Other Parts Discussed in Thread: , TPS2663, TPS2660
My customer is interested in LM5069 and has questions.
They'd like to know about about surge and noise countermeasures.
We plan to perform EMC tests such as lightning surge tests in our application.
We are considering LM5069 for that project.
According to the data sheet, when the voltage between the VIN-SENSE terminals exceeds 55mV, the FET is turned off and the current is cut off.
55mV is a quite small voltage, and I'm concerned that it may be susceptible to noise.
At that time, noise should not be used to erroneously detect the voltage between the VIN-SENSE terminals and turn off the FET.
The standards that need to be met are as follows
Could you please let us know the materials for surge and noise countermeasures.
A reference design would be helpful.
Regarding surge, I could find the description in LM5069EVM-627, if you have more detailed information, please provide it.
As for noise, I think it is necessary to install with an external filter.
However, I could not find it in the related materials of LM5069.
Could you please provide related application note.
I appreciate your great help in advance.