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LM3151MHE-3.3/NOPB - Texas Instruments

Description: 42V Synchronous Step-Down Controller with 3.3V Output and Adjustable Switching Frequency

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LM3151MHE-3.3/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0014A
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LM3151MHE-3.3/NOPB - Texas Instruments  - 3D model - Small Outline Packages - PWP0014A
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LM3151MHE-3.3/NOPB Details

  • Manufacturer Part Number:

    LM3151MHE-3.3/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    SEATED HGT-NOM

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    CONSTANT ON TIME

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    6 V

  • Input Voltage-Nom:

    18 V

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    12 A

  • Output Voltage-Max:

    3.3 V

  • Output Voltage-Min:

    3.3 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    250 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LM3151MHE-3.3/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM3151MHE-3.3/NOPB involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a separate analog and digital ground plane to reduce noise coupling.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. It's also recommended to add a small ceramic capacitor (e.g., 10nF) in parallel with the output capacitor to improve stability.
  • The LM3151MHE-3.3/NOPB is rated for operation from -40°C to 125°C. However, the device's performance and reliability may degrade at extreme temperatures. It's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance.
  • Yes, the LM3151MHE-3.3/NOPB is suitable for high-reliability and automotive applications. It's manufactured using a high-reliability process and is qualified to the AEC-Q100 standard for automotive applications. However, it's essential to follow the recommended design and layout guidelines to ensure the device operates within its specified parameters.
  • To troubleshoot issues with the LM3151MHE-3.3/NOPB, start by verifying the input voltage, output voltage, and current consumption. Check for any signs of overheating, and ensure that the device is properly soldered and connected. Use an oscilloscope to check for any oscillations or noise on the output. If the issue persists, consult the datasheet and application notes for guidance.

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LM3151MHE-3.3/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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