JPH0164985U - - Google Patents
Info
- Publication number
- JPH0164985U JPH0164985U JP1987160108U JP16010887U JPH0164985U JP H0164985 U JPH0164985 U JP H0164985U JP 1987160108 U JP1987160108 U JP 1987160108U JP 16010887 U JP16010887 U JP 16010887U JP H0164985 U JPH0164985 U JP H0164985U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- whose
- switching transistor
- capacitor
- switching
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案を実施したスイツチング電源回
路を示す図、第２図はその動作波形図、第３図及
び第４図は夫々異なる従来例を示す図である。
Ｌ……チヨークコイル、ｌ……電源ライン、Ｑ
１……スイツチングトランジスタ、Ｄ１……転流
ダイオード、Ｃ１……平滑用コンデンサ、Ｒｌ…
…負荷。
FIG. 1 shows a switching power supply circuit embodying the present invention, FIG. 2 shows its operating waveforms, and FIGS. 3 and 4 show different conventional examples. L...Chiyoke coil, l...Power line, Q
1 ...Switching transistor, D1 ...Commuting diode, C1 ...Smoothing capacitor, Rl...
…load.
Claims (1)
にコレクタがチヨークコイルを介して電源ライン
に接続されたスイツチングトランジスタと、一端
が前記電源ラインに接続され、他端が転流ダイオ
ードを介して前記スイツチングトランジスタのコ
レクタに接続された平滑用コンデンサを備え、前
記コンデンサの両端間の電圧を負荷に供給するよ
うにしたスイツチング電源回路。 A switching transistor whose base is supplied with a switching signal and whose collector is connected to a power supply line via a choke coil, and a switching transistor whose one end is connected to the power supply line and whose other end is connected to the collector of the switching transistor via a free-wheeling diode. A switching power supply circuit comprising a smoothing capacitor connected to the capacitor and supplying the voltage across the capacitor to a load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160108U JPH0164985U (en) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987160108U JPH0164985U (en) | 1987-10-20 | 1987-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164985U true JPH0164985U (en) | 1989-04-26 |
Family
ID=31441884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987160108U Pending JPH0164985U (en) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164985U (en) |
-
1987
- 1987-10-20 JP JP1987160108U patent/JPH0164985U/ja active Pending