LM1117IMPX-3.3/NOPB

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 V to 13.8 V with only two external resistors. In addition, the device 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. The circuit includes a Zener trimmed band-gap reference to assure output voltage accuracy to within ±1%.

A minimum of 10-µF tantalum capacitor is required at the output to improve the transient response and stability.


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    SPECIFICATION

    • For a newer drop-in alternative, see the TLV1117
    • For drop-in replacements in fixed output SOT-223 package configuration and improved functionality, see the TLV761
    • Available in 1.8 V, 2.5 V, 3.3 V, 5 V, and adjustable versions
    • Space-saving SOT-223 and WSON packages
    • Current limiting and thermal protection
    • Output current: 800 mA
    • Line regulation: 0.2% (maximum)
    • Load regulation: 0.4% (maximum)
    • Temperature range:
      • LM1117: 0°C to +125°C
      • LM1117I: –40°C to +125°C