topology and switching mosefets

[hardwareuser939]

tps 61100 ucc 3800 is switching transistor / mosefet controller . which topology uses this switching mosefet and what is the efficiency
***( full bridge - boost - resonant forward - buck boost - buck )
****( 93% - 92% - 78% - 88% - 90%- 80 % - 87% - 75% )

 

[COLGeek]

Please clarify your question. No one is going to be able to offer much as currently stated.