* Line-modulated fixed-off-time (LM-FOT) control of CCM-operated PFC pre-regulators * Proprietary LM-FOT modulator for nearly fixed-frequency operation * Proprietary multiplier design for minimum THD of AC input current * Fast “bi-directional” input voltage feedforward (1/V2correction) * Accurate adjustable output overvoltage protection * Protection against feedback loop failure (latched shutdown) * Inductor saturation protection * AC brownout detection * Digital leading-edge blanking on current sense * Soft-start * 1% (at Tj = 25 °C) internal reference voltage * \\- 600 / + 800 mA totem pole gate driver with active pull-down during UVLO and voltage clamp * SSOP10 package
