PULSE WIDTH MODULATION CONTROL CIRCUIT
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United States of America Patent
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Issued Date -
Mar 6, 2008
app pub date -
Jul 6, 2007
filing date -
Jul 6, 2006
priority date (Note) -
Abandoned
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Abstract
A pulse width modulation control circuit for providing a pulse width modulation signal in accordance with an embodiment of the present application includes a comparator operable to compare a first input to a second input and to provide the pulse width modulation signal based on the comparison, wherein the first input is an error signal and the second input is a ramp signal, wherein a first portion of the ramp is a decreasing ramp signal having a first slew rate and a second portion of the ramp signal is an increasing ramp signal having a second slew rate.
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