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LTM4644EY#PBF - Analog Devices

Description: Switching Voltage Regulators Quad 14VIN, 4A Step-Down Module Regulator with Configurable Output Array

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LTM4644EY#PBF - Analog Devices PCB footprint - BGA - BGA - BGA Package 77-Lead (15.00mm × 9.00mm × 5.01mm)
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LTM4644EY#PBF - Analog Devices  - 3D model - BGA - BGA Package 77-Lead (15.00mm × 9.00mm × 5.01mm)
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LTM4644EY#PBF Details

  • Manufacturer Part Number:

    LTM4644EY#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • 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:

    ALSO 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:

    e1

  • Length:

    15 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    4

  • 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

  • Peak Reflow Temperature (Cel):

    245

  • 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/Silver/Copper (Sn96.5Ag3.0Cu0.5)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    9 mm

LTM4644EY#PBF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. The device's thermal pad should be connected to the ground plane using multiple thermal vias.
  • Ensure that the input voltage rises monotonically during start-up and falls monotonically during shutdown. A soft-start circuit can be used to control the input voltage ramp rate.
  • The maximum capacitive load is dependent on the output voltage and frequency. As a general guideline, the device can drive up to 10nF of capacitance. However, it's recommended to consult with Analog Devices' application engineers for specific guidance.
  • Use a shielded inductor, keep the switching node (SW) away from sensitive nodes, and use a common-mode choke to reduce EMI. Additionally, ensure that the PCB layout is optimized for minimal loop area and radiation.
  • A pi-filter (L-C-R) or a differential filter (L-C-L) can be used to reduce input ripple. The filter components should be chosen based on the input voltage, frequency, and desired attenuation.

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LTM4644EY#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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