Infineon REF_3K3W_HFHD_PSU AC-DC Converter for REF3K3WHFHDPSUTOBO1 for AC to DC Power Conversion, Computing Solutions,

The Infineon 500 kHz high density 3 kW GaN rectifier for server and telecom applications. It is a 3.3 kW high frequency and high density PSU for server and datacentre applications. The front end AC DC converter is a two phase SiC interleaved bridgeless totem pole stage for power factor correction, while the high frequency DC to DC converter to provide isolation and regulate output voltage is a GaN LLC half bridge, with full bridge rectification.

High frequency GaN LLC design
Fully integrated transformer structure
Highest efficiency and power density
Digital control for both converters
Hold up time extension circuit