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LM317BTG - onsemi

Description: Internal Thermal Overload Protection; Eliminates Stocking many Fixed Voltages Standard Application; Internal Short Circuit Current Limiting Constant with Temperature; Output Transistor Safe-Area Compensation; Floating Operation for High Voltage Applications; Output Adjustable between 1.2 V and 37 V; Output Current in Excess of 1.5 A; Automotive Device for Wide Temperature Range - NCV317 ; Pb-Free Packages are Available

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PCB Footprints
LM317BTG - onsemi PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-220 CASE221AB
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3D Models
LM317BTG - onsemi  - 3D model - Transistor Outline, Vertical - TO-220 CASE221AB
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LM317BTG Details

  • Manufacturer Part Number:

    LM317BTG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-220, SINGLE GAUGE, 3-LEAD

  • Package Description:

    TO-220, 3 PIN

  • Pin Count:

    3

  • Manufacturer Package Code:

    221AB

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    6.01

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Nom:

    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 mm

  • Line Regulation-Max (%/V):

    0.07

  • Load Regulation-Max(%):

    5.8%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-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:

    SFM

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    RAIL

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    20 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Width:

    5 mm

LM317BTG Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM317BTG is 40V. Exceeding this voltage can cause damage to the device.
  • To ensure stability, a minimum output capacitance of 1uF is recommended. Additionally, the input capacitor should be at least 10uF to prevent oscillations.
  • The LM317BTG is rated for operation up to 125°C. However, the device's performance may degrade at high temperatures, and the output voltage may drop. It's essential to consider the thermal design and heat sinking when operating in high-temperature environments.
  • The output voltage of the LM317BTG 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 and the internal reference voltage.
  • The LM317BTG does not have a minimum load current requirement. However, a minimum load current of 3.5mA is recommended to ensure stability and prevent oscillations.

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