JPS5972882U - switching power supply - Google Patents
switching power supplyInfo
- Publication number
- JPS5972882U JPS5972882U JP16152682U JP16152682U JPS5972882U JP S5972882 U JPS5972882 U JP S5972882U JP 16152682 U JP16152682 U JP 16152682U JP 16152682 U JP16152682 U JP 16152682U JP S5972882 U JPS5972882 U JP S5972882U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching
- power supply
- overcurrent detection
- switching power
- 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
- Dc-Dc Converters (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のスイッチング電源の電気回路接続図、第
２図はその出力電流」出力電圧特性図、第３図は本考案
に係るスイッチング電源の要部における電気回路接続図
、第４図は同じく更に別の実施例における要部の電気回
路接続図である。
１・・・・・・スイッチング回路、２・・・・・・制御
回路、４・・・・・・基準値可変回路、２１・・・・・
・電圧制御回路、２２・・・・・・過電流検出回路。Fig. 1 is an electrical circuit connection diagram of a conventional switching power supply, Fig. 2 is its output current and output voltage characteristic diagram, Fig. 3 is an electrical circuit connection diagram of the main parts of the switching power supply according to the present invention, and Fig. 4 is FIG. 7 is an electric circuit connection diagram of the main parts in still another embodiment. 1...Switching circuit, 2...Control circuit, 4...Reference value variable circuit, 21...
- Voltage control circuit, 22... Overcurrent detection circuit.
Claims (1)
電圧を検出して前記スイッチング回路のスイッチング動
作を制御する電圧制御回路と、出力電流の過電流を検出
して前記スイッチング回路のスイッチング動作を制御す
る過電流検出回路とを備えるスイッチング電源において
、前記電圧制御回路側で検出値と比較される基準値と、
前記過電流検出回路側で検出値と比較される基準値とを
同時に可変する回路を設け、前記過電流検出回路の過電
流検出点を出力電圧の変化に応じて変化させることを特
徴とするスイッチング電源。 −A switching circuit that switches DC input, a voltage control circuit that detects an output voltage and controls the switching operation of the switching circuit, and an overcurrent detection that detects an overcurrent of the output current and controls the switching operation of the switching circuit. a reference value that is compared with a detected value on the voltage control circuit side;
Switching characterized in that a circuit is provided on the overcurrent detection circuit side to simultaneously vary a detected value and a reference value to be compared, and an overcurrent detection point of the overcurrent detection circuit is changed in accordance with a change in output voltage. power supply. −
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16152682U JPS5972882U (en) | 1982-10-25 | 1982-10-25 | switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16152682U JPS5972882U (en) | 1982-10-25 | 1982-10-25 | switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5972882U true JPS5972882U (en) | 1984-05-17 |
Family
ID=30354957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16152682U Pending JPS5972882U (en) | 1982-10-25 | 1982-10-25 | switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5972882U (en) |
-
1982
- 1982-10-25 JP JP16152682U patent/JPS5972882U/en active Pending
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