Download UL24D Datasheet PDF
Unisonic Technologies
UL24D
DESCRIPTION Featured Device, UTC UL24D, is a PWM controller with innovative technology. The controller drives a strings of LEDs and can be dimming by an ON/OFF AC wall switch and provides a cost effective solution for light control. It supports power-factor-correction function in applications. UTC UL24D provides several protection features . It includes a cycle-by-cycle current limit to the power switch; over-current protection at the LED load; VDD over-voltage protection. The controller also features an internal over-temperature protection. - FEATURES - Using ON/OFF wall switch to dimming - High power factor for high brightness LEDs - Low start-up current and operating current - Under-voltage lockout (UVLO) with hysteresis - Provides plete protection functions -Maximum gate driver output clamp -VDD pin Over-Voltage Protection -Cycle-by-cycle current limit -LEDs Over-Current Protection -LEDs Open-Loop Protection -LEDs Short-Circuit Protection -Internal Over-Temperature Protection -...