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20% OFF 2Pcs DC-DC Adjustable Power Supply Buck Converter Step Down Module US$7.99 US$9.99 View It

Overall:

scytale 22/07/2018

This one is decent, I tested it at 6.3V output with currents jumping between 0 and 1.3A (with 1.3A staying 70% of the time) and input voltages 9V and 12V. It keeps the output well stable and the ripple is - mostly - within the promised 30mV, while it may jump up to 75mV at very low currents. Unlike the MP1584-based converters here - which will run very hot at the same conditions as above and will need a heat sink - this one (RT8272-based) runs well warm, but is still far from needing any cooling. I doubt it will hold 2A well at higher output voltages though. Still, it is a very decent step-down converter and its slightly higher price is well justified.

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