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Cascaded Linear Regulator With Positive Voltage Tracking Switching Regulator, Brandon K. Nghe
Cascaded Linear Regulator With Positive Voltage Tracking Switching Regulator, Brandon K. Nghe
Master's Theses
This thesis presents the design, simulation, and hardware implementation of a proposed method for improving efficiency of voltage regulator. Typically, voltage regulator used for noise-sensitive and low-power applications involves the use of a linear regulator due to its high power-supply rejection ratio properties. However, the efficiency of a linear regulator depends heavily on the difference between its input voltage and output voltage. A larger voltage difference across the linear regulator results in higher losses. Therefore, reducing the voltage difference is the key in increasing regulator’s efficiency. In this thesis, a pre switching regulator stage with positive voltage tracking cascaded to …