JPS6251981U - - Google Patents
Info
- Publication number
- JPS6251981U JPS6251981U JP14336685U JP14336685U JPS6251981U JP S6251981 U JPS6251981 U JP S6251981U JP 14336685 U JP14336685 U JP 14336685U JP 14336685 U JP14336685 U JP 14336685U JP S6251981 U JPS6251981 U JP S6251981U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- input power
- transformer
- power supply
- collector
- 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 6
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第1図は本考案一実施例のブロツク構成図。第
2図は従来例のブロツク構成図。
1…入力電源(Vi)、2…入力電圧監視回路
、3…起動抵抗、4…トランジスタ、5…トラン
ス(NP:一次巻線、NB:帰還巻線、NS:二
次巻線)、6…制御回路、7…制御回路のうちの
ベース電流制限回路、8,9…ベース抵抗(RB
1,RB2)、10…開閉素子、11…整流ダイ
オード、12…出力平滑コンデンサ、13…負荷
。
FIG. 1 is a block diagram of an embodiment of the present invention. FIG. 2 is a block diagram of a conventional example. 1... Input power supply (V i ), 2... Input voltage monitoring circuit, 3... Starting resistor, 4... Transistor, 5... Transformer (NP: primary winding, NB: feedback winding, NS: secondary winding), 6 ...Control circuit, 7...Base current limiting circuit of the control circuit, 8, 9...Base resistance (RB
1 , RB2 ), 10... Switching element, 11... Rectifier diode, 12... Output smoothing capacitor, 13... Load.
Claims (1)
するトランジスタと、 このトランジスタのコレクタおよびエミツタ回
路を通過した電流が一次巻線に接続され、二次巻
線が負荷に接続されたトランスと を備え、 このトランスの三次巻線の電圧が上記トランジ
スタのベースに自励発振する位相で接続された リンギングチヨークコンバータにおいて、 上記トランジスタのベース回路に接続された抵
抗器と、 上記入力電源に接続されこの入力電源の電圧に
したがつて上記抵抗器の値を段階的に変更する手
段と を備えたことを特徴とするリンギングチヨークコ
ンバータ。[Claim for Utility Model Registration] A transistor in which the input power supply current passes through the collector and emitter circuit, the current passing through the collector and emitter circuit of this transistor is connected to the primary winding, and the secondary winding is connected to the load. A ringing chain converter is provided with a transformer, and the voltage of the tertiary winding of the transformer is connected to the base of the transistor in a self-oscillating phase, a resistor connected to the base circuit of the transistor, and the input power source. and means for changing the value of the resistor in stages according to the voltage of the input power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14336685U JPS6251981U (en) | 1985-09-18 | 1985-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14336685U JPS6251981U (en) | 1985-09-18 | 1985-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6251981U true JPS6251981U (en) | 1987-03-31 |
Family
ID=31052982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14336685U Pending JPS6251981U (en) | 1985-09-18 | 1985-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6251981U (en) |
-
1985
- 1985-09-18 JP JP14336685U patent/JPS6251981U/ja active Pending