Low-dropout on-chip voltage regulator for low-power circuits

A series-type, on-chip voltage regulator generates 2.5 V from a 3.3-V supply for low-power ICs implemented in a scaled, low-voltage, 0.25-/spl mu/m CMOS technology. The gate of the n-channel regulating MOSFET is boosted above the given supply voltage to enable low-dropout regulation.

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