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LTM4639IY#PBF - Analog Devices

Description: Switching Voltage Regulators Low VIN 20A DC/DC uModule Step-Down Regulator

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LTM4639IY#PBF - Analog Devices PCB footprint - BGA - BGA - BGA Package 133-Lead (15mm × 15mm × 4.92mm)
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LTM4639IY#PBF - Analog Devices  - 3D model - BGA - BGA Package 133-Lead (15mm × 15mm × 4.92mm)
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LTM4639IY#PBF Details

  • Manufacturer Part Number:

    LTM4639IY#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    133

  • Manufacturer Package Code:

    05-08-1962

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OUTPUT VOLATGE RANGE FROM 0.6 VOLT TO 5.5 VOLT

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    7 V

  • Input Voltage-Min:

    2.375 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    S-PBGA-B133

  • JESD-609 Code:

    e1

  • Length:

    15 mm

  • Moisture Sensitivity Level:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    133

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Equivalence Code:

    BGA133,12X12,50

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY

  • Peak Reflow Temperature (Cel):

    245

  • Seated Height-Max:

    5.12 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    800 kHz

  • Technology:

    HYBRID

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    15 mm

LTM4639IY#PBF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. The device's exposed pad should be connected to the ground plane to improve thermal performance.
  • Use the datasheet's recommended output filter components and layout guidelines. Additionally, consider using a pi-filter or a common-mode choke to further reduce ripple and noise.
  • The LTM4639 can drive up to 10,000 pF of capacitive load. However, it's recommended to limit the capacitive load to 4,700 pF or less to ensure stability and optimal performance.
  • Use a soft-start circuit to limit the inrush current during start-up. For shutdown, ensure that the input voltage is reduced to 0V before removing the input power to prevent damage to the device.
  • Use a low-ESR ceramic capacitor with a value of 10-22 μF. The capacitor should be placed close to the device's input pins to minimize noise and ripple.

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LTM4639IY#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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