Features

• LYTSwitch-4 series High Power LED Driver AC-DC Converters. The Power Integrations LYTSwitch-4 family of off-line AC-DC single-stage converters are designed for high-power LED driver applications. They integrate control and drive circuits and power factor correction in a single package and are available in both dimming and non-dimming versions. High line voltage operation: 160-308 Vac Better than ±5% constant current regulation Up to 92% efficiency in typical applications High power factor >0.9 Easily meets EN61000-3-2 Less than 10% THD in optimized designs 132 kHz switching frequency permits use of small low-cost magnetics No primary side aluminium electrolytic bulk capacitors required LTY432x types only: TRIAC dimmable to less than 5% of full output Fast start-up: ;250 ms at full brightness, ;1s at 10% brightness