Expected phase margin: > 60° (stable). If the phase margin is below 45°, the updated model will show a "Compensation warning" flag—something the old library never did.
Run the simulation. In the updated library, you should see: proteus lm2596 library updated
: Obtain the .LIB (library) and .IDX (index) files from a trusted source. Locate the Library Folder : Expected phase margin: > 60° (stable)