Division resistors' value : 1 t& \+ r9 |9 l( 1 ) No load current -> check your converter's stability in no-load, * {5 r$ [# f; T! P m+ p F# s# ~; ? make sure you have no dummy -load requirement. 7 O( D3 h! b3 B- ]" H. z( 2 ) Efficiency -> check your efficiency / power consumption spec w.r.t. the division resistor.