An Ultra-Low Power 22 nm Self-Oscillating Voltage Doubler With Dynamic Leakage-Suppression Logic

Abstract

This paper presents a new structure of a self-oscillating voltage doubler (SOVD) that has a very low power. In the proposed SOVD structure, the inverters present in the old structure of an SOVD are replaced with a dynamic leakage-suppression logic inverter to reduce power consumption. When simulated under the condition of an input voltage of 300 $\mathbf{mV}$, the leakage current and oscillation frequency can be reduced, resulting in extremely low power consumption. The input voltage conversion efficiency was 89.5%. The power efficiency was about 7 times higher than that of a conventional SOVD.