一种具有1.2%误差自动可选频率锁定功能的96.5%效率电流模式迟滞Buck变换器

This paper proposes a current mode hysteretic buck converter with auto-selectable frequency locking. In this work, the hysteresis of the hysteretic comparator and the resistance of the feedback network are adjusted simultaneously to fix the switching frequency. The proposed switching frequency locking scheme can improve the power efficiency and fix the spectral components of the output at specific...