... PFC function, PF>0.95 ·Suitable for all kinds of LED lightings, and moving sign applications. ·Built-in constant ... describe 1. Adopts integrated device design, low temperature rise, low calorific value.2. High stability, drive stable work, output current constant, ... suitable for high humidity, high dust, strong vibration environment of use;Chip inside integrated over-voltage, over-current, overheat ...