The IAUS300N08S5N014T is a 1.4 mΩ, topside-cooled 80 V MOSFET coming in the TOLT package with Infineon’s leading OptiMOS™-5 technology. Next to others the device is designed for 48V applications. Alongside the 48V auxiliary applications, the device is primarily used in the the DC-DC converter and the main battery switch.
BD4233NUX is Strobe Charge Control IC, ideal for Digital still cameras, Mobile Phone. The strobe charge IC is a self-oscillating switching regulator that uses a transformer. It provides highly efficient applications for charging capacitors in sets with various strobes.