LM317 Variable Regulator 30V 1A
If you want used easy variable regulator power supply voltage 0-30V at current 1.5A max. I am like this circuit, because it is small but very good.
I uesd IC – LM317T it is quality products ic variable regulator,so i like make in other power circuit.
The LM317 or LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 1.5A over a 1.2V to 37V output range.
I made use of a 24Vac 1A transformer,The output of the transformer is rectified by diode 1N4002 or equiv ,and smoothed filter using 2200uF capacitors.
The float-voltage measured here for the 24V transformer was 34V-40V,it is unregulated DC voltage.
The VR1 is control output dc voltage 0V(1.25V) to 30V(32V) or 37V maximum voltage at 1.5A max all range.
It is advised that you use this ic with a suitable heatsink.
Main Part
– IC1 = IC LM317T or KIA317
D1-D4 = Diode 1N4002 or 1N4004 or 1N4007 x 4
C1 = Capacitors electroly 2,200uF 35V
VR1 = Variable Resistor 5K(B)
Other detail part,Please see in image.
Related Links
LM317 power supply
Adjustable power supply
Variable Regulator circuit
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