i have to design power supply module. in that case i took a power source from PoE concept. in order to do that i choose TPS2375-1 IC. my application require various range of supply, like 12v/500ma, and 3.3v/250ma. and i'm scared of dc/dc convertor. can i get this functionalists in one ic to regulate power.i found one reference design in that **broken link removed** .which is giving 3.3v/1.5a. how to get output form my need. please give some suggestion.