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LMR51430YDDCR - Texas Instruments

Description: Switching Voltage Regulators SIMPLE SWITCHER® 4.5-V to 36-V, 3-A synchronous buck converter with 40-µA IQ

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PCB Footprints
LMR51430YDDCR - Texas Instruments PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - DDC0006A-2021
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3D Models
LMR51430YDDCR - Texas Instruments  - 3D model - SOT23 (6-Pin) - DDC0006A-2021
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LMR51430YDDCR Details

  • Manufacturer Part Number:

    LMR51430YDDCR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • 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:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G6

  • JESD-609 Code:

    e3

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    34.2 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VSSOP

  • Package Equivalence Code:

    TSOP6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1100 kHz

  • Technology:

    BICMOS

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Width:

    1.6 mm

LMR51430YDDCR 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, adding a small capacitor (e.g., 10nF) in parallel with the output capacitor can help to dampen 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.
  • The output voltage ripple and noise can be estimated using the equations provided in the datasheet. Additionally, the output capacitor's ESR and ESL values should be considered when calculating the output voltage ripple.
  • A low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 10uF to 22uF is recommended for the input capacitor. This helps to filter out input voltage noise and ensure stable operation.

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LMR51430YDDCR 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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Part Image LMR51430YFDDCR Texas Instruments

Switching Regulator, Current-mode, 3A, 1100kHz Switching Freq-Max, BICMOS, PDSO6