Hi Pedroza, this LM2577 Step-up converter cannot meet your requirement. We have another step up converter that can meet your requirements,please click here to get more infor:
http://www.amazon.com/gp/product/B00C9RM2QM/ref=as_li_tl?keywords=dc+converter
Please note the output current is 4A max. If the power is not enough, you can connect them in parallel to gain power.
Any other questions, please feel free to contact us.
Best regards,
DROK