TIDUF64A December 2023 – August 2024
To further reduce losses in the system, and achieve a high efficiency of the rectification stage, the recommendation is to go with Schottky diode since the Schottky diode has low forward voltage drop and faster recovery time.
The forward current rating needs to be greater than the maximum output current as seen by Equation 5.
where,
Schottky diodes have a much higher peak current rating than average rating. Therefore the higher peak current in the system is not a problem.
The other parameter that need to be checked, is the power dissipation of the diode to keep in check the conduction losses. The diode is able to handle the power dissipation according to Equation 6.
where,
In this application, the C6D20065G is used which is a 650V, 20A Silicon Carbide Schottky Diode.