72 W isolated flyback power supply for appliances using InnoSwitch4-QR (INN4275C-H186) high-frequency quasi-resonant switcher IC for minimal transformer size, high efficiency and low no-load consumption

• 12 V, 6 A output, 90-265 VAC universal input
• 92% efficiency at 230 VAC input
• Less than 70 mW no-load consumption at 230 VAC input
• Only 44 components, no heatsinks required
• Meets EN550022 and CISPR-22 Class B conducted EMI with >6db margin