一种具有自适应轻载效率提升和无缝模式切换的宽输入/输出电压范围Buck变换器

A wide-input/output-voltage-range buck converter with adaptive light-load efficiency improvement and seamless mode transition for high-voltage applications is presented in this article. The proposed design uses a load prediction structure to eliminate dc current sensor and to ensure high efficiency in the 0.02$\sim$2-A load range. The pulsewidth modulation (PWM) mode has been used for near-full lo...