一种用于移动设备、具有无缝模式切换和快速动态性能的1-6 MHz数字辅助Buck-Boost变换器

A 1-A 6-MHz buck-boost converter with seamless mode transitions and fast dynamic operation is proposed for extending the useable voltage range of Li-ion batteries in mobile devices, and thereby their battery life. The proposed converter employs a proportional-integral peak-current-mode pulsewidth modulation controller with a digital adaptive slew-rate control scheme that minimizes output undershoo...