JPH0397385U - - Google Patents
Info
- Publication number
- JPH0397385U JPH0397385U JP470590U JP470590U JPH0397385U JP H0397385 U JPH0397385 U JP H0397385U JP 470590 U JP470590 U JP 470590U JP 470590 U JP470590 U JP 470590U JP H0397385 U JPH0397385 U JP H0397385U
- Authority
- JP
- Japan
- Prior art keywords
- inductor
- power supply
- capacitor
- diode
- switching element
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案に係る昇圧型スイツチング電源
回路の一実施例を示す回路図、第２図は第１図の
回路の各部での波形図である。第３図は昇圧型ス
イツチング電源回路の従来例を示す回路図である
。
１２……電源、１３……スイツチング素子、１
５……インダクタ、１９……ダイオード、２０…
…コンデンサ、Ｐ……接続点。
FIG. 1 is a circuit diagram showing an embodiment of a step-up switching power supply circuit according to the present invention, and FIG. 2 is a waveform diagram at each part of the circuit shown in FIG. FIG. 3 is a circuit diagram showing a conventional example of a step-up switching power supply circuit. 12...Power supply, 13...Switching element, 1
5...Inductor, 19...Diode, 20...
...Capacitor, P...Connection point.
Claims (1)
し、上記スイツチング素子のＯＮ−ＯＦＦにより
電源電圧を、インダクタに発生した逆起電圧分昇
圧して出力電圧を取出すようにした昇圧型スイツ
チング電源回路であつて、 上記インダクタにダイオード及びコンデンサの
直列回路を並列接続し、上記ダイオードとコンデ
ンサとの接続点から出力電圧を取出したことを特
徴とする昇圧型スイツチング電源回路。[Claims for Utility Model Registration] A booster in which an inductor is connected between a power source and a switching element, and when the switching element is turned ON and OFF, the power supply voltage is boosted by the back electromotive force generated in the inductor to obtain an output voltage. 1. A step-up switching power supply circuit characterized in that a series circuit of a diode and a capacitor is connected in parallel to the inductor, and an output voltage is obtained from a connection point between the diode and the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990004705U JPH083195Y2 (en) | 1990-01-22 | 1990-01-22 | Step-up switching power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990004705U JPH083195Y2 (en) | 1990-01-22 | 1990-01-22 | Step-up switching power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0397385U true JPH0397385U (en) | 1991-10-07 |
| JPH083195Y2 JPH083195Y2 (en) | 1996-01-29 |
Family
ID=31508440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990004705U Expired - Lifetime JPH083195Y2 (en) | 1990-01-22 | 1990-01-22 | Step-up switching power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH083195Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6270685U (en) * | 1985-10-23 | 1987-05-06 |
-
1990
- 1990-01-22 JP JP1990004705U patent/JPH083195Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6270685U (en) * | 1985-10-23 | 1987-05-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH083195Y2 (en) | 1996-01-29 |