60 Amp Rated IR 3550 Pow IRstage Achieve

60 Amp Rated IR 3550 Pow. IRstage® Achieve Highest Current in Smallest Form Factor The new IR 3550 Pow. IRStage® solution integrates a high performance synchronous buck gate driver, IR’s latest generation control and synchronous MOSFETs featuring extremely low on-state resistance (RDS(on)) and gate charge, and a Schottky diode into a high density, low profile 6 mm x 0. 9 mm PQFN package. Features • • • PRESS RELEASE DATA SHEETS HI-RES GRAPHIC Pow. IRStage® Advantages Output current capability of 60 A • Peak efficiency up to 95% at. 12 VOUT Input voltage range of 4. 5 V to 14 V • Output voltage range of 0. 25 V to 3. 3 V Operation up to 1 MHz High density, fully integrated solution • • High performance synchronous buck gate driver • IR’s latest generation low RDS(on) and gate charge control & synchronous MOSFETs • • Schottky diode Internal components, layout & packaging optimized for best system-level electrical & thermal performance • Integrated current sense amplifier offering superior current sense accuracy • MOSFET fault and thermal protection Body braking for improved transient response Up to 3. 8% efficiency improvements Superior performance compared to alternative power stage solutions, achieving up to a 3. 8% improvement in electrical efficiency. Simplifies the design & implementation of high-current, high-performance multiphase buck regulators versus traditional discrete designs and alternative power stage solutions. Compatible with most analog and digital controllers available on the market today, providing the designer the flexibility to select the PWM controller of preference. Featuring an integrated current sense amplifier that achieves superior accuracy and signal-to-noise ratios compared to alternate controller based inductor DCR sensing techniques. Achieves industry best peak and Thermal Design Current (TDC) electrical efficiencies. High switching frequency capability allows for the miniaturization of output inductors and input and output capacitors to help reduce overall solution size. March 2011