UCC256303 Overview
Description
The UCC256303 is a fully featured LLC controller with integrated high-voltage gate driver. It has been designed to pair with a PFC stage to provide a complete power system using a minimum of external components.
Key Features
- 1 Hybrid Hysteretic Control (HHC) – Best-in-Class Transient Response – Easy Compensation Design
- Fast Exit from Burst Mode
- Improved Capacitive Region Avoidance Scheme
- Adaptive Dead-Time
- Internal High-Side Gate Drivers (0.6-A and 1.2-A Capability)
- Robust Soft Start with No Hard Switching
- Over Temperature, Output Over Voltage, Input Over and Under Voltage Protection with Three Levels of Over Current Protections
- Wide Operating Frequency Range (35 kHz to 1 MHz)
- LLC Resonant Controller in SOIC16 with High Voltage Clearance
- External Bias Required