Infineon EVAL_3K3W_LLC_HB_CFD7 DC-DC Converter for Power Supplies

This converter is a complete Infineon system solution for a 3300W LLC DC-DC converter from 400 V to 51.5 V achieving 98.1 percent peak efficiency. The achieved power density is in the range of 4 W/cm³ (66 W/in³), which is enabled by the use of SMD packages, the innovative stacked magnetic construction and the innovative cooling solution.
This DC-DC converter proves the feasibility of HB LLC as a high-efficiency topology for a 3.3 kW converter, at the level of full-bridge LLC or dual-stage LLC when combined with the latest best-in-class Infineon devices with their benchmark low RDS(on) and low parasitics.
The digital control, powered by Infineon XMC™ microcontrollers, is not only capable of controlling LLC topology but is also the most effective way to overcome its difficulties and pitfalls. Moreover, the included protection mechanisms and control schemes further boost the reliability and performance of the latest Infineon devices, achieving the best possible efficiency.

•High efficiency and high power density
•Novel integrated magnetics structure
•Full digital control
•Graphical User Interface (GUI)
•Configurable variable output voltage

•Best performance HV and LV power devices
•Full or nearly full ZVS in all load range
•Full digital control

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