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L3751PUR - STMicroelectronics

Description: Wide 6 V to 75 V input voltage synchronous buck controller

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L3751PUR - STMicroelectronics PCB footprint - Other - Other - QFN 3.5X4.5X1.0 20L PITCH 0.50
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3D Models
L3751PUR - STMicroelectronics  - 3D model - Other - QFN 3.5X4.5X1.0 20L PITCH 0.50
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L3751PUR Details

  • Manufacturer Part Number:

    L3751PUR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-20

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    75 V

  • Input Voltage-Min:

    6 V

  • Input Voltage-Nom:

    48 V

  • JESD-30 Code:

    R-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    60 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.14X.18,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    3.5 mm

L3751PUR Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the L3751PUR is 40V, but it's recommended to keep it below 35V for reliable operation.
  • To ensure stability, make sure to follow the recommended PCB layout guidelines, use a sufficient output capacitor, and add a compensation network (R-C network) between the output and the feedback pin.
  • The minimum input voltage required for the L3751PUR to operate is 7V, but it's recommended to keep it above 8V for reliable operation.
  • The L3751PUR is rated for operation up to 150°C, but it's recommended to derate the output current and voltage at high temperatures to ensure reliable operation.
  • Use an external current sense resistor and a thermal shutdown circuit to protect the L3751PUR from overcurrent and overheating. Also, ensure good thermal design and heat sinking.

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L3751PUR Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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