The LT3957IUHE#PBF is a high-performance integrated switching voltage regulator manufactured by Analog Devices. It integrates a boost, flyback, SEPIC and inverting converter into a single package. This IC provides an input voltage range of up to 100 V, making it ideal for use in commercial and industrial applications. The device features a fast transient response and an operating frequency of up to 500 kHz, achieving an average efficiency of over 90%. It is designed to provide true-regulated output voltages for a variety of applications, including DC-DC conversion, LED illumination, automotive applications and communications. The LT3957IUHE#PBF provides excellent noise and EMI performance, making it an ideal choice for high-performance, cost-sensitive designs.