JPH0171984U - - Google Patents
Info
- Publication number
- JPH0171984U JPH0171984U JP1987165983U JP16598387U JPH0171984U JP H0171984 U JPH0171984 U JP H0171984U JP 1987165983 U JP1987165983 U JP 1987165983U JP 16598387 U JP16598387 U JP 16598387U JP H0171984 U JPH0171984 U JP H0171984U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- diode
- output
- switching control
- switching transistor
- 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
- 238000009499 grossing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案になるスイツチングレギユレー
タの原理回路系統図、第２図は本考案の一実施例
の回路図、第３図は従来回路の回路系統図である
。
１０…集積回路（ＩＣ）、１１，１２…スイツ
チング回路、１３，１４…平滑部、Ｑ４，Ｑ６，
Ｑａ…ＰＮＰトランジスタ、Ｑ５，Ｑ７，Ｑｂ…
ＮＰＮトランジスタ、Ｄａ，Ｄ１〜Ｄ９…ダイオ
ード。
FIG. 1 is a circuit diagram of the principle of a switching regulator according to the present invention, FIG. 2 is a circuit diagram of an embodiment of the present invention, and FIG. 3 is a circuit diagram of a conventional circuit. 10... Integrated circuit (IC), 11, 12... Switching circuit, 13, 14... Smoothing section, Q 4 , Q 6 ,
Qa...PNP transistor, Q5 , Q7 , Qb...
NPN transistor, Da, D1 to D9 ...diode.
Claims (1)
ング制御信号によつてオン・オフされるスイツチ
ングトランジスタを用いて、直流入力をスイツチ
ングし、該スイツチングトランジスタの出力を平
滑化することにより所望電圧の直流出力を得るス
イツチングレギユレータにおいて、該スイツチン
グトランジスタのベースにダイオードの一端を接
続するとともに、該ダイオードの他端には該スイ
ツチング制御回路の出力端を接続し、該スイツチ
ング制御信号が該ダイオードを介して該スイツチ
ングトランジスタのベースへ供給される構成とし
たスイツチングレギユレータ。 DC input is switched using a switching transistor that is turned on and off by a switching control signal generated by a switching control circuit, and a DC output of a desired voltage is obtained by smoothing the output of the switching transistor. In the switching regulator, one end of a diode is connected to the base of the switching transistor, and the output end of the switching control circuit is connected to the other end of the diode, so that the switching control signal is transmitted through the diode. A switching regulator configured to be supplied to the base of the switching transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165983U JPH0171984U (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165983U JPH0171984U (en) | 1987-10-29 | 1987-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171984U true JPH0171984U (en) | 1989-05-15 |
Family
ID=31452963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987165983U Pending JPH0171984U (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0412664A (en) * | 1990-04-28 | 1992-01-17 | Mitsubishi Electric Corp | Switching power supply |
-
1987
- 1987-10-29 JP JP1987165983U patent/JPH0171984U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0412664A (en) * | 1990-04-28 | 1992-01-17 | Mitsubishi Electric Corp | Switching power supply |