Sep 25, 2011 #1 G grizedale Advanced Member level 3 Joined Jun 13, 2011 Messages 838 Helped 17 Reputation 34 Reaction score 17 Trophy points 1,298 Activity points 8,804 This 500W half-bridge (schematic on page 3) has an RC snubber across the primary (R1, C7) **broken link removed** This snubber is explained at Top of middle column of page 2. -Why would they bother with such a dissipative snubber? -Surely it would be better to simply put Ultra fast diodes across the switching FETs and let the leakage energy go back into the supply capacitors?
This 500W half-bridge (schematic on page 3) has an RC snubber across the primary (R1, C7) **broken link removed** This snubber is explained at Top of middle column of page 2. -Why would they bother with such a dissipative snubber? -Surely it would be better to simply put Ultra fast diodes across the switching FETs and let the leakage energy go back into the supply capacitors?