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