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Low dropout voltage regulator without capacitor low voltage on - chip to control Q.
Low dropout voltage regulator without capacitor low voltage on - chip to control Q.
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机译:低压差稳压器,无需在芯片上提供电容器低压控制Q。
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摘要
Systems and method for a capacitor-less Low Dropout (LDO) voltage regulator. An error amplifier is configured to amplify a differential between a reference voltage and a regulated LDO voltage. Without including an external capacitor in the LDO voltage regulator, a Miller amplifier is coupled to an output of the error amplifier, wherein the Miller amplifier is configured to amplify a Miller capacitance formed at an input node of the Miller amplifier. A capacitor coupled to the output of the error amplifier creates a positive feedback loop for decreasing a quality factor (Q), such that system stability is improved.
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