JPH0382417U - - Google Patents
Info
- Publication number
- JPH0382417U JPH0382417U JP14220289U JP14220289U JPH0382417U JP H0382417 U JPH0382417 U JP H0382417U JP 14220289 U JP14220289 U JP 14220289U JP 14220289 U JP14220289 U JP 14220289U JP H0382417 U JPH0382417 U JP H0382417U
- Authority
- JP
- Japan
- Prior art keywords
- output terminal
- power supply
- supply circuit
- stabilized power
- stabilized
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案の一実施例の安定化電源回路を
示す回路ブロツク図、第２図は第１図の各部の電
圧波形を示すタイミング図、第３図は従来の安定
化電源回路を示す回路ブロツク図である。
１……入力端子、２……出力端子、３……接地
（ＧＮＤ）、４……出力段トランジスタ、５……
誤差検出用差動増幅器、６……比較器、７……第
１の基準電圧、８……第２の基準電圧、９……発
振回路、１０……第１の出力制御用トランジスタ
、１１，２０……第１の抵抗、１２，２１……第
２の抵抗、１３……第３の抵抗、１４……分割抵
抗、１５……過電流検知抵抗、１６……第２の出
力制御用トランジスタ。
Fig. 1 is a circuit block diagram showing a stabilized power supply circuit according to an embodiment of the present invention, Fig. 2 is a timing diagram showing voltage waveforms at various parts of Fig. 1, and Fig. 3 shows a conventional stabilized power supply circuit. FIG. 3 is a circuit block diagram. 1...Input terminal, 2...Output terminal, 3...Ground (GND), 4...Output stage transistor, 5...
differential amplifier for error detection, 6... comparator, 7... first reference voltage, 8... second reference voltage, 9... oscillation circuit, 10... first output control transistor, 11, 20... First resistor, 12, 21... Second resistor, 13... Third resistor, 14... Dividing resistor, 15... Overcurrent detection resistor, 16... Second output control transistor .
Claims (1)
電源回路において、前記出力端子が短絡した場合
、所定周期で前記出力端子に流れる電流をカツト
する手段を設けたことを特徴とする安定化電源回
路。 A stabilized power supply circuit that obtains a stabilized output voltage at an output terminal, characterized in that the stabilized power supply circuit is provided with means for cutting off the current flowing to the output terminal at a predetermined period when the output terminal is short-circuited. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14220289U JPH0382417U (en) | 1989-12-08 | 1989-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14220289U JPH0382417U (en) | 1989-12-08 | 1989-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0382417U true JPH0382417U (en) | 1991-08-22 |
Family
ID=31689041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14220289U Pending JPH0382417U (en) | 1989-12-08 | 1989-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0382417U (en) |
-
1989
- 1989-12-08 JP JP14220289U patent/JPH0382417U/ja active Pending