DEAD TIME TRIMMING IN A CO-PACKAGE DEVICE
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United States of America Patent
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Issued Date -
Sep 18, 2008
app pub date -
Mar 13, 2008
filing date -
Mar 13, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of obtaining an optimized dead time for a synchronous switching power supply comprising a control IC and two series-connected switches, comprising packaging the control IC and the series-connected switches in a co-packaged module; providing a dead time delay circuit within the control IC circuit which has variable dead time; testing the switching power supply; varying the dead time in a defined sequence during the step of testing; monitoring a parameter during testing of the switching power supply as the dead time is varied; determining an optimal dead time based upon monitoring the parameter; and setting the dead time at the optimal dead time.
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