A DC/DC converter comprising: an inductor and a low-side switch connected in a series conduction path between a first and a second supply voltage terminal, the inductor being coupled to the first supply voltage terminal (Vbatt) and the low-side switch being coupled to the second supply voltage terminal, a Vx node being located in the series conduction path between the inductor and the low-side switch ; an energy transfer switch connected between the Vx node and an output terminal of the converter; and a freewheeling switch connected in parallel with the inductor , the freewheeling switch including a freewheeling MOSFET , characterised in that : the freewheeling switch further includes a body bias generator , the body bias generator being adapted to short the body of the freewheeling MOSFET to one of the source and drain of the freewheeling MOSFET responsive to a relationship between the voltages present at the source and drain, respectively, of the freewheeling MOSFET so as to prevent any P-N junction in the freewheeling MOSFET from becoming forward-biased, and the DC/DC converter further includes an adaptive clamping circuit connected in parallel with said inductor, said adaptive clamping circuit including a clamping diode connected in series with a clamping switch, said clamping diode being oriented so as to prevent a voltage at said Vx node from exceeding a level approximately equal to said first supply voltage (Vbatt). an inductor and a low-side switch connected in a series conduction path between a first and a second supply voltage terminal, the inductor being coupled to the first supply voltage terminal (Vbatt) and the low-side switch being coupled to the second supply voltage terminal, a Vx node being located in the series conduction path between the inductor and the low-side switch ; an energy transfer switch connected between the Vx node and an output terminal of the converter; and a freewheeling switch connected in parallel with the inductor , the freewheeling switch including a freewheeling MOSFET , characterised in that : the freewheeling switch further includes a body bias generator , the body bias generator being adapted to short the body of the freewheeling MOSFET to one of the source and drain of the freewheeling MOSFET responsive to a relationship between the voltages present at the source and drain, respectively, of the freewheeling MOSFET so as to prevent any P-N junction in the freewheeling MOSFET from becoming forward-biased, and the DC/DC converter further includes an adaptive clamping circuit connected in parallel with said inductor, said adaptive clamping circuit including a clamping diode connected in series with a clamping switch, said clamping diode being oriented so as to prevent a voltage at said Vx node from exceeding a level approximately equal to said first supply voltage (Vbatt). the freewheeling switch further includes a body bias generator , the body bias generator being adapted to short the body of the freewheeling MOSFET to one of the source and drain of the freewheeling MOSFET responsive to a relationship between the voltages present at the source and drain, respectively, of the freewheeling MOSFET so as to prevent any P-N junction in the freewheeling MOSFET from becoming forward-biased, and the DC/DC converter further includes an adaptive clamping circuit connected in parallel with said inductor, said adaptive clamping circuit including a clamping diode connected in series with a clamping switch, said clamping diode being oriented so as to prevent a voltage at said Vx node from exceeding a level approximately equal to said first supply voltage (Vbatt). <EOS>