Smart Flyback Converter with GaN FET



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


HYC3602 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.

HYC3602 integrates rich protections and features such as, slope compensation, VCC over voltage protection, transformer saturation protection, over-temperature protection, over load protection, output over voltage protection and LPS protection.

HYC3602 has 2 options:

HYC3602E: 89kHz switching frequency

HYC3602H: 130kHz switching frequency

HYC3602 is available with the ESOP8 package.


· Intelligent Digital Multi-Mode Control

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

· Continuous-Conduction Mode (CCM) under heavy load Low Line Condition

· Integrated with High Voltage GaN

· 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   

· Brown Out/In Protection

· Over Temperature Protection

· Limit Power Source (LPS) Protection

· Line Compensation

· Power Consumption < 75mW

· Low Start-Up Current (<3µA)

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