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L6756D - STMicroelectronics

Description: 2/3/4 phase buck controller for VR10, VR11 and VR11.1 processor applications,9.75 V,-0.3 to 3.6 V, 215 kHz,100 mV -40 to 150 °C

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L6756D - STMicroelectronics - PCB symbol
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PCB Footprints
L6756D - STMicroelectronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - VFQFPN-40 (6x6x1.0mm)
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3D Models
L6756D - STMicroelectronics - 3D model - Quad Flat No-Lead - VFQFPN-40 (6x6x1.0mm)
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L6756D Details

  • Manufacturer Part Number:

    L6756D

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    VFQFPN-40

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    215 kHz

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

L6756D Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4392, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The L6756D datasheet provides a list of recommended external components, including capacitors, resistors, and inductors. Additionally, STMicroelectronics offers a dedicated tool, the STMicroelectronics Power Supply Designer, to help engineers select the optimal components for their specific application.
  • Although the datasheet specifies a maximum input voltage of 18V, it's recommended to limit the voltage on the VIN pin to 15V to ensure reliable operation and prevent damage to the device.
  • The L6756D has a built-in OVP feature that can be enabled by connecting a resistor between the VIN pin and the OVP pin. The OVP threshold can be adjusted by selecting the appropriate resistor value according to the formula provided in the datasheet.
  • The EN (enable) pin is used to turn the L6756D on and off. By pulling the EN pin high, the device is enabled, and by pulling it low, the device is disabled. This pin can be used to implement power sequencing, shutdown, or low-power modes in the system.

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L6756D 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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