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A Regulated Charge Pump With Extremely Low Output Ripple, Mir Mohammad Navidi, David W. Graham
A Regulated Charge Pump With Extremely Low Output Ripple, Mir Mohammad Navidi, David W. Graham
Faculty & Staff Scholarship
Abstract: In this paper, we present a regulated charge pump with extremely low output ripple (mV) that can be used for accurate programming of nonvolatile memory. We present a technique to include a low-drop-out regulator inside the charge-pump regulation loop to reduce the ripple. This charge pump was fabricated in a 0.35 µm standard CMOS process. The die area of this charge pump is 0.163 mm2 . While operating from a 2.5 V supply, this charge pump generates regulated voltages up to 10 V.