A 10 V Fully-Integrated Switched-Mode Step-up Piezo Drive Stage in 0.13µm CMOS Using Nested-Bootstrapped Switch Cells. - Christopher M. Dougherty; Lin Xue; Jeffrey Pulskamp; Sarah Bedair; Ronald Polcawich; Brian Morgan; Rizwan Bashirullah (IEEE J. Solid State Circuits, 2016)