The LT3748EMS is a high-performance switching voltage regulator from Analog Devices, specifically crafted for isolated flyback converter applications without the need for an opto-coupler. Operating within a wide input voltage range of up to 100V, this component is adept at handling high-voltage applications efficiently. Its unique design enables it to sample the isolated output voltage directly from the primary-side flyback waveform, facilitating a simpler, more compact, and cost-effective design solution for various power conversion needs. With a focus on maintaining accuracy and reliability, the LT3748EMS is equipped with features such as boundary mode operation for reduced EMI and improved efficiency, along with a variety of protection mechanisms including undervoltage lockout, thermal shutdown, and output overvoltage protection. Ideal for applications in industrial, automotive, and telecommunications sectors where high voltage isolation and robust power conversion are required, the LT3748EMS exemplifies Analog Devices' commitment to innovative and high-quality power management solutions.