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LM5642XMTX/NOPB - Texas Instruments

Description: High Voltage, Dual Synchronous Buck Converter with Oscillator Synchronization

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LM5642XMTX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW(R-PDSO-G28)
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LM5642XMTX/NOPB - Texas Instruments  - 3D model - Small Outline Packages - PW(R-PDSO-G28)
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LM5642XMTX/NOPB Details

  • Manufacturer Part Number:

    LM5642XMTX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Pin Count:

    28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 1.3V TO 32.4

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    2

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    20 A

  • Output Voltage-Max:

    34 V

  • Output Voltage-Min:

    1.236 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max (Isup):

    2 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    500 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

LM5642XMTX/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM5642XMTX/NOPB involves keeping the input and output traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a separate analog and digital ground plane to minimize noise coupling.
  • To ensure stability, make sure 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 important to decouple the device with a 10uF capacitor and a 1uF capacitor in parallel.
  • The maximum input voltage that the LM5642XMTX/NOPB can handle is 42V. Exceeding this voltage can cause damage to the device.
  • The LM5642XMTX/NOPB is rated for operation up to 125°C. However, it's recommended to derate the device's performance at high temperatures. Consult the datasheet for more information on temperature derating.
  • To troubleshoot issues with the LM5642XMTX/NOPB, start by checking the input and output voltages, as well as the device's operating frequency. Use an oscilloscope to check for oscillations or noise on the output. Also, ensure that the device is properly decoupled and that the PCB layout is correct.

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LM5642XMTX/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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