Hi all,
We are using TPS40061 in our design. I looked at the datasheet but there is no mention of the maximum output current. However in the specification page for the part the maximum current is set to 10A. I am trying to have output current between 12A to 16A. In our design for the input of 24V, it seems the conversion to 5V is efficient (efficiency around 85% to 90%). However when I use 48V as input, the efficiency drops dramatically (70%) ( board is 10degrees hotter and 10W more consumed for the same load). I am using load between 12 to 16A.
Couple of question:
Why the web site put 10A for the part and no mention in the datasheet.
Is the above efficiency for voltages is normal for the part at 48V and load.
Is there any advice to make it more efficient for 48V to 5V (switching frequency, etc)
Any other part that can handle 20V-50V input for delivery of 5V and 15A
Thank you for your time.
Cheers,
Sal