The current trend in electric vehicles increases the power train voltage towards 800 V and higher, and even though these vehicles carry enough power in the HV battery they currently still include an additional LV 12 V battery. Eliminating this battery with DCDC converters has several advantages. Using multiple DCDC converters provides redundancy and reliability. However, conventional flybacks can hardly be used due to high power dissipation in the snubber network. Applying active clamping topologies along with a non-complementary control scheme allows the recycling of the leakage energy of the transformer and pushes the efficiency of the flyback to unseen >96%. This study focuses on the inherent dependency on parasitics in such flyback topologies and investigates how the variability of the parasitics influences the variability of the efficiency. This study will include hardware testing along with confirmation by simulation.