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LMR38020FDDAR - Texas Instruments

Description: SIMPLE SWITCHER® 4.2-V to 80-V, 2-A synchronous buck converter with 40-µA IQ

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LMR38020FDDAR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA00008E
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LMR38020FDDAR - Texas Instruments  - 3D model - Small Outline Packages - DDA00008E
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LMR38020FDDAR Details

  • Manufacturer Part Number:

    LMR38020FDDAR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mainland China, Mexico, Philippines, Taiwan, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    PFM CONTROL TECHNIQUE ALSO AVAILABLE

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    80 V

  • Input Voltage-Min:

    4.2 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2 A

  • Output Voltage-Max:

    75 V

  • Output Voltage-Min:

    1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.7 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • Technology:

    BICMOS

  • Terminal Finish:

    Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

LMR38020FDDAR Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. Keep the thermal pads connected to the ground plane to improve heat dissipation.
  • Monitor the input voltage, output voltage, and output current to ensure they are within the recommended operating conditions specified in the datasheet. Use proper thermal management and PCB design to prevent overheating.
  • A low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 10uF to 22uF is recommended for input decoupling. Place the capacitor close to the VIN pin to minimize noise and improve stability.
  • Use a shielded enclosure, keep the switching node (SW) away from sensitive nodes, and use a common-mode choke or ferrite bead on the output to reduce EMI. Follow proper PCB layout and grounding techniques to minimize radiation.
  • A low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 10uF to 22uF is recommended for output filtering. Place the capacitor close to the VOUT pin to minimize noise and improve stability.

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LMR38020FDDAR 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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