The RTQ2104GSP-QA is a high efficiency DC-DC converter manufactured by Richtek. It comes with an SOP-8-EP (Small Outline Package) package and is RoHS (Restriction of Hazardous Substances) compliant. It provides a wide input voltage range, from 4.5V to 28V, and a programmable output voltage range of 0.8V to 4.75V. It is designed with a high level of protection, including a 0.85V undervoltage lockout, a 16V overvoltage lockout, current limit protection, thermal shutdown protection, and short circuit protection. This makes the RTQ2104GSP-QA a perfect solution for any high efficiency, wide input voltage applications.