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LM3478MMX - Texas Instruments

Description: DC/DC Cntrlr Single-OUT Step Up 1000kHz 8-Pin VSSOP T/R

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LM3478MMX - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DGK  (S-PDSO-G8)
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LM3478MMX - Texas Instruments  - 3D model - Small Outline Packages - DGK  (S-PDSO-G8)
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LM3478MMX Details

  • Manufacturer Part Number:

    LM3478MMX

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    MSOP

  • Package Description:

    MSOP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    2.97 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e0

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.09 mm

  • Supply Current-Max (Isup):

    3.3 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

LM3478MMX Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM3478MMX is 42V, but it's recommended to keep it below 40V for reliable operation.
  • To ensure the LM3478MMX operates within its thermal limits, make sure to provide adequate heat sinking, keep the ambient temperature below 85°C, and avoid high power dissipation.
  • Yes, the LM3478MMX is qualified for automotive and high-reliability applications, but you should consult the Automotive or High-Reliability datasheet for specific requirements and testing.
  • To minimize EMI, keep the LM3478MMX away from noise sources, use a solid ground plane, and route high-frequency signals away from the device. Also, use shielding and filtering as needed.
  • The recommended capacitor type is a low-ESR ceramic capacitor, and the value depends on the specific application, but a 10uF to 22uF capacitor is a good starting point.

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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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