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HI Application team:
My customer use LM5050-2 in our product. The related schematic information is as follows:
Between +24V_in and ZP, there can be -35V applied. In this case, diode V209, is used to protect A201(LM5050-2). And at the same time we also use diode V207 and V208 to make sure the voltage between U+ and 0V, between OUT and 0V of LM5050-2 do not exceed -0.3V, which is stated in the datasheet of LM5050-2.
The point now is, Can we remove V207 and V208, and only rely on V209 to protect LM5050-2 under reverse polarity case(between +24V_in and ZP)?
We can make sure that under worst case the reverse leakage current of V209 is less than 100uA.
Can we say under this reverse current LM5050-2 is safe without additional protection of V207 and V208. Removing V207 and V208 is now critical to our design due to limited PCB space.
