L4984D

PFC控制器, 10.3V至22.5V电源, 65µA启动, 5mA运行, SSOP-10

* 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