JPS58108780U - Switching regulator with multiple outputs - Google Patents
Switching regulator with multiple outputsInfo
- Publication number
- JPS58108780U JPS58108780U JP590182U JP590182U JPS58108780U JP S58108780 U JPS58108780 U JP S58108780U JP 590182 U JP590182 U JP 590182U JP 590182 U JP590182 U JP 590182U JP S58108780 U JPS58108780 U JP S58108780U
- Authority
- JP
- Japan
- Prior art keywords
- output
- switching regulator
- transformer
- high frequency
- multiple 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.)
- Granted
Links
Landscapes
- Dc-Dc Converters (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図は従来例を説明する回路図、第２図は本考案を説
明する回路図である。
１は整流平滑回路、２はパルス発振回路１．３はスイッ
チングトランジスタ、４はトランス、５は誤差増巾器、
６はパルス巾変調回路、７はプリーダ抵抗、９は電圧検
出回路、１０はツェナーダイオード、１１は抵抗である
。FIG. 1 is a circuit diagram for explaining a conventional example, and FIG. 2 is a circuit diagram for explaining the present invention. 1 is a rectifier and smoothing circuit, 2 is a pulse oscillation circuit, 3 is a switching transistor, 4 is a transformer, 5 is an error amplifier,
6 is a pulse width modulation circuit, 7 is a leader resistor, 9 is a voltage detection circuit, 10 is a Zener diode, and 11 is a resistor.
Claims (1)
チング素子と制御回路とを備え、該制御回路から出力さ
れる高周波制御パルスを前記スイッチング素子に印加し
て高周波交流電圧を形成し該高周波交流電圧を前記トラ
ンスの１次側に印加して２次側に複数の安定化電源を得
るスイッチングレギュレータに於いて、前記トランスの
−の出力の電圧変動を検出して前記高周波制御パルスの
パルス巾変調をして安定化を行い、前記−の出力より高
い電圧の他の出力と前記−の出力間にツェナーダイオー
ドを接続し前記能の出力が過大になると前記ツェナーダ
イオードを導通させて前記−の出力を低減することを特
徴とする複数出力を有するスイッチングレギュレータ。A rectifying and smoothing circuit connected to an AC power source, a transformer, a switching element, and a control circuit are provided, and a high frequency control pulse outputted from the control circuit is applied to the switching element to form a high frequency AC voltage. In a switching regulator that is applied to the primary side of the transformer to obtain a plurality of stabilized power sources on the secondary side, the voltage fluctuation of the - output of the transformer is detected and the pulse width modulation of the high frequency control pulse is performed. A Zener diode is connected between another output with a higher voltage than the output of the - output and the output of the - output, and when the output of the output becomes excessive, the Zener diode is made conductive to reduce the output of the - output. A switching regulator having multiple outputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP590182U JPS58108780U (en) | 1982-01-19 | 1982-01-19 | Switching regulator with multiple outputs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP590182U JPS58108780U (en) | 1982-01-19 | 1982-01-19 | Switching regulator with multiple outputs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58108780U true JPS58108780U (en) | 1983-07-25 |
| JPH0223106Y2 JPH0223106Y2 (en) | 1990-06-22 |
Family
ID=30018693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP590182U Granted JPS58108780U (en) | 1982-01-19 | 1982-01-19 | Switching regulator with multiple outputs |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58108780U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6477471A (en) * | 1987-09-16 | 1989-03-23 | Nec Corp | Non-control system output voltage stabilizing circuit in cross regulation |
| JPH0246168A (en) * | 1988-08-03 | 1990-02-15 | Fujitsu Denso Ltd | Power supply equipment |
| JP2001333574A (en) * | 2000-05-22 | 2001-11-30 | Matsushita Electric Ind Co Ltd | Power supply protection circuit |
-
1982
- 1982-01-19 JP JP590182U patent/JPS58108780U/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6477471A (en) * | 1987-09-16 | 1989-03-23 | Nec Corp | Non-control system output voltage stabilizing circuit in cross regulation |
| JPH0246168A (en) * | 1988-08-03 | 1990-02-15 | Fujitsu Denso Ltd | Power supply equipment |
| JP2001333574A (en) * | 2000-05-22 | 2001-11-30 | Matsushita Electric Ind Co Ltd | Power supply protection circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0223106Y2 (en) | 1990-06-22 |
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