This is a 3.3V DC/DC regulator, specifically a Murata OKI-78SR-3.3/1.5-W36-C.
They're highly efficient (~85%) and provide 3.3V @ 1.5A (4.95W) from a 7V to 36V input.
It's ideal if you need to produce 3.3V from a higher voltage power source for your project.
- 7 - 36V Input
- 3.3V @ 1.5A Output (4.95W)
- < 40 mV peak-to-peak ripple
- Vertical mount, small footprint package
- “No heat sink” direct replacement for 3-terminal 78xx-series linear regulators
- High efficiency (~85%) with no external components
- Short circuit protection
- Outstanding thermal derating performance
- UL/EN/IEC 60950-1, 2nd Edition safety approvals