dead time

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Hello,

Can somebody help me?. I am one of the ones constructing the rod´s elliots SMPS for car amplifier using the SG3525.

My question is related with the DEAD TIME. What is the design criteria to select the DEAD TIME...Shoul I use the td(off) and tfall from the MOSFET datasheets so the requiered DEAD TIME should be= td(off)+tfall?

Thanks in advance.
 
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