The UC3842BD1R2G with Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 8-SOIC is a device designed for high-frequency isolated DC-DC conversion. This device is manufactured by ON Semiconductor and its input voltage range is up to 200 V. It is equipped with soft start to prevent line disruption and overloading the system during start-up. It also features integrated MOSFET drivers, as well as over-voltage, over-current, and over-temperature protections. This product offers a wide range of features that make it an ideal choice for a variety of applications, such as high-end telecom and industrial power supplies, energy conversion, power management, and motor control systems.