SET-POINT RESOLUTION IMPROVEMENT FOR SWITCH MODE POWER SUPPLIES
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United States of America Patent
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Issued Date -
Sep 6, 2012
app pub date -
Mar 3, 2011
filing date -
Mar 3, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A Digital-to-Analog Converter (DAC) produces an analog reference value from a first reference input. The analog reference value and an output value are used to produce an analog error signal. An Analog-to-Digital Converter (ADC) converts the analog error signal to a digital value. The ADC has higher level of resolution than the DAC. An error encoder adjusts the digital value to produce a digital error value using a second reference input.
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