A 13.56 MHz 40 mW CMOS High-Efficiency Inductive Link Power Supply Utilizing On-Chip Delay-Compensated Voltage Doubler Rectifier and Multiple LDOs for Implantable Medical Devices. - Chung-Yu Wu; Xin-Hong Qian; Ming-Seng Cheng; Yu-An Liang; Wei-Ming Chen (IEEE J. Solid State Circuits, 2014)