The XRP6272 is a low dropout voltage regulator capable of a constant output current up to 2 Amps. A wide 1.8V to 6V input voltage range allows for single supply operations from industry standard 1.8V, 2.8V, 3.3V, and 5V power rails as well as the 5.8V rail.
Datasheets by Manufacturer
XRP6274 — Exar — 2A Ultra Low Dropout Voltage Regulator