JPS5966383U - switching power supply - Google Patents
switching power supplyInfo
- Publication number
- JPS5966383U JPS5966383U JP16222982U JP16222982U JPS5966383U JP S5966383 U JPS5966383 U JP S5966383U JP 16222982 U JP16222982 U JP 16222982U JP 16222982 U JP16222982 U JP 16222982U JP S5966383 U JPS5966383 U JP S5966383U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- switching power
- switching
- drive stop
- 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.)
- Granted
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図は従来のスイッチング電源装置の回路図であり、
第２図は本考案のスイッチング電源装置の実施例を示す
回路図であり、第３図は本考案のスイッチング電源装置
の他の実施例を示す回路図である。
１・・・・・・交流源、２，９・・・・・・整流回路、
３，８・・・・・・制御回路、４． ４’、 ７．
７’・・・・・・出力端、５・・・・・・検出回路、６
・・・・・・駆動停止回路、Ｑｌ、 Ｑ２゜Ｑ３・・・
・・・トランジスタ、Ｌｌ、Ｌ２・・・・・・チョーク
コイル、ｃｌ、、Ｃ３，Ｃ４・・・・・・平滑コンデン
サ、Ｃ２・・・・・・コンデンサ、Ｄｌ、Ｄ４・・・・
・・フライホイールダイオード、Ｄ２・・・・・・ダイ
オード、Ｄ３゜Ｄ５・・・・・・整流ダイオード、ｚｌ
、ｚ２．ｚ３・・・・・・ツェナダイオード、Ｒ１−Ｒ
６・・・・・・抵抗、５Ａ−−−−・・サイリスタ、Ｓ
・・・・・・基準電源。Figure 1 is a circuit diagram of a conventional switching power supply.
FIG. 2 is a circuit diagram showing an embodiment of the switching power supply device of the present invention, and FIG. 3 is a circuit diagram showing another embodiment of the switching power supply device of the present invention. 1... AC source, 2, 9... Rectifier circuit,
3, 8...control circuit, 4. 4', 7.
7'... Output end, 5... Detection circuit, 6
・・・・・・Drive stop circuit, Ql, Q2゜Q3...
...Transistor, Ll, L2...Choke coil, cl,, C3, C4...Smoothing capacitor, C2...Capacitor, Dl, D4...
...Flywheel diode, D2...Diode, D3゜D5...Rectifier diode, zl
, z2. z3... Zener diode, R1-R
6...Resistor, 5A----Thyristor, S
...Reference power supply.
Claims (2)
するための検出回路、該検出回路の信号によりスイッチ
素子の制御回路の駆動を停止させるための駆動停止回路
を有することを特徴とす、 るスイッチング電源装置
。(1) Switching characterized by having a detection circuit for detecting a predetermined flyback voltage of a choke coil, and a drive stop circuit for stopping driving of a control circuit of a switching element based on a signal from the detection circuit. power supply.
用新案登録請求の範囲第１項記載のスイッチング電源装
置。(2) The switching power supply device according to claim 1, wherein the drive stop circuit also serves as an overvoltage protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16222982U JPS5966383U (en) | 1982-10-26 | 1982-10-26 | switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16222982U JPS5966383U (en) | 1982-10-26 | 1982-10-26 | switching power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5966383U true JPS5966383U (en) | 1984-05-04 |
| JPH0119589Y2 JPH0119589Y2 (en) | 1989-06-06 |
Family
ID=30356305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16222982U Granted JPS5966383U (en) | 1982-10-26 | 1982-10-26 | switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5966383U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03135364A (en) * | 1989-10-18 | 1991-06-10 | Hitachi Ltd | Power circuit equipped with open protecting circuit |
| JP2011083104A (en) * | 2009-10-06 | 2011-04-21 | Rohm Co Ltd | Step-down switching regulator and semiconductor integrated circuit device including the same |
| JP2017011866A (en) * | 2015-06-22 | 2017-01-12 | セイコーエプソン株式会社 | Circuit device and electronic apparatus |
| JP2017011867A (en) * | 2015-06-22 | 2017-01-12 | セイコーエプソン株式会社 | Circuit device and electronic apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016167918A (en) * | 2015-03-09 | 2016-09-15 | オムロンオートモーティブエレクトロニクス株式会社 | Voltage conversion device |
-
1982
- 1982-10-26 JP JP16222982U patent/JPS5966383U/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03135364A (en) * | 1989-10-18 | 1991-06-10 | Hitachi Ltd | Power circuit equipped with open protecting circuit |
| JP2011083104A (en) * | 2009-10-06 | 2011-04-21 | Rohm Co Ltd | Step-down switching regulator and semiconductor integrated circuit device including the same |
| JP2017011866A (en) * | 2015-06-22 | 2017-01-12 | セイコーエプソン株式会社 | Circuit device and electronic apparatus |
| JP2017011867A (en) * | 2015-06-22 | 2017-01-12 | セイコーエプソン株式会社 | Circuit device and electronic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0119589Y2 (en) | 1989-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS59189486U (en) | DC power supply | |
| JPS5966383U (en) | switching power supply | |
| JPS5975784U (en) | switching power supply | |
| JPS61192309U (en) | ||
| JPS6089784U (en) | Chiyotupa type switching power supply circuit | |
| JPS6077286U (en) | switching power supply | |
| JPS6059793U (en) | power supply | |
| JPS6066286U (en) | Switching regulator drive device | |
| JPS5981286U (en) | Switching control type power supply | |
| JPS58107629U (en) | switch drive circuit | |
| JPS58176593U (en) | self-excited inverter | |
| JPS60111385U (en) | Central cleaner remote control device | |
| JPS63160088U (en) | ||
| JPS5895195U (en) | Self-excited voltage converter | |
| JPS59122787U (en) | Switching regulator | |
| JPS5846171U (en) | Saturation voltage detection circuit | |
| JPS5966384U (en) | DC voltage conversion circuit | |
| JPS59185993U (en) | switching regulator | |
| JPS58166246U (en) | Motor overload detection device | |
| JPS6074181U (en) | Flicker prevention circuit when powering on/off the FL meter | |
| JPS59122786U (en) | Switching regulator | |
| JPS6014680U (en) | Power supply circuit for electronic equipment | |
| JPS60141688U (en) | power supply | |
| JPS593789U (en) | Ringing choke converter | |
| JPS59169619U (en) | Output voltage detection circuit for high voltage power supply |