Pls help to me .How to protection TPS40322 under test start up over voltage protection ?
Condition test is below .
1.Start up Over voltage protection test :
Condition test :Open feed back of TPS40322 then power on the unit
Result :The TPS40322 is damage
2.Continous over voltage protection test :
Condition test :Power on the unit then open feed back of TPS40322
Result : The TPS40322 is not damage
Thank you so much & Bestregard