All i will say is that voltage regulation is VERY tricky to say the least. If you want to run the entire system from a device such as this, the circuit must be capable of MASSIVE amounts of current i.e. rated for well above what you'll ever pull out of it. That, or use a smaller regulator and assume that it is only good for about 50%-60% of its' rating. On top of the brute force required to achieve such a task, the circuitry has to be very fast to respond to voltage changes / current demands. As such, you'll not get good performance out of one of these units unless they are quite hefty in terms of weight and capable of dissipating a good amount of heat. Sean
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