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LMR33630ADDA - Texas Instruments

Description: SIMPLE SWITCHER® 3.8V to 36V, 3A Synchronous Buck Converter With Ultra-Low EMI

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LMR33630ADDA - Texas Instruments - PCB symbol
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PCB Footprints
LMR33630ADDA - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA0008J
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3D Models
LMR33630ADDA - Texas Instruments - 3D model - Small Outline Packages - DDA0008J
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LMR33630ADDA Details

  • Manufacturer Part Number:

    LMR33630ADDA

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO VOUT=5 VOLT;PFM TECHNIQUE ALSO USED

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    3.8 V

  • Input Voltage-Nom:

    12 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:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    34 V

  • Output Voltage-Min:

    1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.7 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2100 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • 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

LMR33630ADDA Frequently Asked Questions (FAQs)

  • A good PCB layout for the LMR33630ADDA should include a solid ground plane, wide power traces, and a thermal relief pattern under the device to facilitate heat dissipation. TI provides a recommended PCB layout in the datasheet and application notes.
  • To ensure stability, follow the recommended component values and PCB layout guidelines in the datasheet. Additionally, ensure that the output capacitor is properly sized and placed close to the device. You can also use TI's WEBENCH tool to simulate and optimize your design.
  • While the datasheet specifies a maximum input voltage of 42V, it's recommended to derate the input voltage to 36V to ensure reliable operation and minimize the risk of damage due to voltage spikes or transients.
  • Yes, the LMR33630ADDA is rated for operation up to 125°C. However, it's essential to ensure proper thermal management, such as using a heat sink or thermal interface material, to prevent overheating and maintain reliability.
  • Choose an output capacitor with a low ESR (Equivalent Series Resistance) and a capacitance value that meets the recommended range specified in the datasheet. A general rule of thumb is to use a capacitor with a capacitance value between 10uF to 22uF and an ESR of less than 100mΩ.

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LMR33630ADDA 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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