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What is High Efficiency PWM/PFM Buck Converter about?

This document describes a dual-mode buck DC-DC converter that can operate in either PWM or PFM mode to achieve high efficiency over a wide load range. It uses zero current detection to eliminate negative current in DCM mode and transitions to PFM mode under light loads. Under heavy loads, it uses current sensing to operate in CCM mode with PWM for high efficiency. The converter is designed using 180nm CMOS technology and achieves 96% peak efficiency from 250-6.5mA loads with a 3.3V input and 1.3V output. It

Author

doanminhtien030903

Language

EN