This is an OKI-78SR-5/1.5-W36H-C DC/DC regulator! They're highly efficient ~90%, and provide 5V @ 1.5A (7.5W) from a 7V to 36V input.
Ideal if you need to produce 5V from a higher voltage power source for your project.
Unlike noisy UBECs, this regulator provides < 75 mV peak-to-peak ripple.
Features
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