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LTM4677IY - Analog Devices

Description: Dual 18A or Single 36A Module (Power Module) Regulator with Digital Power System Management

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LTM4677IY - Analog Devices PCB footprint - BGA - BGA - BGA Package 144-Lead (16mm × 16mm × 5.01mm)_2025
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LTM4677IY - Analog Devices  - 3D model - BGA - BGA Package 144-Lead (16mm × 16mm × 5.01mm)_2025
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LTM4677IY Details

  • Manufacturer Part Number:

    LTM4677IY

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Active

  • Package Description:

    BGA-144

  • Pin Count:

    144

  • Manufacturer Package Code:

    05-08-1920

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 0.5V TO 1.8V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PBGA-B144

  • JESD-609 Code:

    e0

  • Length:

    16 mm

  • Moisture Sensitivity Level:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    144

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    36 A

  • Output Voltage-Max:

    1.8 V

  • Output Voltage-Min:

    0.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Equivalence Code:

    BGA144,12X12,50

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY

  • Seated Height-Max:

    5.21 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    800 kHz

  • Technology:

    HYBRID

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

  • Width:

    16 mm

LTM4677IY Frequently Asked Questions (FAQs)

  • The maximum output current of the LTM4677IY is 7A per phase, making it suitable for high-current applications.
  • To optimize the layout for thermal performance, it is recommended to use a 4-layer PCB with a solid ground plane, and to place the device near a heat sink or a thermal pad. Additionally, ensure that the thermal vias are connected to the ground plane to dissipate heat effectively.
  • The recommended input capacitance for the LTM4677IY is 10uF to 22uF, depending on the input voltage and output current requirements. A larger input capacitance can help to reduce input voltage ripple and improve system stability.
  • The LTM4677IY can be configured for a specific output voltage by adjusting the resistive divider network connected to the FB pin. The output voltage can be calculated using the formula: Vout = 0.6V x (R1 + R2) / R2, where R1 and R2 are the resistors in the divider network.
  • The maximum operating temperature of the LTM4677IY is 125°C, making it suitable for high-reliability applications. However, it is recommended to operate the device within a temperature range of -40°C to 105°C for optimal performance and reliability.

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LTM4677IY 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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