The 50W led power supply provides a high performance and cost effective solution for LED lighting application including power adapter for led desk lamp, led display power supply. The constant voltage LED power supply achieves accurate 44V regulation with compact profile featuring efficiency levels of up to 90% and off-load power draw is less than 0.21W when in standby mode. The rohs led power supply meets all green energy initiatives and offers a wide range of safety features including over-current protection, over-load protection, short-circuit protection with excellent EMC performance. The led strip power supply has efficient heat dissipation to maximize reliability.