Innovated AC kicker for high speed low voltage swing differential output buffer with temperature compensation

摘要

Disclosed is a current booster or kicker for an output amplifier of a programmable logic control or other integrated circuit. The current booster includes a control mechanism and an auxiliary voltage supply. When a change in output state is initiated, the control mechanism connects the auxiliary voltage supply to the output of the output amplifier. After a change in output state in completed, the control mechanism disconnects the auxiliary voltage supply from the output of the output amplifier. In this way, the output amplifier can drive a relatively high capacitance load at a relatively high slew rate.