Input Voltage Range	Max. Output Power/Current	PF	THD	CC/CV	Dimming Mode	Part Number		MOS BVdss	Topology
90~277Vac	80W	>0.9	<10%	PSR CC	PWM to analog	OB3338	OB3338	External	Flyback/   Buck-boost
	80W	>0.9	<10%				OB3338B	External	Flyback/   Buck-boost
90~277Vac	80W	>0.9	<20%	CC	PWM to analog	OB3337		External	Buck