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LMR33620BDDA - Texas Instruments

Description: SIMPLE SWITCHER® 3.8V to 36V, 2A Synchronous Buck Converter With Ultra-Low EMI

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LMR33620BDDA - Texas Instruments - PCB symbol
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LMR33620BDDA - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA0008J
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LMR33620BDDA - Texas Instruments - 3D model - Small Outline Packages - DDA0008J
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LMR33620BDDA Details

  • Manufacturer Part Number:

    LMR33620BDDA

  • 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:

    2 A

  • Output Voltage-Max:

    34 V

  • Output Voltage-Min:

    1 V

  • Output Voltage-Nom:

    3.3 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/Silver (Ni/Pd/Au/Ag)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

LMR33620BDDA Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer or 4-layer PCB with a solid ground plane on the bottom layer, and a thermal relief pattern on the top layer to minimize thermal impedance. A thermal via array under the device can also help to reduce thermal resistance.
  • To ensure stability, it's essential to follow the recommended PCB layout and component placement guidelines. Additionally, use a low-ESR output capacitor, and consider adding a small ceramic capacitor (e.g., 10nF) in parallel with the output capacitor to improve stability.
  • The absolute maximum input voltage rating for the LMR33620BDDA is 42V. However, it's recommended to operate the device within the recommended input voltage range of 3.5V to 36V to ensure reliable operation and minimize the risk of damage.
  • The LMR33620BDDA is rated for operation up to 125°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. It's essential to consider the thermal design and ensure adequate heat sinking to maintain a safe junction temperature.
  • The output voltage ripple of the LMR33620BDDA can be estimated using the formula: ΔVout = (Iout * ESL) / (Cout * fsw), where ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency.

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LMR33620BDDA 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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