Chip implementation of low-power high-efficient buck …
of 0.1 mA – 10 mA. This chip is suitable for battery-based IoT systems, or wearable medical devices. Keywords Buck converter · PFM control · Low-power · Chip design · Battery · Frequency modulation 1 Introduction There are an increasing number of low-power devices that rely on batteries, but some of these have long periods of inactivity.