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With a dropout voltage as low as 0.2V, this LDO regulator ensures efficient power conversion with minimal waste heat generation

LM1117IMPX-5.0/NOPB General Description

One of the key features of the LM1117 is its versatility in adjusting the output voltage. With the adjustable version, users can easily set the output voltage anywhere between 1.25 V and 13.8 V using just two external resistors. For added convenience, the device is also available in fixed voltages of 1.8 V, 2.5 V, 3.3 V, and 5 V, catering to a wide range of applications

Key Features

  • 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


Output options Adjustable Output, Fixed Output Iout (max) (A) 0.8
Vin (max) (V) 15 Vin (min) (V) 2.6
Vout (max) (V) 13.8 Vout (min) (V) 1.25
Fixed output options (V) 1.8, 2.5, 3.3, 5 Noise (µVrms) 38
Iq (typ) (mA) 5 Thermal resistance θJA (°C/W) 24
Rating Catalog Load capacitance (min) (µF) 10
Regulated outputs (#) 1 Accuracy (%) 3
PSRR at 100 KHz (dB) 47 Dropout voltage (Vdo) (typ) (mV) 1200
Operating temperature range (°C) -40 to 125, 0 to 125

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