The STEVAL-ILB009V1 is a 2x28W electronic ballast with active power factor correction (PFC) based on the STD3N62K3 and STD845DN40 BJT devices. It has an input voltage range of 180VAC to 264VAC, a nominal output voltage of 400V, a nominal output power of 60W, a target efficiency of approximately 90%, a minimum switching frequency of 35kHz, and an expected power factor of 0.99.