UCC256303

Product Folder Order Now Technical Documents Tools & Software Support & Community UCC256303 SLUSD49A – SEPTEMBER 2017 – REVISED JANUARY 2019 UCC256303 LLC Resonant Controller Enabling Ultra-Low Standby Power 1 Features 1 Hybrid Hysteretic Control (HHC) – Best-in-Class Transient Response – Easy Compensation Design Optimized Low Power Features Enable 75 mW Standby Power Design with PFC on – Advanced Burst Mode Opto-Coupler Low Power Operation – Helps Enable Compliance to CoC Tier II Standard 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 Create a Custom Design Using the UCC256303 With the WEBENCH® Power Designer 2 Applications Digital TV SMPS AC-DC Adapter Gaming Desktop PC 3 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. The resulting power system is designed to meet the most stringent requirements for standby power without the need for a separate standby power converter...