Power switching device, comprising - a first input terminal (in 1) to apply an input voltage (V in) from a power stage, - a second input terminal (in 2) to apply a control voltage (V G) from a controller, - a buffer circuit to provide a buffer output voltage (V b) dependent on the input voltage (V in) and the control voltage (V G), - a filter circuit to block a direct component (V DC) of the buffer output voltage (V b) and to provide a primary side voltage (V 1), - a transformer to transform the primary side voltage (V 1) into a secondary side voltage (V 2), - a restoration circuit to at least partially add the blocked direct component (V DC) to the secondary side voltage (V 2) and to provide a unipolar conditioning voltage (V D), wherein the restoration circuit comprises a blocking element (D r), which is a diode and connected in parallel to a series connection of a secondary side winding of the transformer and a restoration capacitor (C s), - a conditioning circuit to provide a driving signal (i, V GS) dependent on the unipolar conditioning voltage (V D), and - a power switch connected to a first output terminal (outi) and a second output terminal (out 2), which is controlled by the driving signal (i, V GS), - -a switch-on-circuit which is part of the conditioning circuit and comprises a blocking element (D on), which is a diode and which is configured to allow a flow of a driving current (i) such that the power switch is switched on when the unipolar conditioning voltage (V D) has a first voltage level (V D1), - a switch-off-circuit which is part of the conditioning circuit and comprises exactly one control switch (S 1), which is configured to allow a flow of the driving current (i) such that the power switch is switched off when the unipolar conditioning voltage (V D) has a second voltage level (V D2), wherein the conditioning circuit is connected to the power switch such that a charged internal capacitance (C GS) of the power switch provides a first level of a driving voltage (V GS) such that the power switch is switched on and the discharged internal capacitance (C GS) provides a second level of the driving voltage (V GS) such that the power switch is switched off. - a first input terminal (in 1) to apply an input voltage (V in) from a power stage, - a second input terminal (in 2) to apply a control voltage (V G) from a controller, - a buffer circuit to provide a buffer output voltage (V b) dependent on the input voltage (V in) and the control voltage (V G), - a filter circuit to block a direct component (V DC) of the buffer output voltage (V b) and to provide a primary side voltage (V 1), - a transformer to transform the primary side voltage (V 1) into a secondary side voltage (V 2), - a restoration circuit to at least partially add the blocked direct component (V DC) to the secondary side voltage (V 2) and to provide a unipolar conditioning voltage (V D), wherein the restoration circuit comprises a blocking element (D r), which is a diode and connected in parallel to a series connection of a secondary side winding of the transformer and a restoration capacitor (C s), - a conditioning circuit to provide a driving signal (i, V GS) dependent on the unipolar conditioning voltage (V D), and - a power switch connected to a first output terminal (outi) and a second output terminal (out 2), which is controlled by the driving signal (i, V GS), - -a switch-on-circuit which is part of the conditioning circuit and comprises a blocking element (D on), which is a diode and which is configured to allow a flow of a driving current (i) such that the power switch is switched on when the unipolar conditioning voltage (V D) has a first voltage level (V D1), - a switch-off-circuit which is part of the conditioning circuit and comprises exactly one control switch (S 1), which is configured to allow a flow of the driving current (i) such that the power switch is switched off when the unipolar conditioning voltage (V D) has a second voltage level (V D2),