3-30V power supply 3 A circuit diagram

3-30V power supply 3 A circuit diagram

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Connect a voltmeter to “GND” points and “OUT +” and set “RV1” until the voltage
desired output is reached.
Apply some heat-conductive paste to the lower surface of the transistor and mount it on the
radiator.
If you need 3 to 8 volts then R2 is 5.6K
If you need more than 8 volts then the R2 is 2.2K

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1 Title: 3-30V power supply 3 A circuit diagram
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