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LM2576 lab power supply circuit diagram

2015-03-19 09:31  
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LM2576 lab power supply circuit diagram is based on the LM2576 monolithic integrated regulator that provide all the active functions for a step-down (buck) switching regulator .
This LM2576 lab power supply circuit diagram is designed to provide an variable output voltage between 1.2 to 35 volts at a maximum current of 3A .
As you can see in the schematic circuit this LM2576 power supply require few external electronic components and an input unregulated dc voltage of about 40 volts.

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