Part Number: PTH04040W Hi, team.
Several events have occurred in which a specific FET of PTH04040W burns out. The burning FET is circled in the figure below.
I think that other FETs will also break if input overvoltage, but only certain FETs are broken…
Liang:
I reviewed the PTh04040W regarding the start-up issue.
Can you send me a picture of the module top side and waveforms of the start-up issue.
Include in your e-mail, output caps, Poscon part numbers and ESR in milliohms?Also Include a copy of the…
