UCC28950PWR Switching Controllers Green Phase-Shifted Full-Bridge Control TSSOP24

Product Description

UCC28950PWR Switching Controllers Green Phase-Shifted Full-Bridge Control TSSOP24

UCC28950 Green Phase-Shifted Full-Bridge Controller With Synchronous Rectification

Features

• Enhanced Wide Range Resonant Zero Voltage Switching (ZVS) Capability

• Direct Synchronous Rectifier (SR) Control

• Light-Load Efficiency Management Including

– Burst Mode Operation

– Discontinuous Conduction Mode (DCM), Dynamic SR On and Off Control with Programmable Threshold

– Programmable Adaptive Delay

• Average or Peak Current Mode Control With Programmable Slope Compensation and Voltage Mode Control

• Naturally Handles Pre-Biased Start Up With DCM Mode

• Closed Loop Soft Start and Enable Function

• Programmable Switching Frequency up to 1 MHz with Bi-Directional Synchronization • (±3%) Cycle-by-Cycle Current Limit Protection With Hiccup Mode Support

• 150-µA Start-Up Current

• VDD Undervoltage Lockout

• Wide Temperature Range –40°C to +125°C

Applications

• Phase-Shifted Full-Bridge Converters

• Datacom, Telecom, and Wireless Base-Station Power

• Server, Power Supplies

• Industrial Power Systems

• High-Density Power Architectures

• Solar Inverters, and Electric Vehicles