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LTM4620AMPY#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTM4620AMPY#PBF - DC/DC POL Converter, Adjustable, Buck, 500 kHz, 4.5 V to 16 V in, 0.6 V to 5.3 V/13 A out, BGA-144

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LTM4620AMPY#PBF - Analog Devices - PCB symbol
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LTM4620AMPY#PBF - Analog Devices PCB footprint - Other - Other - BGA Package 144-Lead (15mm × 15mm × 5.01mm) (Reference LTC DWG # 05-08-1880 Rev C
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LTM4620AMPY#PBF - Analog Devices - 3D model - Other - BGA Package 144-Lead (15mm × 15mm × 5.01mm) (Reference LTC DWG # 05-08-1880 Rev C
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LTM4620AMPY#PBF Details

  • Manufacturer Part Number:

    LTM4620AMPY#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:

    05-08-1880

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ADJUSTABLE OUTPUT VOLTAGE FROM 0.6V TO 5.3V; ACTS AS SINGLE OR DUAL OUTPUT REGULATOR

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PBGA-B144

  • JESD-609 Code:

    e1

  • Length:

    15 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:

    26 A

  • Output Voltage-Max:

    5 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Equivalence Code:

    BGA144,12X12,50

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY

  • Peak Reflow Temperature (Cel):

    245

  • Seated Height-Max:

    5.21 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    750 kHz

  • Technology:

    HYBRID

  • Temperature Grade:

    MILITARY

  • 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

LTM4620AMPY#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good airflow around the device. The datasheet provides some guidelines, but a more detailed application note (AN137) from Analog Devices provides additional guidance.
  • The output filter design depends on the specific application requirements. A good starting point is to use the recommended output filter components values provided in the datasheet. For more complex designs, Analog Devices provides a filter design tool that can help optimize the output filter components.
  • The maximum ambient temperature for reliable operation is 85°C, but this can be derated based on the specific application and thermal design. It's essential to ensure the device's junction temperature (TJ) stays below 125°C for reliable operation.
  • The LTM4620 has a specific power-up sequence and configuration requirements. Ensure that the input voltage is applied before the enable pin, and that the enable pin is driven high after the input voltage has reached its nominal value. Also, ensure that the output voltage is set correctly using the feedback resistors.
  • To ensure EMI and EMC compliance, it's essential to follow proper PCB layout and design guidelines, use shielding and filtering where necessary, and ensure that the device is properly decoupled. Additionally, Analog Devices provides application notes and guidance on EMI and EMC compliance for the LTM4620.

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LTM4620AMPY#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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