Load bypass slew control techniques
Abstract:
Techniques for an integrated slew-rate control circuit are provided. In certain examples, an adjustable, integrated slew-rate control circuit for a bypass transistor can provide three decades of adjustability. In an example, a slew-rate control circuit can include a load bypass transistor, a slew-rate control capacitor, electrically coupled between a conduction node of the load bypass transistor and a control node of the load bypass transistor, and a current mirror circuit. The current mirror circuit can include a sense transistor electrically coupled in series with the slew-rate control capacitor and the control node, and a mirror transistor electrically coupled between a power supply and the control node, to selectively provide, to or from the control node, a shunt current that bypasses the slew-rate control capacitor to limit a slew rate of a voltage at the conduction node.
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