UCC27282

Product Folder Order Now Technical Documents Tools & Software Support & Community UCC27282 SNVSAQ5A – NOVEMBER 2018 – REVISED JANUARY 2020 UCC27282 120-V Half-Bridge Driver with Cross Conduction Protection and Low Switching Losses 1 Features 1 Drives two N-channel MOSFETs in high-side lowside configuration 5-V typical under voltage lockout Input interlock Enable/disable functionality in DRC package 16-ns typical propagation delay 12-ns rise, 10-ns fall time with 1.8-nF load 1-ns typical delay matching Absolute Maximum Negative Voltage Handling on Inputs (–5 V) Absolute Maximum Negative Voltage Handling on HS (–14 V) 3.5-A sink, 2.5-A Source output currents Absolute maximum boot voltage 120 V Low current (7-µA) consumption when disabled Integrated bootstrap diode Specified from –40°C to 140°C junction temperature 2 Applications Telecom and merchant power supplies Motor drives and power tools Auxiliary inverters Half-bridge and full-bridge converters Active-clamp forward converters High voltage synchronous-buck converters Class-D audio amplifiers Simplified Application Diagram 3 Description The UCC27282 is a robust N-channel MOSFET driver with a maximum switch node (HS) voltage rating of 100 V. It allows for two N-channel MOSFETs to be controlled in half-bridge or synchronous buck configuration based topologies. Its 3.5-A peak sink current and 2.5-A peak source current along with low pull-up and pull-down resistance allows the UCC...