Hello All,
Regarding the Tmin setting for burst operation of device UCC28950 , I know that 13k is recommended minimum but please can anyone advise if there is a restriction on the maximum value?
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Hello All,
Regarding the Tmin setting for burst operation of device UCC28950 , I know that 13k is recommended minimum but please can anyone advise if there is a restriction on the maximum value?
The value of resistor RTMIN is shown calculated in equation 140 of document
http://www.ti.com/lit/an/slua560c/slua560c.pdf
TMIN is the minimum pulse width required and its value is going to be less than the normal operating pulse width.
So the this sets an upper limit on the value of TMIN