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LTM4648IY - Analog Devices

Description: Low VIN, 10A Step-Down μModule Regulator

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LTM4648IY - Analog Devices - PCB symbol
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LTM4648IY - Analog Devices PCB footprint - BGA - BGA - LTM4648IY
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LTM4648IY - Analog Devices - 3D model - BGA - LTM4648IY
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LTM4648IY Details

  • Manufacturer Part Number:

    LTM4648IY

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Active

  • Pin Count:

    68

  • Manufacturer Package Code:

    05-08-1892

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.375 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PBGA-B68

  • JESD-609 Code:

    e0

  • Length:

    15 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    68

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY

  • Seated Height-Max:

    5.12 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    HYBRID

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

  • Width:

    9 mm

LTM4648IY Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LTM4648IY near a thermal pad or a heat sink, and ensuring good airflow around the device. The datasheet provides a recommended PCB layout, but it's also recommended to consult with Analog Devices' application notes and thermal modeling tools for more specific guidance.
  • Optimizing the output filter design involves selecting the right inductor and capacitor values to achieve the desired output voltage ripple and transient response. Analog Devices provides a filter design tool and application notes that can help with this process. Additionally, it's recommended to consider the output current and voltage requirements, as well as the input voltage and frequency, when designing the output filter.
  • The maximum input voltage that the LTM4648IY can handle is 15V, but it's recommended to operate the device within the specified input voltage range of 4.5V to 14V for optimal performance and reliability. Exceeding the maximum input voltage can damage the device or affect its performance.
  • To ensure reliable start-up and shutdown of the LTM4648IY, it's recommended to follow the recommended start-up and shutdown sequences outlined in the datasheet. This includes ramping up the input voltage slowly, and ensuring that the output voltage is within the specified range before enabling the device. Additionally, it's recommended to use a soft-start circuit to limit the inrush current during start-up.
  • The recommended input capacitor type and value for the LTM4648IY depend on the input voltage and frequency, as well as the desired output voltage ripple and transient response. In general, a low-ESR ceramic or film capacitor with a value of 10uF to 22uF is recommended. However, it's recommended to consult with Analog Devices' application notes and capacitor selection guides for more specific guidance.

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LTM4648IY 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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