A switched-capacitor converter comprising: an input for coupling to an input power supply; an output for providing power to a load; a rectifier (140, 146) comprising a first rectifier branch and a second rectifier branch each connected between the output and ground, the first rectifier branch comprising two switches (Q7, Q8) connected in series at a first half-bridge switching node (V 4), and the second rectifier branch comprising two switches (Q9, Q10) connected in series at a second half-bridge switching node (V 5); a first switch stage comprising a first switch (Q 1) and a second switch (Q 2) connected in series at a first connection node (V 1) and interposed between the input and the output; a first resonant leg comprising a first resonant capacitor (C R1) that couples the first connection (V 1) node to the first half-bridge switching node (V 4) of the first rectifier branch; a second switch stage comprising a third switch (Q 3) and a fourth switch (Q 4) connected in series at a second connection node (V 3), wherein the first switch stage and the second switch stage are connected in series between the input and the output and are interconnected at a first interstage node (V 2); a second resonant leg comprising a second resonant capacitor (C R2) that couples the second connection node (V 3) to the first half-bridge switching node (V 4) of the first rectifier branch; and a first flying leg comprising a first flying capacitor (C FLY1) that couples the first inter-stage node (V 2) to the second half-bridge switching node (V 5) of the second rectifier branch, a controller operable to alternate switching of the first switch (Q 1) and the second switch (Q 2), so as to transfer energy from the input to the output, and to switch the third switch (Q 3) in the same manner as the first switch (Q 1) and the fourth switch (Q 4) in the same manner as the second switch (Q 2), and wherein the switching is performed at a switch frequency chosen to approximate zero current switching conditions for each of the switches (Q 1, Q 2); characterized by a first inductor (Lzvs; L ZVS1) that is connected between the first half-bridge switching node (V 4) of the first rectifier branch and the second half-bridge switching node (V 5) of the second rectifier branch, or a first inductor (L ZVS1) connected between the first half-bridge switching node (V 4) of the first to rectifier branch and ground and a second inductor (L ZVS_F1) connected between the second half-bridge switching node (V 5) of the second rectifier branch and ground. an input for coupling to an input power supply; an output for providing power to a load; a rectifier (140, 146) comprising a first rectifier branch and a second rectifier branch each connected between the output and ground, the first rectifier branch comprising two switches (Q7, Q8) connected in series at a first half-bridge switching node (V 4), and the second rectifier branch comprising two switches (Q9, Q10) connected in series at a second half-bridge switching node (V 5); a first switch stage comprising a first switch (Q 1) and a second switch (Q 2) connected in series at a first connection node (V 1) and interposed between the input and the output; a first resonant leg comprising a first resonant capacitor (C R1) that couples the first connection (V 1) node to the first half-bridge switching node (V 4) of the first rectifier branch; a second switch stage comprising a third switch (Q 3) and a fourth switch (Q 4) connected in series at a second connection node (V 3), wherein the first switch stage and the second switch stage are connected in series between the input and the output and are interconnected at a first interstage node (V 2); a second resonant leg comprising a second resonant capacitor (C R2) that couples the second connection node (V 3) to the first half-bridge switching node (V 4) of the first rectifier branch; and a first flying leg comprising a first flying capacitor (C FLY1) that couples the first inter-stage node (V 2) to the second half-bridge switching node (V 5) of the second rectifier branch, a controller operable to alternate switching of the first switch (Q 1) and the second switch (Q 2), so as to transfer energy from the input to the output, and to switch the third switch (Q 3) in the same manner as the first switch (Q 1) and the fourth switch (Q 4) in the same manner as the second switch (Q 2), and wherein the switching is performed at a switch frequency chosen to approximate zero current switching conditions for each of the switches (Q 1, Q 2); characterized by a first inductor (Lzvs; L ZVS1) that is connected between the first half-bridge switching node (V 4) of the first rectifier branch and the second half-bridge switching node (V 5) of the second rectifier branch, or a first inductor (L ZVS1) connected between the first half-bridge switching node (V 4) of the first to rectifier branch and ground and a second inductor (L ZVS_F1) connected between the second half-bridge switching node (V 5) of the second rectifier branch and ground.