what "Start threshld" and "minimum operation voltage after turnon" mean and its different ?
how do we use 2 below different parameters ?
is there any reason why there are 2 different voltage?
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I am listing the UVLO(on) value with the corresponding UVLO(off) in brackets ( ) below for the UC2845A
These value were taken from the table in your first post :
7.8 ( 7 )
8.4 (7.6 )
9 ( 8.2 )
There is 0.8V of a difference between each of these values.
So for example if a device turns on at 9V it will turn off at 8.2V
There is no overlap.