<p>➀ EPC introduces a compact 180W GaN buck DC-DC evaluation board (EPC91109) supporting USB PD 3.1, delivering 12-20V output from 20-36V input with peak efficiency >98%;</p><p>➁ Utilizing four EPC2057 GaN HEMTs and Analog Devices' LTC7890 controller, the 24x24mm design operates without heatsinks or airflow at 970kHz switching frequency;</p><p>➂ Targets laptop and battery-powered applications, achieving full 180W output (14.3A at 12V) through two-phase interleaved topology.</p>