AMS1117-5.0V, 1A, SOT-223 Voltage Regulator IC is a series of low dropout three-terminal regulators with a dropout of 5.0V at 1A load current. AMS 1117 features a very low standby current of 2mA compared to the 5mA of a competitor. Besides a fixed version, Vout = 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V, and 12V, AMS1117 has an adjustable version, which can provide an output voltage from 1.25 to 12V with only two external resistors.
AMS 1117 offers thermal shutdown and current limit functions to assure the chip's and power system's stability. And it uses a trimming technique to guarantee output voltage accuracy within 2%. Other output voltage accuracy can be customized on demand, such as 1%