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LMR38020FSDDAR - Texas Instruments

Description: Switching Voltage Regulators SIMPLE SWITCHER power converter 4.2-V to 80-V, 2-A, synchronous buck with 40- uA IQ 8-SO PowerPAD -40 to 150

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LMR38020FSDDAR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA0008E SOIC
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LMR38020FSDDAR - Texas Instruments  - 3D model - Small Outline Packages - DDA0008E SOIC
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LMR38020FSDDAR Details

  • Manufacturer Part Number:

    LMR38020FSDDAR

  • 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 (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

LMR38020FSDDAR 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, ensure that the output capacitor has a low equivalent series resistance (ESR) and a high ripple current rating. A minimum output capacitance of 10uF is recommended.
  • The maximum input voltage that can be applied to the LMR38020FSDDAR is 42V. Exceeding this voltage can cause permanent damage to the device.
  • The LMR38020FSDDAR has built-in overcurrent protection (OCP) and short-circuit protection (SCP). However, it's still recommended to add external protection components such as fuses or PTC thermistors to prevent damage from excessive current or voltage.
  • A ceramic or film capacitor with a value of 1uF to 10uF is recommended for the input capacitor. The capacitor should have a voltage rating of at least 50V and a low ESR to ensure stable operation.

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LMR38020FSDDAR 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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