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DATA SHEET www.onsemi.com
800 mA Low-Dropout Linear Regulator
LM1117, LM1117I
The LM1117 is a low dropout voltage regulator with a dropout of 1.2 V at 800 mA of load current. The LM1117 is available in an adjustable version, which can set the output voltage from 1.25 to 13.8 V with only two external resistors. In addition, it is available in five fixed voltages, 1.8 V, 2.5 V, 3.3 V, and 5 V.
The LM1117 offers current limiting and thermal shutdown. Its circuit is trimmed to assure output voltage accuracy to within +/−1%.
Features
Available in 1.8 V, 2.5 V, 3.3 V, 5.0 V, and Adjustable Versions Space−Saving SOT−223 Package Current Limiting and Thermal Protection Output Current 800 mA Line Regulation 0.2% (Maximum) Load Regulation 0.