Taiwan semiconductor ts2596 smd 3a 150khz buck dc dc converters taiwan semiconductor ts2596cm533 rn a 3a 33v step down buck switching regulator designed for use as a dc to dc converter the device has excellent line and load regulation and operates at a switching frequency of 150khz which means that smaller size filter components are used giving benefits in thermal management and reducing board footprint requirements suitable applications for this buck regulator include on card switching