Taiwan semiconductor ts2576 3a buck switching voltage regulators taiwan semiconductor ts2576cz550 c0 a 3a 5v fixed voltage step down buck switching voltage regulator in a through hole to 220 case the device is suitable for a wide range of applications such as lcd monitors add on cards pre regulators and positive to negative converters buck boost the regulator has excellent line and load regulation and requires a minimum number of components substantially reducing the component count