JPS6365122U

JPS6365122U -

Info

Publication number: JPS6365122U
Application number: JP15931186U
Authority: JP
Priority date: 1986-10-17
Filing date: 1986-10-17
Publication date: 1988-04-28

Description

[Brief explanation of the drawing]

第１図は本考案駆動制御回路の一実施例を示す
構成図、第２図は第１図例の説明に供する線図、
第３図は本考案の他の実施例を示す構成図、第４
図は従来の駆動制御回路を示す構成図である。１２，１３，１７及び１８は夫々駆動回路、１
４，１５，２３，２４，４８，４９，５０，５１
，５３，５４，５５及び５６は夫々ＰｎＰ形トラ
ンジスタ、１９及び２０は夫々ｎｐｎ形トランジ
スタ、２７はＦＥＴである。 FIG. 1 is a configuration diagram showing an embodiment of the drive control circuit of the present invention, FIG. 2 is a diagram for explaining the example in FIG. 1,
Figure 3 is a configuration diagram showing another embodiment of the present invention;
The figure is a configuration diagram showing a conventional drive control circuit. 12, 13, 17 and 18 are drive circuits, respectively;
4, 15, 23, 24, 48, 49, 50, 51
, 53, 54, 55 and 56 are PnP transistors, 19 and 20 are NPN transistors, and 27 is an FET.

Claims

[Claims for Utility Model Registration] The first drive circuit driven by the first and second drive circuits
and one controlled electrode of the second transistor is connected to one end of a DC power supply, and the other controlled electrode of the first and second transistors is connected to a second controlled electrode driven by a third and fourth drive circuit, respectively. the other controlled electrode of the third and fourth transistors is connected to the other end of the DC power supply, and the other controlled electrode of the third and fourth transistor is connected to the other end of the DC power supply; between a common connection point of a controlled electrode and one controlled electrode of the third transistor and a common connection point of the other controlled electrode of the second transistor and one controlled electrode of the fourth transistor; An output circuit is provided in which a load is connected to the output circuit, and the first and second transistors and the first and second diodes constitute a current mirror circuit, respectively, and the first and second diodes detect the current mirror circuit. 1. A drive control circuit characterized in that a current generated by the input voltage is converted into a feedback voltage by a variable impedance element.