Abstract: A switched-mode power supply having a main output (O/P1) and one or more other outputs (O/P2, O/P3 and O/P4), wherein the outputs are regulated both by flyback control and forward control and wherein the power supply includes a transformer (T) having a primary winding, a main output winding (L2) and one or more other output windings (L3, L4 and L5), a primary converter (1) associated with the primary winding, a forward conversion circuit (S1, T, D2, D3, L.sub.