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LM2831XSD - Texas Instruments

Description: IC REGULATOR BUCK 1.5A

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LM2831XSD - Texas Instruments PCB footprint - Other - Other - DFN300X300X80-7N
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LM2831XSD - Texas Instruments  - 3D model - Other - DFN300X300X80-7N
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LM2831XSD Details

  • Manufacturer Part Number:

    LM2831XSD

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    WSON-6

  • Pin Count:

    6

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    S-XDSO-N6

  • JESD-609 Code:

    e0

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    4.5 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    3000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

LM2831XSD Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the LM2831XSD evaluation module documentation, which includes guidelines for component placement, trace routing, and thermal management. Following this layout can help minimize noise, reduce electromagnetic interference (EMI), and ensure optimal performance.
  • The input capacitor selection depends on the input voltage, output voltage, and output current requirements. A general rule of thumb is to choose a capacitor with a voltage rating at least 1.5 times the maximum input voltage, and a capacitance value between 1uF to 10uF. Additionally, consider the capacitor's ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) to ensure it can handle the switching frequency and output current.
  • The LM2831XSD has an operating junction temperature range of -40°C to 125°C. However, the maximum ambient temperature range depends on the specific application and the device's thermal management. As a general guideline, the ambient temperature should be kept below 85°C to ensure reliable operation and prevent overheating.
  • Yes, the LM2831XSD is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive grade devices and is designed to operate in harsh environments. However, it's essential to follow the recommended design guidelines, testing, and validation procedures to ensure the device meets the specific application requirements.
  • To troubleshoot issues with the LM2831XSD, start by reviewing the datasheet and application notes to ensure the device is used within its recommended operating conditions. Check the input voltage, output voltage, and output current to identify any anomalies. Use oscilloscopes or other diagnostic tools to measure the device's internal signals, such as the switching node voltage or the output voltage ripple. Consult the Texas Instruments support resources, including the knowledge base, forums, and technical support teams, for guidance on specific issues.

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LM2831XSD 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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Part Image LM2831XSD/NOPB Texas Instruments

Switching Regulator, Current-mode, 1.5A, 3000kHz Switching Freq-Max, BICMOS