power supply protection strategy for AD8031

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yef smith

Joined Aug 2, 2020
1,454
I just want to learn about protection diodes and in what cases they being used and how.
if you could help me with some tips.
Thanks.
 

Ian0

Joined Aug 7, 2020
13,123
If you want to protect it from theft, then solder it to the board instead of using a socket.

But seriously, if you read page 13 of the datasheet there is a good description as to how overdriving it could make it fail.
That would suggest that reverse biased diodes to both supplies would be adequate protection, the current rating of the diode should reflect the magnitude of the prospective fault current.
You have to determine the prospective fault current for the circuit in which you are using it,
 
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