JPS60177683U - DC stabilized power supply - Google Patents
DC stabilized power supplyInfo
- Publication number
- JPS60177683U JPS60177683U JP6551784U JP6551784U JPS60177683U JP S60177683 U JPS60177683 U JP S60177683U JP 6551784 U JP6551784 U JP 6551784U JP 6551784 U JP6551784 U JP 6551784U JP S60177683 U JPS60177683 U JP S60177683U
- Authority
- JP
- Japan
- Prior art keywords
- current
- output
- circuit
- pulse width
- power supply
- 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
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図は本考案による直流安定化電源装置の一実施例を
示す回路図、第２図はこの装置の出力型 。
流対効率を示す特性図である。
４・・・主スイツチングトランジスタ、５・・・電流検
出回路、８・・・基準電圧、９・・・誤差増幅器、１１
・・・パルス幅変調回路、１２・・・定電流回路、１３
・・・駆動回路。FIG. 1 is a circuit diagram showing an embodiment of a DC stabilized power supply device according to the present invention, and FIG. 2 is an output type of this device. FIG. 3 is a characteristic diagram showing the flow efficiency. 4... Main switching transistor, 5... Current detection circuit, 8... Reference voltage, 9... Error amplifier, 11
... Pulse width modulation circuit, 12 ... Constant current circuit, 13
...Drive circuit.
Claims (1)
と、この誤差増幅器の出力に応じてパルス幅を変化し出
力するパルス幅変調回路と、このパルス幅変調回路の出
力を入力とし主スイツチングトランジスタを駆動する駆
動回路とを有する直流安定化電源装置において、前記主
スイツチングトランジスタに流れるコレクタ電流を検出
し二のコレクタ電流の大きさに応じた電圧を出力する電
流検出回路と、この電流検出回路の出力に応じて電流を
変化し前記駆動回路へ供給する定電流回路とを備えたこ
とを特徴とする直流安定化電源装置。An error amplifier that amplifies and outputs the difference between the output voltage and a reference voltage, a pulse width modulation circuit that changes the pulse width according to the output of this error amplifier, and a main switch that uses the output of this pulse width modulation circuit as input. a current detection circuit that detects the collector current flowing through the main switching transistor and outputs a voltage according to the magnitude of the collector current; A DC stabilized power supply device comprising: a constant current circuit that changes current according to the output of the detection circuit and supplies the current to the drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6551784U JPS60177683U (en) | 1984-05-07 | 1984-05-07 | DC stabilized power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6551784U JPS60177683U (en) | 1984-05-07 | 1984-05-07 | DC stabilized power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60177683U true JPS60177683U (en) | 1985-11-26 |
Family
ID=30597582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6551784U Pending JPS60177683U (en) | 1984-05-07 | 1984-05-07 | DC stabilized power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60177683U (en) |
-
1984
- 1984-05-07 JP JP6551784U patent/JPS60177683U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5981113U (en) | Output power control circuit | |
| JPS60177683U (en) | DC stabilized power supply | |
| JPS60177684U (en) | DC stabilized power supply | |
| JPS5927612U (en) | AC amplifier | |
| JPS6034620U (en) | Overcurrent protection circuit | |
| JPS61123683U (en) | ||
| JPS60192693U (en) | DC constant voltage power supply | |
| JPS59192720U (en) | constant current source circuit | |
| JPS58122120U (en) | Inrush current prevention circuit | |
| JPS5828320U (en) | DC stabilized power supply circuit | |
| JPS5868746U (en) | Audio output amplifier power supply circuit | |
| JPS5819509U (en) | Oscillation circuit device | |
| JPS5839614U (en) | high voltage power supply | |
| JPS593790U (en) | power circuit | |
| JPS58155118U (en) | Operation control circuit for power amplifier circuit | |
| JPS58148754U (en) | tape recorder | |
| JPS6130118U (en) | power supply | |
| JPS60116726U (en) | electronic volume | |
| JPS6020623U (en) | DC power supply | |
| JPS5846172U (en) | Saturation voltage detection circuit | |
| JPS61331U (en) | load drive circuit | |
| JPS60190134U (en) | overcurrent detector | |
| JPS58132438U (en) | Control circuit for photocoupler | |
| JPS5858621U (en) | DC stabilized power supply | |
| JPS5970215U (en) | AC power equipment |