JPH0458087U - - Google Patents
Info
- Publication number
- JPH0458087U JPH0458087U JP9937590U JP9937590U JPH0458087U JP H0458087 U JPH0458087 U JP H0458087U JP 9937590 U JP9937590 U JP 9937590U JP 9937590 U JP9937590 U JP 9937590U JP H0458087 U JPH0458087 U JP H0458087U
- Authority
- JP
- Japan
- Prior art keywords
- winding
- field effect
- effect transistor
- output
- rectifier circuit
- 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
- 238000004804 winding Methods 0.000 claims description 17
- 230000005669 field effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案一実施例整流回路の回路図。第
２図は本考案の整流回路の各部分の電圧波形を示
す図。第３図は従来例の整流回路の回路図。第４
図は従来例の整流回路の各部分の電圧波形を示す
図。第５図はダイオードを用いた整流回路の回路
図。
１……スイツチ素子、２，３……電界効果トラ
ンジスタ、４……トランス、５……負荷、６……
チヨークコイル、７……コンデンサ、８，９……
抵抗、１０……制御回路、１１……直流電源、１
２，１３……ダイオード、ＮＬ１……チヨークコ
イルの主巻線、ＮＬ２，ＮＬ３……チヨークコイ
ルの駆動巻線、ＮＰ……トランスの入力巻線、Ｎ
Ｓ１，ＮＳ２……トランスの出力巻線、ＶＮＰ…
…交流電圧、ＶＮＳ１，ＶＮＳ２……トランスの
出力電圧、ＶＧＳ２，ＶＧＳ３……ゲート電圧。
FIG. 1 is a circuit diagram of a rectifier circuit according to an embodiment of the present invention. FIG. 2 is a diagram showing voltage waveforms at various parts of the rectifier circuit of the present invention. FIG. 3 is a circuit diagram of a conventional rectifier circuit. Fourth
The figure shows voltage waveforms at various parts of a conventional rectifier circuit. FIG. 5 is a circuit diagram of a rectifier circuit using diodes. 1... Switch element, 2, 3... Field effect transistor, 4... Transformer, 5... Load, 6...
Chiyoke coil, 7... Capacitor, 8, 9...
Resistor, 10... Control circuit, 11... DC power supply, 1
2, 13... Diode, NL 1 ... Main winding of Chiyoke coil, NL 2 , NL 3 ... Drive winding of Chiyoke coil, NP... Input winding of transformer, N
S 1 , NS 2 ...Transformer output winding, VNP...
...AC voltage, VNS 1 , VNS 2 ... Output voltage of transformer, VGS 2 , VGS 3 ... gate voltage.
Claims (1)
交流電圧を入力する入力巻線ＮＰおよび出力巻線
ＮＳ１で構成されたトランス４と、この出力巻線
の一方に出力にソースが接続された第一の電界効
果トランジスタ３と、上記出力巻線の他方の出力
にソースが接続されたドレインが上記第一の電界
効果トランジスタのドレインに接続された第二の
電界効果トランジスタ２と、上記第一の電界効果
トランジスタのドレインに主巻線ＮＬ１の入力が
接続され直流電圧を出力するチヨークコイル６と
を備え、 上記チヨークコイルは上記第一の電界効果トラ
ンジスタのソースとゲートとの間に第一の抵抗９
を介して挿入され上記主巻線と逆極性の第一の駆
動巻線ＮＬ１を含む 整流回路において、 上記チヨークコイルは上記第二の電界効果トラ
ンジスタのソースとゲートとの間に第二の抵抗８
を介して挿入され上記主巻線と同極性の第二の駆
動巻線ＮＬ３を備えた ことを特徴とする整流回路。 ２ 上記入力巻線と上記出力巻線とは上記スイツ
チ素子と第二の電界効果トランジスタとが同期動
作をするように同極性である請求項１記載の整流
回路。[Claims for Utility Model Registration] 1. A transformer 4 consisting of an input winding NP and an output winding NS1 into which the DC power supply 11 inputs the AC voltage converted by the switch element 1 , and one of the output windings. a first field effect transistor 3 having a source connected to its output; and a second field effect transistor 3 having a source connected to the other output of the output winding and a drain connected to the drain of the first field effect transistor. A transistor 2, and a chiyoke coil 6 which has an input of a main winding NL1 connected to the drain of the first field effect transistor and outputs a DC voltage, and the chiyoke coil connects the source and gate of the first field effect transistor. First resistance between 9
The rectifier circuit includes a first drive winding NL1 inserted through the main winding and having a polarity opposite to that of the main winding.
A rectifier circuit comprising a second drive winding NL3 inserted through the main winding and having the same polarity as the main winding. 2. The rectifier circuit according to claim 1, wherein the input winding and the output winding have the same polarity so that the switch element and the second field effect transistor operate synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9937590U JPH0458087U (en) | 1990-09-20 | 1990-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9937590U JPH0458087U (en) | 1990-09-20 | 1990-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0458087U true JPH0458087U (en) | 1992-05-19 |
Family
ID=31841250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9937590U Pending JPH0458087U (en) | 1990-09-20 | 1990-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0458087U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1052038A (en) * | 1996-05-20 | 1998-02-20 | Internatl Rectifier Corp | Power separation forward converter |
| JP2000341942A (en) * | 1999-05-27 | 2000-12-08 | Ntt Data Corp | Switching power supply and synchronous rectifier circuit |
| JP2003217953A (en) * | 2003-02-19 | 2003-07-31 | Ntt Data Corp | Power supply |
-
1990
- 1990-09-20 JP JP9937590U patent/JPH0458087U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1052038A (en) * | 1996-05-20 | 1998-02-20 | Internatl Rectifier Corp | Power separation forward converter |
| JP2000341942A (en) * | 1999-05-27 | 2000-12-08 | Ntt Data Corp | Switching power supply and synchronous rectifier circuit |
| JP2003217953A (en) * | 2003-02-19 | 2003-07-31 | Ntt Data Corp | Power supply |