I recently purchased a U3V70A for a project that requires a continuous 19v from a lithium source of around 11-17v (depending on charge).
As I begin to put the project together I am just checking over the components and I’m not sure this little board is quite up to the task.
The 19v required will be at a peak of 64w/3.4 amps, but usually lower than this.
The description for this item says “6 A can typically be maintained for many minutes without triggering thermal shutdown” - As I would be wanting to run this item for hours at a time I am concerned by this line.
At the lower end of the input voltage of 11v this would be drawing around 6A (more than this actually, with efficiency taken into account). I would like this to be able to do this continuously, so the ‘many minutes’ line concerns me. However, the step up (from 11-19v max) is not particularly large (certainly not 4v to 20v).
I am essentially wondering if this little thing is up to the task or if I should go for something a little more substantial.
I am also just noticing the output current may be a smidge too high… the charts only show 15v output. But at 15v the max continuous output current is about 3.5amps/52w, even if 19v was also 52w it’s below my peak output requirements, but it’s pushing things a bit.