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LMS1587IT-1.5/NOPB - Texas Instruments

Description: 3A Fixed / Adjustable Output Linear Regulator

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PCB Footprints
LMS1587IT-1.5/NOPB - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDE0003B
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LMS1587IT-1.5/NOPB - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDE0003B
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LMS1587IT-1.5/NOPB Details

  • Manufacturer Part Number:

    LMS1587IT-1.5/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SFM

  • Pin Count:

    3

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    1.3 V

  • Dropout Voltage1-Nom:

    1.15 V

  • Input Voltage Absolute-Max:

    13 V

  • Input Voltage-Max:

    13 V

  • Input Voltage-Min:

    3 V

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e3

  • Length:

    14.986 mm

  • Line Regulation-Max:

    0.003%

  • Load Regulation-Max:

    0.0075%

  • 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

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current1-Max:

    3 A

  • Output Voltage1-Max:

    1.53 V

  • Output Voltage1-Min:

    1.47 V

  • Output Voltage1-Nom:

    1.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    19.55 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    2%

  • Width:

    10.16 mm

LMS1587IT-1.5/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer or 4-layer PCB with a solid ground plane and a thermal relief pattern on the top layer to minimize thermal resistance. A thermal pad on the bottom of the package should be connected to a copper plane on the PCB to dissipate heat efficiently.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines in the datasheet. Additionally, a minimum output capacitance of 10uF with an ESR of 1 ohm or less is recommended. A feedforward capacitor (Cff) can also be added to improve stability.
  • Although the datasheet specifies a maximum input voltage of 15V, it's recommended to limit the input voltage to 12V to ensure reliable operation and prevent damage to the internal components.
  • The LMS1587IT-1.5/NOPB is rated for operation up to 125°C, but it's essential to consider the thermal derating curves in the datasheet to ensure reliable operation. Additionally, the maximum junction temperature (Tj) should not exceed 150°C.
  • The power dissipation can be calculated using the formula: Pd = (Vin - Vout) x Iout. The junction temperature can be estimated using the thermal resistance (RθJA) and the power dissipation: Tj = Ta + (RθJA x Pd), where Ta is the ambient temperature.

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LMS1587IT-1.5/NOPB 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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