JPH0171985U - - Google Patents
Info
- Publication number
- JPH0171985U JPH0171985U JP1987167946U JP16794687U JPH0171985U JP H0171985 U JPH0171985 U JP H0171985U JP 1987167946 U JP1987167946 U JP 1987167946U JP 16794687 U JP16794687 U JP 16794687U JP H0171985 U JPH0171985 U JP H0171985U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- field effect
- effect transistor
- control signal
- 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
- 238000003079 width control Methods 0.000 claims description 3
- 230000005669 field effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案に係るＤＣ―ＤＣコンバータの
実施例を示す回路図、第２図は従来のＤＣ―ＤＣ
コンバータの実施例を示す回路図、第３図はＭＯ
ＳＦＥＴの動作特性図、第４図は第１図の動作を
説明するための波形図、第５図は本考案に係る第
２の実施例を示す回路図である。
図において、１はＭＯＳＦＥＴ、２はチヨーク
コイル、３はコンデンサ、４はフライホイール・
ダイオード、５はパルス幅制御回路、６はドライ
ブ回路、７，８，９，１３，１４，１９，２０，
及び２１はトランジスタ、１０，１２及び２２〜
２９は抵抗器、１１はゲート電圧発生回路、１５
及び１８はコンデンサ、１６及び１７はダイオー
ドである。
Fig. 1 is a circuit diagram showing an embodiment of the DC-DC converter according to the present invention, and Fig. 2 is a circuit diagram showing a conventional DC-DC converter.
A circuit diagram showing an embodiment of the converter, Figure 3 is MO
FIG. 4 is a waveform diagram for explaining the operation of FIG. 1, and FIG. 5 is a circuit diagram showing a second embodiment of the present invention. In the figure, 1 is a MOSFET, 2 is a choke coil, 3 is a capacitor, and 4 is a flywheel.
Diode, 5 is a pulse width control circuit, 6 is a drive circuit, 7, 8, 9, 13, 14, 19, 20,
and 21 are transistors, 10, 12 and 22-
29 is a resistor, 11 is a gate voltage generation circuit, 15
and 18 are capacitors, and 16 and 17 are diodes.
Claims (1)
動するための制御信号を発生するパルス幅制御回
路と、 前記制御信号から前記電界効果トランジスタの
ゲートに印加する電圧を発生する電圧発生回路と
、 前記パルス幅制御回路からの制御信号により、
前記電圧発生回路の出力電圧を、前記電界効果ト
ランジスタのゲートに印加するドライブ回路とを
備えたことを特徴とするＤＣ―ＤＣコンバータ。[Claims for Utility Model Registration] A pulse width control circuit that generates a control signal for driving a MOS field effect transistor in a pulsed manner, and a voltage that generates a voltage to be applied to the gate of the field effect transistor from the control signal. With the control signal from the generation circuit and the pulse width control circuit,
A DC-DC converter comprising: a drive circuit that applies the output voltage of the voltage generating circuit to the gate of the field effect transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167946U JPH0171985U (en) | 1987-11-04 | 1987-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167946U JPH0171985U (en) | 1987-11-04 | 1987-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171985U true JPH0171985U (en) | 1989-05-15 |
Family
ID=31456695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167946U Pending JPH0171985U (en) | 1987-11-04 | 1987-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05304768A (en) * | 1992-02-25 | 1993-11-16 | Yutaka Denki Seisakusho:Kk | Dc-dc converter |
-
1987
- 1987-11-04 JP JP1987167946U patent/JPH0171985U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05304768A (en) * | 1992-02-25 | 1993-11-16 | Yutaka Denki Seisakusho:Kk | Dc-dc converter |
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