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buck-boost AC-DC convertion

Question asked by ammatuna.carlo.006 on Feb 24, 2014
Latest reply on Feb 25, 2014 by kosenko.stanislaw
Good morning,
we are looking for an configuration for our application LED driver.
We are taking a look among your AN, for L6562 designing in buck-boost config.
In the AN3111, at pg8, there is a not clear equation (equation 9). Wich is the value of Vpk? If Vpk is the value of the peak of Vin, the result of the equation 9...=108 is not clear.
For more details, read the files in attached.
Thank you for attention,
best regards,
Eng.C.Ammatuna.

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