500 mA step up/step down switching regulator TL497A 500 mA step up/step down switching regulator TPS5430DDA 36V 3A, Step Down Swift Converter, HSOIC8 TPS5431DDA 23V 3A, Step Down Swift Converter, HSOIC8 TPS54340DDA 42V 3.5 A, Step Down DC-DC Converter with Eco-mode, HSOIC8 TPS54360DDA 60V 3.5 A, Step