Hi
I am using the LMR12015 in a standard step down design produced by Web bench. Have selected own capacitors, inductor and diode. These still meet the part design parameters. Operating current 120mA, input voltage 12V, output voltage 7.7V.
We are having a number of failures where the design is blowing/burning up in the corner region of pins 8,9 &10.
With this devices onboard protection what could cause the device to fail in this way? I am trying to understand if this is a placement/solder issue or a design issue.
Any help would be appriciated.
Thanks
Luke