JPH0275988U - - Google Patents
Info
- Publication number
- JPH0275988U JPH0275988U JP15393188U JP15393188U JPH0275988U JP H0275988 U JPH0275988 U JP H0275988U JP 15393188 U JP15393188 U JP 15393188U JP 15393188 U JP15393188 U JP 15393188U JP H0275988 U JPH0275988 U JP H0275988U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- diode
- cathode
- switching
- coil
- 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 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dc-Dc Converters (AREA)
Description
第1図は本考案の一実施例の回路構成図、第2
図は本考案にかかる回路構成各部の動作タイムチ
ヤート、第3図a,bは従来の例の回路構成図、
第4図は従来例の動作を示す波形図である。
1……入力直流電源、9,14……コンデンサ
、10……負荷、12,17……チヨークコイル
、15,21,23,24……ダイオード、18
……制御回路、22,25……スイツチングトラ
ンジスタ。
Figure 1 is a circuit configuration diagram of an embodiment of the present invention;
The figure is an operation time chart of each part of the circuit configuration according to the present invention, and Figures 3a and 3b are circuit configuration diagrams of a conventional example.
FIG. 4 is a waveform diagram showing the operation of the conventional example. 1... Input DC power supply, 9, 14... Capacitor, 10... Load, 12, 17... Chi York coil, 15, 21, 23, 24... Diode, 18
...Control circuit, 22, 25...Switching transistor.
Claims (1)
スイツチング素子と第1のコイルとの直列回路と
、前記第1のスイツチング素子と第1のコイルと
の接続点にカソードが接続され、グランドにアノ
ードが接続される第1のダイオードとを備え、前
記第1のスイツチング素子をスイツチング動作さ
せることにより負荷へ出力直流電圧を供給する入
出力非絶縁形スイツチング電源において、前記入
力直流電源と第1のスイツチング素子との間に接
続される第2のコイルと第2のダイオードとの直
列回路であつて、前記第2のダイオードのカソー
ドが前記第1のスイツチング素子と接続される直
列回路と、前記第2のダイオードのアノードと前
記グランドとの間に接続される第2のスイツチン
グ素子と、前記第2のダイオードのカソードと前
記グランドとの間に接続されるコンデンサと、前
記第2のスイツチング素子のオン・オフ動作が前
記第1のスイツチング素子のオン・オフ動作と同
相になるように制御する制御手段とを備えたこと
を特徴とする入出力非絶縁形スイツチング電源。 A series circuit of a first switching element and a first coil is connected between an input DC power source and a load, and a cathode is connected to a connection point between the first switching element and the first coil, and the cathode is connected to the ground. a first diode, the anode of which is connected to the first diode, and an input/output non-isolated switching power supply that supplies an output DC voltage to a load by switching the first switching element; a series circuit of a second coil and a second diode connected between the switching element, the series circuit including a cathode of the second diode connected to the first switching element; a second switching element connected between the anode of the second diode and the ground; a capacitor connected between the cathode of the second diode and the ground; An input/output non-isolated switching power supply comprising: control means for controlling the on/off operation so that the on/off operation is in phase with the on/off operation of the first switching element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15393188U JPH0275988U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15393188U JPH0275988U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0275988U true JPH0275988U (en) | 1990-06-11 |
Family
ID=31430204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15393188U Pending JPH0275988U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0275988U (en) |
-
1988
- 1988-11-25 JP JP15393188U patent/JPH0275988U/ja active Pending