UCC24612 High Frequency Synchronous Rectifier Controller

1 Features

• Supports Topologies such as Active Clamp Flyback, QR, DCM, CCM Flyback and LLC
• MOSFET V_DS Sensing up to 230 V
• Operating Frequency Up to 1 MHz
  • 1 MHz for UCC24612-1
  • 800 kHz for UCC24612-2
• Wide VDD Range Allows for Direct Bias from 5-V to 28-V Output Systems
• 4-A Sink, 1-A Source Gate Driver with Proportional Gate Drive
• Adaptive Minimum Off-time for Increased Noise Immunity
• Cycle Limit Pre-Turn-off Improves Efficiency in CCM
• High or Low-Side Configurable
• Automatic Light-Load and Sleep-Mode Management with 320-µA standby current
• 16-ns Typical Turnoff Propagation Delay
• 9.5-V Gate Drive Clamp for Reduced Driving Loss

2 Applications

• AC-to-DC Adapters
• USB Type-C and Power Delivery AC Adapters
• Server and Telecom Power Supply
• AC-to-DC Auxiliary Power Supply