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.
This is a logic level 120 V MOSFET in PQFN 3.3 x 3.3 packaging with 10.6 mOhm on-resistance. ISZ106N12LM6 is part of Infineon’s OptiMOS™ 6 power MOSFET family.