UCC256404 Overview
Description
The UCC25640x is a fully featured LLC controller with integrated high-voltage gate driver. It has been designed to pair with a PFC controller to provide a complete power system using a minimum of external components.
Key Features
- Hybrid hysteretic control (HHC) – Best-in-class transient response – Fast exit from burst mode
- Robust adaptive dead-time control
- Integrated high-voltage gate driver with 0.6 A source and 1.2 A sink capability
- Robust capacitive region (ZCS) avoidance scheme
- Over temperature, output over voltage, input under voltage protection, three levels of over current protection
- Integrated high voltage startup function
- Active X-capacitor discharge function
