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LMR33630CDDAR - Texas Instruments

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

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LMR33630CDDAR - Texas Instruments - PCB symbol
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LMR33630CDDAR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA0008J-1
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LMR33630CDDAR - Texas Instruments - 3D model - Small Outline Packages - DDA0008J-1
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LMR33630CDDAR Details

  • Manufacturer Part Number:

    LMR33630CDDAR

  • 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

LMR33630CDDAR Frequently Asked Questions (FAQs)

  • A good PCB layout for the LMR33630CDDAR 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. Additionally, ensure that the output capacitor is properly sized and placed close to the device. TI also provides a stability calculator tool to help with component selection.
  • The absolute maximum input voltage rating for the LMR33630CDDAR is 42V. However, the recommended maximum operating input voltage is 36V to ensure reliable operation and minimize stress on the device.
  • The LMR33630CDDAR is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. TI provides thermal derating guidelines in the datasheet to help designers ensure reliable operation in high-temperature environments.
  • The output capacitor should be selected based on the desired output voltage ripple, output current, and stability requirements. TI provides guidelines for output capacitor selection in the datasheet and application notes. A general rule of thumb is to use a low-ESR capacitor with a value between 10uF to 22uF.

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LMR33630CDDAR 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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