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LM317MQDCYR - Texas Instruments

Description: Standard Regulator 1.25V to 37V 0.5A Texas Instruments LM317MQDCYR, Single Linear Voltage Regulator, 500mA Adjustable 1.25 → 37 V, 4-Pin SOT-223

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PCB Footprints
LM317MQDCYR - Texas Instruments PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - DCY (R-PDSO-G4
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3D Models
LM317MQDCYR - Texas Instruments  - 3D model - SOT223 (3-Pin) - DCY (R-PDSO-G4
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LM317MQDCYR Details

  • Manufacturer Part Number:

    LM317MQDCYR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-223

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Nom:

    2 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:

    e4

  • Length:

    6.5 mm

  • Line Regulation-Max (%/V):

    0.07

  • Load Regulation-Max(%):

    1.5%

  • Moisture Sensitivity Level:

    2

  • 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:

    0.5 A

  • Output Voltage1-Max:

    37 V

  • Output Voltage1-Min:

    1.25 V

  • Output Voltage1-Nom:

    37 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOT-223

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR, 13 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.8 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    DUAL

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

    30

  • Voltage Tolerance-Max:

    2%

  • Width:

    3.5 mm

LM317MQDCYR Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM317MQDCYR is 40V. Exceeding this voltage can cause damage to the device.
  • The output voltage of the LM317MQDCYR can be adjusted by using a resistive divider network between the output and adjustment pins. The output voltage is determined by the ratio of the resistors and the reference voltage (1.25V).
  • The LM317MQDCYR 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.
  • The LM317MQDCYR is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the device's power dissipation and output current at high temperatures.
  • To protect the LM317MQDCYR from input voltage transients, a capacitor (e.g., 10uF) can be connected between the input pin and ground. Additionally, a voltage clamp (e.g., a zener diode) can be used to limit the input voltage to a safe level.

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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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