A 4-Phase Integrated Voltage Regulator with In-Package Inductors Achieving 89.0% Peak Efficiency and 65% Droop Improvement for 6A/2ns Transient. - Kai Yuan; Chenzhou Ding; Junmin Jiang; Tiantian Tang; Junyi Ruan; Yelei Xie; Faen Liu; Shuguo Jiang; Tao Liu; Ka Nang Leung; Xun Liu (A-SSCC, 2024)