Power Integrations, Inc. LED Drivers LYT1404D

The LYT1404D is a single-stage LED driver IC designed for buck topology applications, capable of delivering a constant current output with a power factor greater than 0.9 and efficiency exceeding 93%. It operates within a wide input voltage range of 90 VAC to 308 VAC and supports output power levels up to 22 W. The device features ±3% constant current regulation, making it suitable for high-performance LED applications. This driver incorporates a robust 725 V MOSFET, ensuring enhanced line voltage surge performance and low electromagnetic interference (EMI). It includes comprehensive protection features such as input and output overvoltage protection, output short-circuit protection, and thermal management capabilities, including thermal foldback and over-temperature shutdown. The LYT1404D is optimized for minimal component count, which contributes to its high power density and reliability. It is particularly well-suited for applications requiring accurate LED current regulation and high efficiency, making it a viable choice for engineers looking to implement efficient LED lighting solutions.