Lm2596 Library ((link)) | Proteus

: Available in fixed versions (3.3V, 5V, 12V) and an adjustable version (1.2V to 37V).

: Operates at a high switching frequency of 150 kHz , allowing for smaller external filter components. proteus lm2596 library

Proteus Libraries for missing components in database - GitHub : Available in fixed versions (3