The IR2166STR is a highly efficient and reliable integrated circuit designed for low-power offline applications. It is specifically engineered for implementing both current-mode and voltage-mode control in switch mode power supplies. With a wide input voltage range of up to 600V, this IC offers flexibility in various power supply configurations. Equipped with advanced protection features such as over-current protection, over-voltage protection, and thermal shutdown, the IR2166STR ensures safe and reliable operation even in demanding applications. Its innovative design allows for a reduced bill of materials and simplifies the overall system design, making it easier to implement and maintain. The IR2166STR also features an integrated soft-start function, which helps minimize inrush currents during power-up, preventing damage to the power supply and connected components. This IC provides improved efficiency and power factor correction, making it an ideal choice for applications in consumer electronics, lighting, home appliances, and other low-power systems. With its comprehensive set of features, the IR2166STR is a high-performance solution for offline power supply designs, delivering outstanding performance and reliability.