A Scalable Cyclically Coupled Multi-phase Hybrid DC-DC Converter with Duty-Cycle Calibration for 48V Data-Center Power Delivery. - Yuxiao Yang; Sasa Tong; Zhengxi Wang; Hanbo Tu; Zheng Yang; Ruize Sun; Zekun Zhou; Wanjun Chen; Bo Zhang 027 (ISCAS, 2026)