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LM317KCSE3 - Texas Instruments

Description: Standard Regulator Pos 1.25V to 37V 1.5A 3-Pin(3+Tab) TO-220 Tube

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PCB Footprints
LM317KCSE3 - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - KCS0003B_a
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3D Models
LM317KCSE3 - Texas Instruments  - 3D model - Transistor Outline, Vertical - KCS0003B_a
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LM317KCSE3 Details

  • Manufacturer Part Number:

    LM317KCSE3

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SFM

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    4

  • 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-PSFM-T3

  • JESD-609 Code:

    e3

  • Length:

    10.16 mm

  • Line Regulation-Max (%/V):

    0.07

  • Load Regulation-Max(%):

    1.5%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature-Max:

    125 °C

  • Output Current1-Max:

    1.5 A

  • Output Voltage1-Max:

    37 V

  • Output Voltage1-Min:

    1.25 V

  • Output Voltage1-Nom:

    37 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SFM

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    4.7 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    5%

  • Width:

    8.7 mm

LM317KCSE3 Frequently Asked Questions (FAQs)

  • The maximum input voltage for the LM317KCSE3 is 40V. Exceeding this voltage can cause damage to the device.
  • The output voltage of the LM317KCSE3 can be adjusted by using a resistive divider network between the output and adjustment pins. The formula to calculate the output voltage is Vout = 1.25 x (1 + R2/R1).
  • The LM317KCSE3 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 LM317KCSE3 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to use a heat sink and ensure good thermal design to maintain a safe operating temperature.
  • To protect the LM317KCSE3 from input voltage transients, use a transient voltage suppressor (TVS) diode or a voltage clamp circuit at the input. This will help prevent damage from voltage spikes or surges.

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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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