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LMR51450SDRRR - Texas Instruments

Description: Switching Voltage Regulators 36-V, 5-A synchronous buck converter

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LMR51450SDRRR - Texas Instruments - PCB symbol
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PCB Footprints
LMR51450SDRRR - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DRR0012G
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3D Models
LMR51450SDRRR - Texas Instruments - 3D model - Small Outline No-lead - DRR0012G
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LMR51450SDRRR Details

  • Manufacturer Part Number:

    LMR51450SDRRR

  • 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:

    CURRENT-MODE

  • Control Technique:

    PULSE FREQUENCY MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    S-PDSO-N12

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    34 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC12,.12,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1100 kHz

  • Technology:

    BICMOS

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

LMR51450SDRRR 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 bottom of the device.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, a low-ESR output capacitor and a high-quality input capacitor can help to prevent oscillations.
  • Although the datasheet specifies a maximum input voltage of 42V, it's recommended to derate the input voltage to 36V to ensure reliable operation and prevent damage to the device.
  • Yes, the device is rated for operation up to 150°C, but it's essential to ensure proper thermal management and derate the output current accordingly to prevent overheating.
  • To troubleshoot output voltage regulation issues, check the input voltage, output voltage, and output current. Verify that the component values and PCB layout meet the recommended specifications. Also, check for any signs of overheating or damage to the device.

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LMR51450SDRRR Overview

Use the download button to access the LMR51450SDRRR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LMR51, or try a keyword search, such as Switching Regulator or Controllers

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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