uc3845 circuit diagram

The UC3845 is a high performance current mode PWM controller for use in a wide range of power supply and power management applications. This integrated circuit is designed for controlling the duty cycle of a switching power supply and provides the necessary features to implement a variety of power conversion topologies, such as boost, flyback, and forward converters. The UC3845 offers a sophisticated current sensing and error amplifier circuitry, allowing for precise control of the output voltage and current. It also includes a high speed error amplifier with a voltage reference, as well as an adjustable soft-start capability to minimize in-rush current during start-up. This versatile and highly efficient controller can be used in a variety of power supply designs, including LED drivers, battery chargers, and DC-DC converters. Its compact and robust design makes it an ideal choice for applications requiring reliable and high-performance power management solutions. With its wide input voltage range and adjustable output voltage, the UC3845 is a valuable tool for engineers looking to design compact and efficient power supplies.