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LM2673S-3.3 - Texas Instruments

Description: Step-Down Voltage Regulator

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LM2673S-3.3 - Texas Instruments PCB footprint - Other - Other - TO127P1435X457-8N
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LM2673S-3.3 - Texas Instruments  - 3D model - Other - TO127P1435X457-8N
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LM2673S-3.3 Details

  • Manufacturer Part Number:

    LM2673S-3.3

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    D2PAK

  • Package Description:

    TO-263, 7 PIN

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1998-05-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PSSO-G7

  • JESD-609 Code:

    e0

  • Length:

    10.16 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    37 V

  • Output Voltage-Min:

    1.23 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-263

  • Package Equivalence Code:

    SMSIP7H,.55,50TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.79 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    260 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    SINGLE

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

  • Width:

    8.64 mm

LM2673S-3.3 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2673S-3.3 is 15V, but it's recommended to keep it below 12V for reliable operation.
  • The LM2673S-3.3 is rated for operation up to 125°C, but the output voltage may decrease at high temperatures. It's recommended to derate the output current and voltage at high temperatures.
  • To ensure stability, use a minimum output capacitance of 22uF, and ensure that the capacitor has a low ESR (Equivalent Series Resistance). Also, keep the input and output capacitors close to the IC.
  • The LM2673S-3.3 is a switching regulator, and it may generate switching noise. To minimize noise, use a ferrite bead or a choke inductor in series with the input capacitor, and add a capacitor in parallel with the output capacitor to filter out high-frequency noise.
  • The output voltage tolerance of the LM2673S-3.3 is typically ±2% over the entire operating range. To calculate the output voltage tolerance, multiply the nominal output voltage (3.3V) by the tolerance percentage (2%).

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LM2673S-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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