Hi Lin,
There is more switching noise (due to discontinuous currents in the input loop) that can couple into the the feedback loop if R4007 is referenced to the PGND instead of AGND.
The right layout would be to connect R4007 connect to AGND(PIN3…
Hi Sherry,
EVM is still in stock. Please check the link below.
https://www.ti.com/tool/TPS62065-67EVM-347
If you have trouble please feel free to contact internally.
Best regards,
Tanvee
