JPH03127481U - - Google Patents
Info
- Publication number
- JPH03127481U JPH03127481U JP3603390U JP3603390U JPH03127481U JP H03127481 U JPH03127481 U JP H03127481U JP 3603390 U JP3603390 U JP 3603390U JP 3603390 U JP3603390 U JP 3603390U JP H03127481 U JPH03127481 U JP H03127481U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- switching element
- capacitor
- diode
- converter
- 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 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の原理図、第２図は本考案の１
実施例の回路（フライバツクコンバータの回路例
）、第３図は従来の自励形ＤＣ−ＤＣコンバータ
（ＲＣＣ）、第４図は従来の他励形ＤＣ−ＤＣコ
ンバータ、第５図は従来の変形ＤＣ−ＤＣコンバ
ータを示した図である。
Ｔ……トランス、ＳＷ……スイツチング素子、
Ｄ……ダイオード、Ｃ……コンデンサ、Ｖｉ……
入力電圧、５……制御用ＩＣ。
Figure 1 is a diagram of the principle of the present invention, Figure 2 is a diagram of the principle of the present invention.
Example circuit (circuit example of a flyback converter), Fig. 3 shows a conventional self-excited DC-DC converter (RCC), Fig. 4 shows a conventional separately-excited DC-DC converter, and Fig. 5 shows a conventional separately excited DC-DC converter. It is a diagram showing a modified DC-DC converter. T...transformer, SW...switching element,
D...Diode, C...Capacitor, Vi...
Input voltage, 5...Control IC.
Claims (1)
Ｔと、 上記トランスＴに接続したスイツチング素子Ｓ
Ｗと、 上記スイツチング素子ＳＷをオン／オフ制御す
る制御用ＩＣ５とを設けた他励形のＤＣ−ＤＣコ
ンバータにおいて、 上記トランスＴとスイツチング素子ＳＷとの接
続点に、ダイオードＤを接続すると共に、 上記ダイオードＤの整流出力電流により充電を
行うコンデンサＣを設け、 上記コンデンサＣの充電電圧を、制御用ＩＣ５
の電源として供給することを特徴としたＤＣ−Ｄ
Ｃコンバータ。[Claims for Utility Model Registration] A transformer T to which a DC input voltage Vi is applied to one end, and a switching element S connected to the transformer T.
In a separately excited type DC-DC converter including a control IC 5 for controlling on/off of the switching element SW, a diode D is connected to the connection point between the transformer T and the switching element SW, and A capacitor C is provided which is charged by the rectified output current of the diode D, and the charging voltage of the capacitor C is controlled by the control IC 5.
DC-D, which is characterized by being supplied as a power source for
C converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3603390U JPH03127481U (en) | 1990-04-03 | 1990-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3603390U JPH03127481U (en) | 1990-04-03 | 1990-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03127481U true JPH03127481U (en) | 1991-12-20 |
Family
ID=31541910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3603390U Pending JPH03127481U (en) | 1990-04-03 | 1990-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03127481U (en) |
-
1990
- 1990-04-03 JP JP3603390U patent/JPH03127481U/ja active Pending
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