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LMR33620AQ5RNXTQ1 - Texas Instruments

Description: Switching Voltage Regulators 3.8-V to 36-V, 2-A synchronous step-down voltage converter 12-VQFN-HR -40 to 125

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LMR33620AQ5RNXTQ1 - Texas Instruments - PCB symbol
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PCB Footprints
LMR33620AQ5RNXTQ1 - Texas Instruments PCB footprint - Other - Other - RNX0012B_2023
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LMR33620AQ5RNXTQ1 - Texas Instruments - 3D model - Other - RNX0012B_2023
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LMR33620AQ5RNXTQ1 Details

  • Manufacturer Part Number:

    LMR33620AQ5RNXTQ1

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2018-12-18

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO WORKS IN PFM MODE

  • 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-PQCC-N12

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    12

  • 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:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    0.9 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:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    2 mm

LMR33620AQ5RNXTQ1 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 copper pour coverage around the device. A 2-3 layer PCB with a solid ground plane is recommended. Additionally, placing vias under the device can help to dissipate heat more efficiently.
  • To ensure stability, it's essential to follow the recommended layout and component selection guidelines. This includes using a low-ESR output capacitor, a high-quality input capacitor, and a well-regulated input voltage. Additionally, the device's output should be decoupled from the input using a ferrite bead or a small inductor.
  • The maximum input voltage that can be applied to the LMR33620AQ5RNXTQ1 is 42V. Exceeding this voltage can cause permanent damage to the device.
  • The output voltage ripple can be calculated using the formula: ΔVout = (Iout * ESL) / (Cout * fsw), where Iout is the output current, ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor. The capacitor should be placed as close to the device's input pins as possible.

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LMR33620AQ5RNXTQ1 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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