Power Integrations INN4075C-H180 | Demoboard DER-943

Description

This engineering report describes a 60 W 20 V 3 A output power supply using InnoSwitch4-CZ INN4075C-H180 and ClampZero CPZ1075M. This design shows the highpower density and efficiency that is possible due to the high level of integration of the InnoSwitch4-CZ active clamp flyback controller providing exceptional performance

Features

• InnoSwitch4-CZ – active clamp flyback switcher IC with integrated high-voltage PowiGaN, synchronous rectification and FluxLinkTM feedback
• Zero voltage switching in both CCM and DCM operating conditions
• All the benefits of secondary-side control with the simplicity of primary-side regulation
• Insensitive to transformer variation

• 95% full-load efficiency at 230 VAC

• 94.5% full-load efficiency at 115 VAC

• 93.9% full-load efficiency at 90 VAC, meets DOE6 and CoC v5 2016 efficiency requirement
• High power density: 28.45 W/in3
• Output overvoltage and overcurrent protection
• Integrated thermal protection
• <60 mW no-load input power at 230 VAC
• Meets CISPR22 / EN55022 Class B conducted EMI

Typical applications

• High efficiency CV/CC power supplies
• High efficiency USB PD adapters, High density flyback designs up to 220 W

More information

• Datasheet
• IC product information