Voltage regulator for providing an output voltage (Vout) to a load (Zload)
having an output transistor (T1), an operational amplifier (OA), and a
first reference voltage source (VS). The negative input of the
operational amplifier (OA) is connected to a feedback line (FL) to
receive an input voltage derived from the output voltage. The first
reference voltage source (VS) provides a reference voltage (Vref) to the
positive input (IN2) of the operational amplifier (OA). The output (O1)
of the operational amplifier (OA) is connected to a floating voltage
source (FVS; C1). The other side of the floating voltage source is
connected to a gate terminal (G) of the output transistor (T1). The
floating voltage source (FVS) provides a voltage level (Vg) at the gate
terminal of the output transistor (T1) higher than the output voltage of
the operational amplifier (OA).