PULSE WIDTH MODULATED POWER REGULATOR WITH LOOP STABILIZER
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United States of America Patent
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Issued Date -
Jan 29, 2015
app pub date -
Jul 24, 2013
filing date -
Jul 24, 2013
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Abstract
A circuit may include a detector, a modulator, a switch, and a stabilizer. The detector may detect current supplied to an output of the circuit to generate an overcurrent signal. The modulator may modulate a pulse signal based upon the output of the circuit. The switch may control a power stage to generate the output of the circuit based upon the overcurrent signal and the pulse signal. The stabilizer may send an offset signal to the modulator. The stabilizer may generate the offset signal with a magnitude adjusted based upon the overcurrent signal, and the modulator may adjust the pulse signal based upon the offset signal.
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