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SLUSBA5F – DECEMBER 2012 – REVISED MARCH 2018 UCC27611 5-V, 4-A to 6-A Low Side GaN Driver
1 Features 3 Description The UCC27611 is a single-channel, high-speed, gate
driver optimized for 5-V drive, specifically addressing
enhancement mode GaN FETs. The drive voltage
VREF is precisely controlled by internal linear
regulator to 5 V. The UCC27611 offers asymmetrical
rail-to-rail peak current drive capability with 4-A
source and 6-A sink. Split output configuration allows
individual turnon and turnoff time optimization
depending on FET. Package and pinout with
minimum parasitic inductances reduce the rise and
fall time and limit the ringing. Additionally, the short
propagation delay with minimized tolerances and
variations allows efficient operation at high
frequencies. The 1-О© and 0.35-О© resistance boosts
immunity to hard switching with high slew rate dV and
dt. 1 Enhancement Mode Gallium Nitride FETs …
