WE PRODUCE DC DC CONVERTER CIRCUIT USING UC3524AN PWM REGULATOR.WE NEED THE SOIC 16 PACKAGE OF THIS PRODUCT WITH NEW REGULATION.BUT ON THE MARKET THIS PRODUCT IS PROVIDED SG 3524.WHAT WILL I HAVE PROBLEMS IN ALL INVERTER CIRCUITS WE DO WITH SG3524.WHAT CAN IT CAUSE?WE CAN ALSO FIND SOIC 16 PACKAGE UC3524AN.best regards.