The XL2011 is a fixed 5 V, 2.1 A step‑down DC‑DC converter with 150 kHz switching frequency, wide input range and built‑in protections.
The XL2011 provides a fixed 5 V output at up to 2.1 A with a constant 150 kHz switching frequency. It supports an input voltage range of 8 V to 45 V, features an internal power MOS, and achieves up to 92 % efficiency. Built‑in protections include short‑circuit shutdown, thermal shutdown, and current limiting.
Typical applications include automotive chargers, battery chargers and USB power supplies. The device is supplied in an SOP‑8 package (part number XL2011 E1) and complies with RoHS standards. Ordering information and detailed electrical characteristics are provided in the datasheet. This manual is written in Chinese.
| Input voltage range | 8 V‑45 V |
|---|---|
| Output voltage | 5 V |
| Maximum output current | 2.1 A |
| Switching frequency | 150 kHz |
| Efficiency | up to 92 % |
| Package | SOP‑8 |
The XL2011 operates with an input voltage from 8 V to 45 V.
It includes output short‑circuit shutdown, thermal shutdown, and current‑limit functions.
The device can deliver up to 2.1 A of output current.
The XL2011 is available in an SOP‑8 package.