Hi, TI expert
I have an inquiry while using the LM5050-2 (LM5050MKX-2/NOPB) by a customer.
* A18V output is normal after replacing defective IC
1. Symptoms
There is a phenomenon in which the output is dropped by 0.8V compared to the FET input. (Vin: 18V → Vout: 17.2V)
2. Review items
-Check the difference by about 5.7V when reviewing the IC Gate Pin Level (Good: 25.3V / Bad: 19.6V)
-Output is normal when bad board, gate pin pattern is cut off and DC voltage 25V is applied
-Same phenomenon occurs when bad IC is swapped to a good board
Please check the above 1. Symptoms and 2. Review items.
Thank you.