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LTM4642EY#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTM4642EY#PBF - DC/DC Switching Regulator, Buck, 2 Output, 4.5 V to 20 V in, 5.5 V/4 A out, 1.4 MHz, BGA-56

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PCB Footprints
LTM4642EY#PBF - Analog Devices PCB footprint - BGA - BGA - BGA 56-Lead (11.25mm × 9.00mm × 4.92mm)
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LTM4642EY#PBF - Analog Devices  - 3D model - BGA - BGA 56-Lead (11.25mm × 9.00mm × 4.92mm)
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LTM4642EY#PBF Details

  • Manufacturer Part Number:

    LTM4642EY#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    11.25 X 9 MM, 4.92 MM HEIGHT, ROHS COMPLIANT, MS-028, BGA-56

  • Pin Count:

    56

  • Manufacturer Package Code:

    05-08-1961

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OUTPUT VOLTAGE RANGE FROM 0.6 V TO 5.5 V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    2.375 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PBGA-B56

  • JESD-609 Code:

    e1

  • Length:

    11.25 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    56

  • Operating Temperature-Max:

    125 °C

  • Output Current-Max:

    8 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY

  • Seated Height-Max:

    5.12 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Technology:

    HYBRID

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

  • Width:

    9 mm

LTM4642EY#PBF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. The device should be placed near a thermal pad or heat sink to dissipate heat efficiently.
  • A soft-start circuit can be implemented using an external capacitor and resistor to control the inrush current during start-up. A shutdown pin can be used to disable the device during shutdown.
  • Use a common-mode choke and X-capacitors to filter out EMI. Add a ferrite bead and a capacitor in series to filter out high-frequency noise. Ensure proper grounding and shielding of the PCB.
  • Optimize the inductor selection, ensure proper component placement, and minimize parasitic resistances. Use a high-efficiency switching frequency and optimize the output capacitor selection.
  • Derate the device's power rating by 1.5% per degree Celsius above 25°C. Ensure proper heat sinking and thermal management to prevent overheating.

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LTM4642EY#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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