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PPGDiode-Slide4

Shown here is a typical AC-DC-DC application where D/DL and DQ diodes are used. The DQ diodes are used in the PFC boost circuit as well as in the full bridge inverter topology as freewheeling diodes. These sections of the application require fast reverse recovery diodes to maximize the efficiency and performance of the circuit. On the output rectification part of the circuit, the most important diode parameter to have is low forward voltage drop, so this is where the D and DL diodes are used.

PTM Published on: 2010-11-18