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LTM4655IY#PBF - Analog Devices

Description: EN55022B Compliant 40V, Dual 4A or Single 8A Step-Down or 50W Inverting μModule Regulator

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LTM4655IY#PBF - Analog Devices PCB footprint - BGA - BGA - BGA Package 144-Lead (16mm × 16mm × 5.01mm)
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LTM4655IY#PBF - Analog Devices  - 3D model - BGA - BGA Package 144-Lead (16mm × 16mm × 5.01mm)
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LTM4655IY#PBF Details

  • Manufacturer Part Number:

    LTM4655IY#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    BGA-144

  • Pin Count:

    144

  • Manufacturer Package Code:

    05-08-1920

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    3.1 V

  • Input Voltage-Nom:

    36 V

  • JESD-30 Code:

    S-PBGA-B144

  • JESD-609 Code:

    e1

  • Length:

    16 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    144

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    8 A

  • Output Voltage-Max:

    26.5 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, LOW PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    245

  • Seated Height-Max:

    5.21 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    3000 kHz

  • Technology:

    HYBRID

  • 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:

    16 mm

LTM4655IY#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.
  • Use a soft-start circuit to limit the inrush current during start-up, and ensure the input voltage rises slowly (e.g., 10ms) to prevent voltage spikes. For shutdown, use a controlled shutdown sequence to prevent voltage transients.
  • Use a common-mode choke, X-capacitors, and Y-capacitors to filter out electromagnetic interference (EMI). Ensure the filter components are placed close to the device and connected to a solid ground plane.
  • Use a low-ESR output capacitor, and consider adding a noise-reducing capacitor (e.g., 10nF) between the output and ground. Ensure the input voltage is well-regulated and filtered to minimize ripple.
  • Use a heat sink with a thermal interface material (TIM) to reduce thermal resistance. Ensure good airflow around the device, and consider using a fan or heat pipe for high-power applications.

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LTM4655IY#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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