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LM317AEMPX - Texas Instruments

Description: Standard Regulator Pos 1.2V to 37V 1A 4-Pin(3+Tab) SOT-223 T/R

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PCB Footprints
LM317AEMPX - Texas Instruments PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - DCY (R-PDSO-G4)
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3D Models
LM317AEMPX - Texas Instruments  - 3D model - SOT223 (3-Pin) - DCY (R-PDSO-G4)
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LM317AEMPX Details

  • Manufacturer Part Number:

    LM317AEMPX

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-223

  • Package Description:

    SOT-223, 4 PIN

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1999-05-27

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Nom:

    2.25 V

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    3 V

  • Input-Output Voltage Differential-Max:

    40 V

  • Input-Output Voltage Differential-Min:

    3 V

  • JESD-30 Code:

    R-PDSO-G4

  • JESD-609 Code:

    e0

  • Length:

    6.5 mm

  • Line Regulation-Max (%/V):

    0.02

  • Load Regulation-Max(%):

    1%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    4

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    1.5 A

  • Output Voltage1-Max:

    37 V

  • Output Voltage1-Min:

    1.2 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOT-223

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    1.8 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Voltage Tolerance-Max:

    5%

  • Width:

    3.56 mm

LM317AEMPX Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM317AEMPX is 40V. Exceeding this voltage can cause damage to the device.
  • To ensure stability and prevent oscillations, a minimum output capacitance of 1uF is recommended, and the input capacitor should be at least 10uF. Additionally, the output voltage should be decoupled with a capacitor of at least 10uF.
  • The LM317AEMPX requires a minimum load current of 3.5mA to regulate properly. If the load current is less than this, the output voltage may not be regulated accurately.
  • No, the LM317AEMPX is designed to regulate positive voltages only. It is not suitable for regulating negative voltages.
  • The output voltage of the LM317AEMPX can be adjusted by using a resistive divider network between the output and the adjust pin. The output voltage is determined by the ratio of the resistors in the divider network.

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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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