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LTM4655MPY - Analog Devices

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

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LTM4655MPY - Analog Devices - PCB symbol
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PCB Footprints
LTM4655MPY - Analog Devices PCB footprint - BGA - BGA - 144-Lead (16mm × 16mm × 5.01mm)_2024
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3D Models
LTM4655MPY - Analog Devices - 3D model - BGA - 144-Lead (16mm × 16mm × 5.01mm)_2024
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LTM4655MPY Details

  • Manufacturer Part Number:

    LTM4655MPY

  • 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

  • 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

  • Length:

    16 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    144

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °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

  • Seated Height-Max:

    5.21 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    3000 kHz

  • Technology:

    HYBRID

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

  • Width:

    16 mm

LTM4655MPY Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LTM4655MPY near a thermal pad or a heat sink, and ensuring that the thermal vias are connected to a solid copper plane on the bottom layer of the PCB. Additionally, keeping the high-current paths short and wide can help reduce thermal resistance.
  • The selection of input and output capacitors depends on the specific requirements of your application. In general, low-ESR capacitors with high ripple current ratings are recommended. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. The datasheet provides guidelines for capacitor selection, but it's recommended to consult with an applications engineer or perform simulations to determine the optimal capacitor values for your specific use case.
  • The LTM4655MPY can operate in ambient temperatures up to 85°C, but the maximum junction temperature (TJ) should not exceed 125°C. It's recommended to ensure that the device is properly cooled and that the thermal design is adequate to prevent overheating.
  • The LTM4655MPY has a built-in overcurrent protection feature that can be enabled by connecting the OCP pin to a resistor and capacitor network. The datasheet provides a detailed description of how to implement overcurrent protection, including the calculation of the OCP threshold voltage and the selection of the resistor and capacitor values.
  • The recommended startup sequence for the LTM4655MPY involves applying the input voltage (VIN) first, followed by the enable signal (EN). This ensures that the device is properly biased and configured before the output voltage is enabled. The datasheet provides a detailed description of the startup sequence and the recommended timing diagrams.

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LTM4655MPY Overview

Use the download button to access the LTM4655MPY schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LTM46, or try a keyword search, such as Switching Regulator or Controllers

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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