uc3845

The UC3845 is a versatile PWM controller designed for switched mode power supplies and pulse-width-modulated (PWM) control applications. It offers a wide input voltage range and operates at high frequencies, making it suitable for a variety of power conversion applications. The UC3845 features an internal oscillator that sets the switching frequency, as well as a voltage reference, error amplifier, and PWM comparator, all of which contribute to its precise control and regulation capabilities. This PWM controller also includes a high-current totem pole output stage that is capable of driving power MOSFETs or IGBTs directly, simplifying the driver circuit design. Additionally, it offers various protection features, such as overcurrent protection and undervoltage lockout, to ensure the safety and reliability of the power supply system. With its compact form factor and comprehensive features, the UC3845 is an ideal choice for power supply design engineers looking to achieve efficient and stable performance in a wide range of applications.