Select flyback or flybuck™ for up to 120 W, push-pull for up to 200 W, forward-mode for half-bridge, full-bridge, or active clamp up to 300 W, or low-profile planar for up to 800 W power.
This technical bulletin compares the forward and flyback topologies to aid in selecting the appropriate topology for your application: Forward or Flyback? Which is Better? Both!