The LT1259CS#PBF is a high-performance, low-power, fixed frequency, synchronous monolithic step-down switching regulator, manufactured by Analog Devices. This switching regulator has an operating temperature range of -40 °C to 125 °C, making it suitable for a wide range of applications. Its maximum input voltage is 40V and its maximum output current is 6A. It has a low noise design combined with high efficiency, with switching frequencies up to 1.2MHz. The device also features short-circuit protection, over-temperature control, as well as current limiting. The LT1259CS#PBF is ideal for designing regulated power supplies in consumer and industrial applications.