Patent ID: 9252651
Filing Date: 2016-02-02
CPC Classification: H02M,H03K

Claim Text:
1. A voltage drive circuit, comprising: a first plurality of transistors connected in series between a first source node and an output node; a plurality of voltage sources configured to provide a voltage to at least one of the first plurality of transistors; and a plurality of capacitors coupled across gates of the first plurality of transistors, each capacitor configured to store charges associated with changes at gates of the transistors, wherein the plurality of capacitors have capacitances selected to synchronize voltage changes at the first plurality of transistors, wherein the voltage drive circuit is configured to transition from a first steady state that provides a first voltage to a second steady state that provides a second voltage; wherein the plurality of capacitors are configured to store charges while transitioning from the first steady state to the second steady state; and wherein a difference between the first and second voltages is greater than a breakdown voltage of each of the first plurality of transistors.