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LM337BTG - onsemi

Description: Output Transistor Safe-Area Compensation; Output Adjustable between -1.2 V and -37 V; Floating Operation for High Voltage Applications; Internal Thermal Overload Protection; Internal Short Circuit Current Limiting Constant with Temperature; Available in Surface Mount D2PAK and Standard 3-Lead Transistor Package; Output Current in Excess of 1.5 A; Eliminates Stocking many Fixed Voltages; Pb-Free Packages are Available

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PCB Footprints
LM337BTG - onsemi PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-220 CASE221AB
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LM337BTG - onsemi  - 3D model - Transistor Outline, Vertical - TO-220 CASE221AB
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LM337BTG Details

  • Manufacturer Part Number:

    LM337BTG

  • 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:

    SFM-3

  • Pin Count:

    3

  • Manufacturer Package Code:

    221AB

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    6.21

  • 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

  • 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 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 NEGATIVE SINGLE OUTPUT STANDARD REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

LM337BTG Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM337BTG is 40V. Exceeding this voltage can cause damage to the device.
  • To ensure stability of the output voltage, a minimum output capacitance of 10uF is recommended. Additionally, the output capacitor should have an ESR (Equivalent Series Resistance) of less than 5 ohms.
  • The maximum output current that the LM337BTG can provide is 1.5A. Exceeding this current can cause the device to overheat or fail.
  • The output voltage of the LM337BTG can be adjusted by using a resistive divider network between the output and the adjust pin. The output voltage can be calculated using the formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (2.5V) and R1 and R2 are the resistors in the divider network.
  • The thermal shutdown temperature of the LM337BTG is 150°C. If the device temperature exceeds this value, it will shut down to prevent damage.

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