Regulator L200 schematics

Posted on Jun 8, 2012

Here they exist two regulator circuits, that use the IC L200, as regulator of voltage and current, the company SGS-Thomson, which give these circuits. In circuit Fig.1, we can regulate the output voltage, with the RV1, while in the Fig.2, we can regulate also output voltage ? current, with the TR2 and TR1, respectively. More information on characteristics for L200, you can see in list datasheets. Shortly will be added also certain other useful circuits with L200.

Regulator L200 schematics
Click here to download the full size of the above Circuit.

Fig. 1-High current regulator with NPN pass transistor R1=0.7 / Io max C4=47uF 63V R2=10 ohms RV1=4.7Kohm pot. R3=1Kohm Q1=BDW51 R4=820 ohms Q2=BC108 C1=4700uF 63V IC1=L200 C2-3=100nF 100V Fig. 2-Programmable voltage and current regulator R1=1Kohm C1=4700uF 63V R2=470 ohm C2=220nF 100V R3=0.1 ohm 5W IC1=L200 R4=1Kohm IC2=LM741 TR1=100Kohm pot. TR2=10Kohm pot.

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