: Close and reopen Proteus to refresh the component database.
: Build a functional equivalent in Proteus using a FET, diode, and inductor to test the logic of your step-down circuit. LM2596S-ADJ .... Helpp ;-; lm2596 library for proteus top
Even with a "top" library, you may encounter issues. Here is the fix for the top 3 errors. : Close and reopen Proteus to refresh the component database