by Mike Gleason jr Couturier
Last Updated January 14, 2018 03:25 AM

I have a 12V/3.2A switching PSU powering an LTC3780 buck/boost converter rated at max 2-30V/0-10A.

Let's assume 100% efficiency, can the LTC3780 achieve more than 3.2A if set for example at 5V? I guess it is a general electronic question. Do we have to 1) think in watts here or 2) assume the amps out can't be higher than the amps in?

If we have to think in watts, would it mean that...

PSU: `12 * 3.2 = 38.4 Watts`

LTC3780 @ 5V: `38.4 / 5 = 7.68 A`

The LTC3780 would be able to push 7.68 amps @ 5 volts? (again, let's assume 100% efficiency)

Thank you!

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