Main Features:

· ±3% LED Current Accuracy.

· Build-in 700V power transistor.

· 85V—265V wide range AC power input.

· Quasi-resonant mode, high circuit efficiency, η>90%.

· Patent self-power supply circuit design, no need for external winding power supply.

· Patent Primary Side Regulation control, no need for additional winding power supply.

· Single-Stage Active PFC(Power Factor Correction) for High Power Factor(PF>0.95) and Low THD.

· Suitable for several different circuit designs of constant current and limited voltage.

· Over current, Over loading, Over temperature, Over voltage, LED short circuit and LED open circuit Protection.

· Automatic detection of constant current loading when power is on, to prevent electrical LED lamp burning.

Applications: 

3-16W LED lighting.

Voltage Range: 

Input Voltage	85-160V AC	85-265V AC	160-265V AC	Working Situation Remark
MAX. output power	3W	3W	4.5W	Isolated flyback circuit with high PF
	4.5W	4.5W	6W	Isolated flyback circuit with low PF
	4.5W	4.5W	6W	Nonisolated Boost-Buck circuit with high PF
	-----	-----	16W	Nonisolated Buck circuit with low PF**