The R-78AA3.3-0.5SMD part from RECOM POWER is a 3.3 Volt DC, 500mA output switching regulator in a 8 Pin SMD package. This switching DC-DC converter is designed for easy integration into various applications, incorporating features such as short-circuit, over-temperature, and overload protections. It has a wide input voltage range of 3.2V - 36V, making it suitable for a variety of applications, and it has good load and line regulation, making it highly efficient and reliable. This converter also has a low startup current and a low dropout voltage, which helps to reduce energy consumption and maximize applications efficiency.