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LMR38010SDDAR - Texas Instruments

Description: Switching Voltage Regulators SIMPLE SWITCHER 80-V, 1.0-A, 2.2-MHz step-down converter with 40- uA IQ 8-SO PowerPAD -40 to 150

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LMR38010SDDAR - Texas Instruments - PCB symbol
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LMR38010SDDAR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA
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LMR38010SDDAR - Texas Instruments - 3D model - Small Outline Packages - DDA
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LMR38010SDDAR Details

  • Manufacturer Part Number:

    LMR38010SDDAR

  • 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:

    1 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 (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

LMR38010SDDAR Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the PCB. A 4-layer PCB with a solid ground plane and a thermal relief pattern can help to dissipate heat efficiently.
  • To ensure stability and prevent oscillations, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, a minimum ESR (Equivalent Series Resistance) of 10mΩ for the output capacitor is recommended, and the output capacitor should be placed close to the device.
  • Although the datasheet specifies a maximum input voltage of 26V, it's recommended to limit the input voltage to 24V to ensure reliable operation and prevent damage to the device.
  • While ceramic capacitors can be used, they may not be the best choice due to their high ESR. A low-ESR electrolytic capacitor or a polymer capacitor is recommended for the output capacitor to ensure stability and low output voltage ripple.
  • The output voltage ripple and noise can be calculated using the equations provided in the datasheet. The output voltage ripple is primarily dependent on the output capacitor value, ESR, and the switching frequency. A higher output capacitor value and a lower ESR can help to reduce the output voltage ripple.

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LMR38010SDDAR 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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