It has a lot of potential uses. If you were going to mass-produce a PWM adjustable mod with a machine-soldered PCB, this would be a good part to consider using. For a one-off mod made by hand, the QFN package just makes it very difficult to work with. If you're not familiar with the format, here is what is involved with soldering these tiny surface mount chips.
For my project, it isn't necessary. The Arduino will be supplying the PWM waveform, and the logic-level MOSFET I ordered will (hopefully) do the high-power switching.
For my project, it isn't necessary. The Arduino will be supplying the PWM waveform, and the logic-level MOSFET I ordered will (hopefully) do the high-power switching.