The XLSEMI XL2011 datasheet provides specifications, pin configuration, and application details for a 5 V/2.1 A USB buck converter.
The XL2011 is a fixed‑frequency 150 kHz PWM buck (step‑down) DC/DC converter designed for USB interface applications. It delivers a regulated 5 V output at up to 2.1 A with high efficiency (up to 92%) and includes built‑in protection features such as output short shutdown, thermal shutdown, and current limiting.
The datasheet lists electrical characteristics, pin descriptions, typical application circuits, and performance curves. It also provides ordering information, package dimensions (SOP8L), and environmental ratings such as operating temperature and thermal resistance.
| 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 | SOP8L |
| Thermal resistance (junction‑to‑ambient) | 100 °C/W |
| Operating temperature range | -40 °C to 125 °C |
The XL2011 operates from 8 V to 45 V DC.
It can deliver up to 2.1 A at the regulated 5 V output.
The device includes output short shutdown, thermal shutdown, and current limit functions.