Power Integrations today introduced the LYTSwitch-3 product family, the newest member of the company's LYTSwitch family of LED driver ICs. LYTSwitch-3 is ideal for bulb, tube and downlight applications with up to 20W output, providing excellent dimming performance with both leading and trailing edge TRIAC dimmers and supports isolated and non-isolated topologies .
Power Integrations' latest LYTSwitch family of LED driver ICs - LYTSwitch-3
The LYTSwitch-3 IC has configurable dimming characteristics that allow designers to optimize the dimming range and efficiency of the drive. The deep dimming response can also be set to increase the dimming range or to use the load-shutdown mode to eliminate the possibility of flicker. When no dimmer is connected or when the dimmer is operating at full conduction angle, the dimmer management circuitry of the IC is turned off, increasing efficiency. The new driver IC is unique in that it continuously controls the power factor and manages it even in dimming mode, which minimizes the apparent power consumption (VA) of the lamp during dimming, thereby preventing The impact on the grid that may occur during heavy use. The LYTSwitch-3IC also features a thermal foldback feature that automatically adjusts the illumination output in the event of poor heat dissipation or high ambient temperatures to prevent damage and extend lamp life.
Hubertus Notohamiprodjo, Director of Product Marketing, Power Integrations, said: "These new driver ICs are available for buck, boost, buck-boost, tap-buck, tap-buck-boost and isolated flyback Topologies. They are compatible with a wide range of dimmers and can choose different MOSFET breakdown voltages to optimize design cost. This means that the same IC can be used in multiple designs that use single-panel and ultra-small designs. Design cycle time and reduce component inventory."
With a power factor greater than 0.9 and a THD of less than 10%, the LYTSwitch-3 driver IC meets all international energy efficiency standards including EN61000-3-2, CECTitle20, CECTitle24 and ENERGY STAR. The IC guarantees 3% constant current (CC) accuracy for different loads, input voltages, and individual device variations in mass production. Like all Power Integrations products, this highly integrated device offers comprehensive protection while requiring fewer external components than competing discrete designs, which not only improves reliability, but also reduces BOM cost and reduction. Small PCB board area.
Samples of the LYTSwitch-3IC are now available for ordering. The unit is priced at $0.53 each based on a 10,000-piece order quantity.
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