CR522X is a built-in electric high voltage power MOSFET Flow mode flyback PWM control chip for less than 18W Offline flyback switching power supply with high performance, low standby Power, low cost advantages.

* CR5223 built-in 630V MOSFET

* CR5224 built-in 630V MOSFET

* CR5228 built-in 650V MOSFET
 
* CR5229 built-in 650V MOSFET