Smart Flyback Converter with GaN FET



Offline Charger
Programmable travel adapter
USB PD Charger
TV / Monitor Standby Power
Notebook Adapter


HYC3601 is an intelligent digital multi-mode Flyback controller integrated with 650V E-Mode GaN. The newly developed architecture is inherent features to meet regulatory requirements from around the world.

HYC3601 integrates rich protections and features such as, slope compensation, VCC over voltage protection, transformer saturation protection, sense resistor short protection, over-temperature protection, over load protection, output over voltage protection.

HYC3601 is available with the SOP7 package.


· Integrated with E-Mode GaN FET

· Intelligent Digital Multi-Mode Control

· HYC3601E Peak Current Mode Control at Burst-Mode /PFM/DCM/QR/CCM

· HYC3601H Peak Current Mode Control at Burst-Mode /PFM/DCM/QR

· Integrated with 800mohm, 650V GaN FET

· Over-load Period up to 56mS

· Switching Frequency Dithering to Improve EMI   

· Adaptive GaN Gate Drive to Balance Switching Loss and EMI

· Protection Features  


· Output OVP

· Transformer Saturation Protection

· Output Over Load Protection   

· Current Sensor Resistor Short Protection

· Brown Out/In Protection

· Over Temperature Protection

· Line Compensation

· Power Consumption < 75mW

· Low Start-Up Current (<3µA)

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