The AOZ2264QI-18 is a high-efficiency, synchronous buck regulator designed to deliver up to 4A of continuous output current. This compact and highly integrated device is ideal for a wide range of applications, including portable devices, industrial equipment, and automotive systems. Featuring a wide input voltage range of 4.5V to 18V, the AOZ2264QI-18 offers excellent efficiency and power conversion capabilities. With a switching frequency of up to 2MHz, it enables the use of small external components, resulting in space-saving and cost-effective designs. The device incorporates comprehensive protection features, including over-current protection, over-temperature protection, and under-voltage lockout. These features ensure the safety and reliability of the system, even under demanding operating conditions. The AOZ2264QI-18 also features an adjustable soft-start function, enabling a controlled and smooth start-up of the system. In addition, it offers a selectable power-saving mode, allowing for further efficiency improvement during light-load conditions. Overall, the AOZ2264QI-18 is a versatile, high-performance buck regulator that provides excellent power conversion efficiency, protection features, and scalability for a wide range of applications.