JPS6435406U - - Google Patents
Info
- Publication number
- JPS6435406U JPS6435406U JP12820287U JP12820287U JPS6435406U JP S6435406 U JPS6435406 U JP S6435406U JP 12820287 U JP12820287 U JP 12820287U JP 12820287 U JP12820287 U JP 12820287U JP S6435406 U JPS6435406 U JP S6435406U
- Authority
- JP
- Japan
- Prior art keywords
- forward converter
- power supply
- supply device
- voltage
- resistors
- 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
- 239000004575 stone Substances 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
- Dc-Dc Converters (AREA)
Description
第1図はこの考案による電源装置の一実施例の
回路構成図、第2図は従来の電源装置の回路構成
図である。
図において、1は一次電源、2はパルス幅制御
回路、3はトランス、4はスイツチング素子、5
,6,7はダイオード、8はリアクタ、9はコン
デンサ、10はトランジスタ、11はシリーズレ
ギユレータ制御回路、12はバイアス用抵抗、1
3,14は出力電圧検出用の抵抗、15,16は
バイアス分圧用の抵抗、17は定電圧ダイオード
である。なお各図中同一符号は、同一または相当
部分を示す。
FIG. 1 is a circuit diagram of an embodiment of the power supply device according to this invention, and FIG. 2 is a circuit diagram of a conventional power supply device. In the figure, 1 is a primary power supply, 2 is a pulse width control circuit, 3 is a transformer, 4 is a switching element, 5
, 6 and 7 are diodes, 8 is a reactor, 9 is a capacitor, 10 is a transistor, 11 is a series regulator control circuit, 12 is a bias resistor, 1
3 and 14 are resistors for detecting output voltage, 15 and 16 are resistors for bias voltage division, and 17 is a constant voltage diode. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
コンバータの出力端に接続したトランジスタと、
このトランジスタのベースにつながるシリーズレ
ギユレータ制御回路と、一石フオワードコンバー
タの出力端と上記トランジスタのベースの間に接
続したバイアス用の抵抗と、電源装置の出力端子
間に接続した出力電圧検出用の抵抗とから成る電
源装置において、直列に接続した2つのバイアス
用抵抗と、この2つの抵抗の接続点にカソードを
接続し、かつアノードを上記一石フオワードコン
バータの出力端の側に接続した定電圧ダイオー
ドとを有し、電源装置を無負荷にし、一石フオワ
ードコンバータの出力電圧が上昇した時のみ上記
の定電圧ダイオードに電流が流れる様に上記の抵
抗2本の定数と定電圧ダイオードのソエナー電圧
とを設定した事を特徴とする電源装置。 A single-stone forward converter, a transistor connected to the output end of the single-stone forward converter,
A series regulator control circuit connected to the base of this transistor, a bias resistor connected between the output terminal of the single-stone forward converter and the base of the above transistor, and an output voltage detection circuit connected between the output terminal of the power supply device. A power supply device consisting of two bias resistors connected in series, a constant whose cathode is connected to the connection point of these two resistors, and whose anode is connected to the output end side of the single-stone forward converter. The constant voltage of the above two resistors and the constant voltage diode are set so that the power supply device is unloaded and the current flows to the voltage regulator diode only when the output voltage of the single-channel forward converter increases. A power supply device characterized by setting a voltage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12820287U JPS6435406U (en) | 1987-08-24 | 1987-08-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12820287U JPS6435406U (en) | 1987-08-24 | 1987-08-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6435406U true JPS6435406U (en) | 1989-03-03 |
Family
ID=31381316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12820287U Pending JPS6435406U (en) | 1987-08-24 | 1987-08-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6435406U (en) |
-
1987
- 1987-08-24 JP JP12820287U patent/JPS6435406U/ja active Pending