UCC27200A

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community UCC27200A, UCC27201A SLUSAF9B – FEBRUARY 2011 – REVISED JULY 2015 UCC2720xA 120-V Boot, 3-A Peak, High-Frequency, High-Side and Low-Side Driver 1 Features 1 Drives Two N-Channel MOSFETs in High-Side and Low-Side Configuration Negative Voltage Handling on HS (–18V) Maximum Boot Voltage 120 V Maximum VDD Voltage 20 V On-Chip 0.65-V VF, 0.6-Ω RD Bootstrap Diode Greater than 1 MHz of Operation 20-ns Propagation Delay Times 3-A Sink, 3-A Source Output Currents 8-ns Rise/7-ns Fall Time with 1000-pF Load 1-ns Delay Matching Undervoltage Lockout for High-Side and Low-Side Driver Offered in 8-Pin SOIC (D), PowerPAD™ SOIC-8 (DDA), SON-8 (DRM), SON-9 (DRC) and SON-10 (DPR) Packages Specified from –40°C to 140°C 2 Applications Power Supplies for Telecom, Datacom, and Merchant Markets Half-Bridge Applications and Full-Bridge Converters Isolated Bus Architecture Two-Switch Forward Converters Active-Clamp Forward Converters High-Voltage Synchronous-Buck Converters Class-D Audio Amplifiers Simplified Application Diagram +12V +100V VDD HB SECONDARY SIDE CIRCUIT 3 Description The UCC2720xA family of high-frequency N-channel MOSFET drivers include a 120-V bootstrap diode and high-side/low-side driver with independent inputs for maximum control flexibility. This allows for N-channel MOSFET control in half-bridge, full-bridge, two-switch forward and active clamp...