JPH01134986U - - Google Patents
Info
- Publication number
- JPH01134986U JPH01134986U JP2973888U JP2973888U JPH01134986U JP H01134986 U JPH01134986 U JP H01134986U JP 2973888 U JP2973888 U JP 2973888U JP 2973888 U JP2973888 U JP 2973888U JP H01134986 U JPH01134986 U JP H01134986U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- state
- voltage
- primary
- 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.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図はこの考案の一実施例の回路図、第２図
はそのタイムチヤート、第３図は従来例の回路図
である。
２は安全回路、ＴＲ３はトランジスタ（スイツ
チング素子）、Ｒ４，Ｃ４は抵抗、コンデンサ（
制御回路）、３はトランス、３１は二次側第１コ
イル、３２は一次側コイル、３３は二次側第２コ
イル、ＴＲ１，ＴＲ２はトランジスタ。
FIG. 1 is a circuit diagram of an embodiment of this invention, FIG. 2 is a time chart thereof, and FIG. 3 is a circuit diagram of a conventional example. 2 is a safety circuit, TR3 is a transistor (switching element), R4 and C4 are resistors and capacitors (
3 is a transformer, 31 is a first coil on the secondary side, 32 is a primary coil, 33 is a second coil on the secondary side, and TR1 and TR2 are transistors.
Claims (1)
接続された一次側コイル３２と、二次側第２コイ
ル３３とからなるトランス３を備え、前記一次側
コイル３２に前記二次側第２コイル３３に発生す
る電圧が正帰還され、前記二次側第１コイル３１
及び一次側コイル３２に直流電圧を印加すること
によつて発振を開始し、直流電圧を出力するＤＣ
―ＤＣコンバータであつて、前記二次側第１コイ
ル３１は、前記一次側コイル３２に流れる電流を
ＯＮ・ＯＦＦ制御するスイツチング素子ＴＲ３と
、該スイツチング素子ＴＲ３のＯＮ状態及びＯＦ
Ｆ状態を、前記二次側第１コイル３１に流れ込む
電流の一部を積分し、その積分値の大きさで切換
制御する制御回路Ｒ４，Ｃ４とが接続されてなる
ことを特徴とするＤＣ―ＤＣコンバータ。 The transformer 3 includes a first secondary coil 31, a primary coil 32 connected to the first coil 31, and a second secondary coil 33. The voltage generated in the second coil 33 is positively fed back to the secondary first coil 31.
and a DC that starts oscillation by applying a DC voltage to the primary coil 32 and outputs a DC voltage.
- It is a DC converter, and the secondary side first coil 31 includes a switching element TR3 that controls ON/OFF of the current flowing through the primary side coil 32, and an ON state and an OFF state of the switching element TR3.
The DC-F state is connected to control circuits R4 and C4 that integrate a part of the current flowing into the first secondary coil 31 and control switching according to the magnitude of the integrated value. DC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2973888U JPH0619330Y2 (en) | 1988-03-08 | 1988-03-08 | DC-DC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2973888U JPH0619330Y2 (en) | 1988-03-08 | 1988-03-08 | DC-DC converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01134986U true JPH01134986U (en) | 1989-09-14 |
| JPH0619330Y2 JPH0619330Y2 (en) | 1994-05-18 |
Family
ID=31254203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2973888U Expired - Lifetime JPH0619330Y2 (en) | 1988-03-08 | 1988-03-08 | DC-DC converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0619330Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010259283A (en) * | 2009-04-28 | 2010-11-11 | New Japan Radio Co Ltd | Switching power supply |
-
1988
- 1988-03-08 JP JP2973888U patent/JPH0619330Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010259283A (en) * | 2009-04-28 | 2010-11-11 | New Japan Radio Co Ltd | Switching power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0619330Y2 (en) | 1994-05-18 |