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Amplifier with miller-effect compensation for use in closed loop system such as low dropout voltage regulator
Amplifier with miller-effect compensation for use in closed loop system such as low dropout voltage regulator
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机译:具有米勒效应补偿的放大器,用于闭环系统,例如低压差稳压器
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摘要
Circuitry including Miller-effect feedback for use as part of a closed loop system such as a low dropout voltage regulator that provides current to a load at a specified voltage close in value to the power supply voltage. Various aspects of the presently claimed invention include using, within the Miller-effect feedback loop: a buffer amplifier to reduce loading effects upon an internal high impedance circuit node, output compensation circuitry to introduce a transfer function pole for substantially canceling a transfer function zero associated with external load circuitry; and Miller-effect compensation circuitry to introduce a transfer function zero for substantially canceling a transfer function pole associated with the Miller-effect feedback.
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