I'm sure this will sound like a stupid question but I am wondering how much of a current buffer I would need to power the following devices? A2035 GPS Module - Peak Current = 49 mA Mega328 - Maximum Current VCC -> GND = 200 mA SD Card - ??? but I have read anywhere from 50 - 200 mA during a write…

Sizing a voltage regulator for an application?

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