Limiting the continuous mode of a power converter
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United States of America Patent
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May 30, 2006
Grant Date -
N/A
app pub date -
Sep 28, 2000
filing date -
Sep 28, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The invention concerns a control circuit (20) of a switch (6) chopping a voltage supply of a primary winding of a power converter transformer, comprising means (45) for detecting the current in the switch in closed state after a predetermined time following each closure of said switch, and a comparator (40) of said current relative to a threshold (Ilim), the result of said comparator being taken into account for a predetermined time interval close to the beginning of a closing cycle of said chopping switch.
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