SIM300D power supply- planning to use a 4.2V @ 2A regulator

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nxavier

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sim300d power

we are to use 4 sim300d modules in each board to be powered by a wall wart adapter. i am to tasked to design a power supply for this. i thought of using a regulator but am very much confused with the 2A burst.

if we were to use 4 modules, is putting load capacitors before each module sufficient for this?

but to make sure, I am planning to use a 4.2V @ 2A regulator (and im stil looking for one). or maybe you can recommend any SWITCHING regulator to this design?

your help will be very much appreciated. thanks.
 

SIM300D power supply

You may refer this similar post related to the same topic.
 
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