A Digitally Controlled Fully Integrated Voltage Regulator With 3-D-TSV-Based On-Die Solenoid Inductor With a Planar Magnetic Core for 3-D-Stacked Die Applications in 14-nm Tri-Gate CMOS.
Harish Kumar KrishnamurthySheldon WengGeorge E. MatthewNachiket V. DesaiRuchir SaraswatKrishnan RavichandranJames W. TschanzVivek DePublished in: IEEE J. Solid State Circuits (2018)