Isolated flyback power supply with 80 W continuous and 420 W peak output power, designed for garage door openers, using TOPSwitchGaN (TOP7078E)

● Input: 180 VAC - 265 VAC

● Output: 28 V, 2.89 A_NOM, 15 A_PK

● >92% full load efficiency at 230 VAC • 

● >91% average efficiency at 230 VAC

● Low component count: 78 parts

● Excellent transient load response

● Robust 800 V rated PowiGaN switch or high surge withstand

● Meets 2 kV Combination wave, and Ring wave surge test

● Class B conducted EMI with > 6 dB margin