A switched mode power supply comprising: - a reactive element comprising a first terminal and a second terminal, the second terminal being configured to provide an output voltage for the switched mode power supply; - a switching stage having first and second inputs (21,22), the switching stage being configured to charge and discharge the reactive element, via the first terminal, during first charging time periods and first discharging time periods, respectively, dependent on first and second control signals (S1, S2) applied to the first and second inputs (21,22), respectively, the switching stage being arranged between first and second supply voltages (V1,90 and V2,92); - a control signal generator arranged to generate the first and second control signals at the first and second inputs (21,22), respectively, via respective first and second control signal paths (40,50), wherein the first control signal path is configured to deliver the first control signal to the first input of the switching stage at a first drive voltage, during the first charging time periods, and wherein the first control signal path is coupled to a first node and is arranged to determine the first drive voltage dependent on a difference between a first node voltage (Vnode) at the first node, in the first control signal path, and a voltage (Vind) at the first terminal of the reactive element; - a delay detector arranged to determine a relative delay between the first and second control signals, through the first and second control signal paths (40,50); - an adjustable delay stage in one of the first and second control signal paths (40,50), the adjustable delay stage being configured to control an adjustable delay to compensate for the relative delay, and characterized by, - a first capacitive element coupled between the reactive element and the first node; - a first charging diode coupled between the first node and a third supply voltage (V3,93) and arranged for charging the first capacitive element from the third supply voltage (V3, 93); - a second capacitive element having a first terminal coupled to the first terminal of the reactive element and a second terminal coupled to a second node; a second charging diode coupled between the second node and a fourth supply voltage (V4, 94) and arranged for charging the second capacitive element from the fourth supply voltage; wherein the fourth supply voltage (V4, 94) is higher than the third supply voltage (V3,93); and a voltage regulator coupled between the first node and the additional power supply voltage (V4, 94) and configured to control the first node voltage (Vnode), wherein the voltage regulator comprises a first regulator terminal coupled to the second node, a second regulator output coupled to the first node, and a third regulator terminal coupled to the first terminal of the reactive element, and wherein the voltage regulator is arranged to control the first node voltage (Vnode).. - a reactive element comprising a first terminal and a second terminal, the second terminal being configured to provide an output voltage for the switched mode power supply; - a switching stage having first and second inputs (21,22), the switching stage being configured to charge and discharge the reactive element, via the first terminal, during first charging time periods and first discharging time periods, respectively, dependent on first and second control signals (S1, S2) applied to the first and second inputs (21,22), respectively, the switching stage being arranged between first and second supply voltages (V1,90 and V2,92); - a control signal generator arranged to generate the first and second control signals at the first and second inputs (21,22), respectively, via respective first and second control signal paths (40,50), wherein the first control signal path is configured to deliver the first control signal to the first input of the switching stage at a first drive voltage, during the first charging time periods, and wherein the first control signal path is coupled to a first node and is arranged to determine the first drive voltage dependent on a difference between a first node voltage (Vnode) at the first node, in the first control signal path, and a voltage (Vind) at the first terminal of the reactive element; - a delay detector arranged to determine a relative delay between the first and second control signals, through the first and second control signal paths (40,50); - an adjustable delay stage in one of the first and second control signal paths (40,50), the adjustable delay stage being configured to control an adjustable delay to compensate for the relative delay, and characterized by, - a first capacitive element coupled between the reactive element and the first node; - a first charging diode coupled between the first node and a third supply voltage (V3,93) and arranged for charging the first capacitive element from the third supply voltage (V3, 93); - a second capacitive element having a first terminal coupled to the first terminal of the reactive element and a second terminal coupled to a second node; a second charging diode coupled between the second node and a fourth supply voltage (V4, 94) and arranged for charging the second capacitive element from the fourth supply voltage; wherein the fourth supply voltage (V4, 94) is higher than the third supply voltage (V3,93); and