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LM1085IT-3.3 - Texas Instruments

Description: IC REG POSITIVE 3A LDO

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PCB Footprints
LM1085IT-3.3 - Texas Instruments PCB footprint - Other - Other - TO254P470X1016X2222-3P
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LM1085IT-3.3 - Texas Instruments  - 3D model - Other - TO254P470X1016X2222-3P
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LM1085IT-3.3 Details

  • Manufacturer Part Number:

    LM1085IT-3.3

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    TO-220, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    1.5 V

  • Dropout Voltage1-Nom:

    1.3 V

  • Input Voltage Absolute-Max:

    27 V

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    4.8 V

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e0

  • Line Regulation-Max:

    0.006%

  • Load Regulation-Max:

    0.02%

  • Moisture Sensitivity Level:

    1

  • 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:

    3 A

  • Output Voltage1-Max:

    3.365 V

  • Output Voltage1-Min:

    3.235 V

  • Output Voltage1-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    RAIL

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    2%

LM1085IT-3.3 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM1085IT-3.3 is 15V, but it's recommended to keep it below 12V for reliable operation.
  • The LM1085IT-3.3 is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to use a heat sink or thermal management to keep the junction temperature below 100°C.
  • To ensure stability, use a minimum output capacitance of 10uF with an ESR (Equivalent Series Resistance) of less than 5 ohms. Additionally, keep the input and output capacitors close to the regulator to minimize noise and oscillations.
  • The LM1085IT-3.3 is rated for a maximum output current of 3A, but it's recommended to derate the current based on the ambient temperature and the input voltage. For high-current loads, consider using a heat sink or a more robust voltage regulator.
  • Use a TVS (Transient Voltage Suppressor) diode or a voltage clamp at the input to protect the regulator from voltage transients. Additionally, consider adding a series resistor and capacitor to filter out high-frequency noise.

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LM1085IT-3.3 Overview

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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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