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LM1117S-ADJ - Texas Instruments

Description: Low-Dropout Linear Regulator

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LM1117S-ADJ - Texas Instruments PCB footprint - Other - Other - TO254P1435X457-4N
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LM1117S-ADJ - Texas Instruments  - 3D model - Other - TO254P1435X457-4N
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LM1117S-ADJ Details

  • Manufacturer Part Number:

    LM1117S-ADJ

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    D2PAK

  • Package Description:

    TO-263, 3 PIN

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Max:

    1.3 V

  • Dropout Voltage1-Nom:

    1.2 V

  • Input-Output Voltage Differential-Max:

    13.75 V

  • Input-Output Voltage Differential-Min:

    1.5 V

  • JESD-30 Code:

    R-PSSO-G3

  • JESD-609 Code:

    e0

  • Length:

    10.16 mm

  • Line Regulation-Max (%/V):

    0.016

  • Load Regulation-Max(%):

    0.4%

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Output Current1-Max:

    0.8 A

  • Output Voltage1-Max:

    13.8 V

  • Output Voltage1-Min:

    1.25 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-263

  • Package Equivalence Code:

    SMSIP3H,.55TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    4.8 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Time@Peak Reflow Temperature-Max (s):

    20

  • Width:

    8.6 mm

LM1117S-ADJ Frequently Asked Questions (FAQs)

  • The minimum input voltage required is 2.5V above the desired output voltage. For example, if you want an output voltage of 3.3V, the minimum input voltage should be at least 5.8V.
  • The output voltage can be adjusted by connecting a resistor divider network between the output and the adjust pin. The ratio of the resistors determines the output voltage. A detailed calculation is provided in the datasheet.
  • The maximum current that the LM1117S-ADJ can supply is 1A. However, it's recommended to derate the current based on the input voltage and ambient temperature to ensure reliable operation.
  • To ensure stability, a minimum output capacitance of 10uF is recommended. Additionally, the input capacitor should be at least 10uF to prevent oscillations. The datasheet provides more information on capacitor selection.
  • The thermal shutdown temperature of the LM1117S-ADJ is typically around 150°C. When the junction temperature exceeds this value, the regulator will shut down to prevent damage.

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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