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LMZ31520RLGT - Texas Instruments

Description: SIMPLE SWITCHER® 3V to 14.5V, 20A Power Module in Small QFN Package

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PCB Footprints
LMZ31520RLGT - Texas Instruments PCB footprint - Other - Other - RLG (R-PB4QFN-N72)
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3D Models
LMZ31520RLGT - Texas Instruments  - 3D model - Other - RLG (R-PB4QFN-N72)
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LMZ31520RLGT Details

  • Manufacturer Part Number:

    LMZ31520RLGT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Input Voltage-Max:

    14.5 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-XQCC-N72

  • JESD-609 Code:

    e4

  • Length:

    16 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    72

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    20 A

  • Output Voltage-Max:

    3.6 V

  • Output Voltage-Min:

    0.6 V

  • Output Voltage-Nom:

    1.8 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HQCCN

  • Package Equivalence Code:

    LCC72,.59X.63,32

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.9 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    850 kHz

  • Technology:

    HYBRID

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    15 mm

LMZ31520RLGT Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias under the device can help to dissipate heat efficiently. It's also recommended to keep the thermal path short and use a thermal pad on the PCB.
  • To minimize output voltage ripple and noise, use a low-ESR output capacitor, keep the output capacitor close to the device, and use a shielded inductor. Additionally, consider adding a filter capacitor at the output.
  • A low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 10-22uF is recommended for the input capacitor. This helps to filter out input voltage noise and ripple.
  • To ensure reliable start-up and shutdown, use a soft-start circuit or a voltage supervisor to control the enable pin. This helps to prevent unwanted start-up and shutdown due to input voltage fluctuations.
  • The maximum ambient temperature for reliable operation is 85°C. However, the device can operate up to 125°C with derating. It's essential to consider the thermal design and heat sinking to ensure reliable operation.

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LMZ31520RLGT 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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