IC identification - top markings LA50 1XB50
Any ideas what it is or how I identify it?


Determine the package type (eg. SOT89-3)

Do a Google image search on function, package, and marking code

Search for datasheet.

Check that pinout and circuit matches device specs.


I searched Google images for &quot;DC/DC LA50&quot; and got this:-

Then I searched for BL8531 and got this:-