 2 is a block diagram showing the configuration of an example of a conventional power supply circuit, and Figure 3 is a more detailed diagram of the example of Figure 2. A circuit diagram showing the configuration; FIG. 4 is a timing chart explaining the operation of the embodiment shown in FIG. 1;
5 is a block diagram of the embodiment shown in FIG. 1 during normal operation, and FIG. 6 is a block diagram of the embodiment shown in FIG. 1 during overload operation. 1... Switching regulator, 2... Driver, 41... Switch, 42... Power monitoring circuit, 43... Comparator, 44... One shot circuit, 45... Slow start circuit, 46... Comparator, 47 ...OR circuit.
Claims (1)
出力するスイツチングレギユレータと、 前記スイツチングレギユレータの出力を平滑し
て出力するドライバと、 前記スイツチングレギユレータから前記ドライ
バへの出力の伝達を制御するスイツチと、 前記ドライバの出力電圧が所定の基準値以下の
とき、前記スイツチを制御し、前記スイツチング
レギユレータからの出力の前記ドライバへの伝達
を禁止させるコンパレータとを備える電源回路。[Claims for Utility Model Registration] A switching regulator that switches an input voltage to a predetermined voltage and outputs it; a driver that smooths the output of the switching regulator and outputs the smoothed output; and the switching regulator. a switch that controls transmission of output from the switching regulator to the driver; and a switch that controls the switch and transmits the output from the switching regulator to the driver when the output voltage of the driver is below a predetermined reference value. A power supply circuit comprising a comparator that prohibits
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8293689U JPH0321941U (en) | 1989-07-14 | 1989-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8293689U JPH0321941U (en) | 1989-07-14 | 1989-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321941U true JPH0321941U (en) | 1991-03-06 |
Family
ID=31630186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8293689U Pending JPH0321941U (en) | 1989-07-14 | 1989-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321941U (en) |
-
1989
- 1989-07-14 JP JP8293689U patent/JPH0321941U/ja active Pending