Power Integrations INN3679C-H606 | Demoboard DER-726

Description

This engineering report describes an isolated flyback converter designed to provide a 20 V 3.25 A output from a wide input voltage range of 90 VAC to 265 VAC. This power supply utilizes the INN3679C-H606 from the InnoSwitch3-EP family of IC’s with the input capacitor volume-reduction capabilities of the MinE-CAP IC.

Features

• 65 W output power capability at 20 V

• 92% average efficiency at nominal AC inputs

• <50 mW no-load input power at nominal AC inputs
• Integrate protection and reliability features
• Output short-circuit
• Line and output OVP
• Over-temperature shutdown
• Synchronous rectification for higher efficiency
• Input voltage monitor with accurate brown-in/brown-out protection
• Meets EN55022 and CISPR-22 Class B conducted EMI
• Meets IEC 1.0 kV differential surge
• ±16 kV ESD Class B

Typical applications

• Auxiliary, standby and bias power supplies for appliances
• computers

More information

• Datasheet
• IC product information