The L6564T is a 10-pin transition-mode PFC controller with features including guaranteed extreme temperature range, fast bi-directional input voltage feedforward, accurate adjustable output overvoltage protection, protection against feedback loop disconnection, inductor saturation protection, AC brownout detection, low startup current, 6mA max operating bias current, 1% internal reference voltage, -600/+800mA totem pole gate driver with active pull-down during UVLO, and SSOP10 package.