The UCC38086PWG4 is an integrated circuit (IC) component designed for controlling critical-conduction-mode (CRM) power factor correction (PFC) pre-regulators. It is widely used in applications such as AC-DC power supplies, LED lighting, and motor drives. Here are the key features of this IC component:
1. Critical-Conduction-Mode (CRM) Control: The UCC38086PWG4 utilizes CRM control, which enables boundary modes of operation and minimizes losses, leading to high power-factor correction.
2. Wide Input Voltage Range: This IC component can operate from a wide input voltage range, typically from 8V to 600V, making it suitable for various power supply applications.
3. Programmable Operating Frequency: It allows the user to customize the switching frequency of the converter according to the application requirements. The frequency can be set between 18kHz and 250kHz.
4. High Efficiency Operation: The UCC38086PWG4 achieves high efficiency by utilizing zero-current and zero-voltage switching techniques. This results in reduced power loss and ultimately improves the overall energy efficiency of the system.
5. Protection Features: The IC includes various protection features, such as cycle-by-cycle current limiting, overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown. These protections enhance the reliability and safety of the system
