Power converter apparatus and methods using output current feedforward control
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United States of America Patent
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app pub date -
Sep 27, 2005
filing date -
May 13, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A controller for a boost converter includes a first current sense input configured to receive an inductor current sense signal representative of a current in the inductor and a second current sense input configured to receive an output current sense signal representative of an output current of the boost converter. The controller further includes a control circuit configured to be coupled to a boost switch of the boost converter and to control the boost switch responsive to the received inductor current sense signal to force an input current of the boost converter directly proportional to the output current and to an input voltage of the boost converter and inversely proportional to an output voltage of the boost converter. The invention may be embodied as apparatus or methods.
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