DC/DC converter
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United States of America Patent
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Dec 26, 2000
Grant Date -
N/A
app pub date -
Mar 19, 1999
filing date -
Mar 20, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A DC/DC converter including a switching transistor, an inductor, a smoothing capacitor, and a switching element which are connected so as to convert an input voltage U.sub.E to an output voltage U.sub.A greater or less than the input voltage U.sub.E. The current through the inductor can be measured by providing a comparator having a first input connected to the switching transistor, and a second input connected to a reference transistor and a reference current source so as to fix the switching threshold of the comparator at the second input.
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