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LTM4644IY-1 - Analog Devices

Description: Switching Voltage Regulators [Tin-Lead SnPb BGA] Quad 14VIN, 4A Step-Down uModule Regulator with Configurable Output Array

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LTM4644IY-1 - Analog Devices PCB footprint - BGA - BGA - BGA Package 77-Lead (15.00mm × 9.00mm × 5.01mm)
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LTM4644IY-1 - Analog Devices  - 3D model - BGA - BGA Package 77-Lead (15.00mm × 9.00mm × 5.01mm)
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LTM4644IY-1 Details

  • Manufacturer Part Number:

    LTM4644IY-1

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Active

  • Package Description:

    BGA-77

  • Pin Count:

    77

  • Manufacturer Package Code:

    05-08-1900

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    14 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PBGA-B77

  • JESD-609 Code:

    e0

  • Length:

    15 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    77

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    4 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.6 V

  • Output Voltage-Nom:

    1.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY

  • Seated Height-Max:

    5.21 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1300 kHz

  • Technology:

    HYBRID

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

  • Width:

    9 mm

LTM4644IY-1 Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. The top layer should have a wide copper pour connected to the GND pin, and the bottom layer should have a solid ground plane. This layout helps to dissipate heat efficiently.
  • To ensure reliable start-up, make sure the input voltage rises monotonically and does not droop during start-up. A soft-start circuit can be used to limit the inrush current and ensure a reliable start-up.
  • The LTM4644IY-1 can drive a maximum capacitive load of 10nF. Exceeding this limit may cause oscillations or instability in the output voltage.
  • Use a voltage supervisor or a reset IC to monitor the input voltage and reset the device if it falls outside the recommended operating range. Additionally, consider using a TVS diode or a zener diode to clamp the input voltage and protect the device from overvoltage conditions.
  • A pi-filter configuration with a series inductor and shunt capacitors is recommended to reduce EMI. The inductor value should be chosen to resonate at the switching frequency, and the capacitor values should be chosen to provide adequate filtering.

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LTM4644IY-1 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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Part Image LTM4644IY#PBF Analog Devices Inc

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Part Image LTM4644IY Analog Devices Inc

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Part Image LTM4644IY-1#PBF Analog Devices Inc

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Part Image LTM4644EY-1#PBF Analog Devices Inc

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