BabyGeezer:
i see, good to know !
Thanks, that puts my mind at easeI see - I kinda figured that the power (wattage) is the limiting factor.
Conversely, with a boost converter, we can then expect a drop in the current ?
(eg. from a 5V@1A supply, we won't get 1A if we boost it to 9V)Okay - i shall proceed with confidence !
Power is a limiting factor, read the data sheet for the DC DC converter. However, for what you have described, I don't think you will have a problem as long as the converter you are using is rated to supply at least 1A. If a DC DC converter were 100% efficient (obviously they are not) then the input power would equal the output power, so Vin * Iin would equal Vout * Iout.
Yes, if you use a boost converter then the output current will be lower than the input current.
(I'd better hide in case it goes BANG!)