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LTM4661IY - Analog Devices

Description: Switching Voltage Regulators 15V, 4A Boost Module Reg

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LTM4661IY - Analog Devices - PCB symbol
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PCB Footprints
LTM4661IY - Analog Devices PCB footprint - BGA - BGA - BGA Package 25-Lead (6.25mm × 6.25mm × 2.42mm) (Reference LTC DWG # 05-08-1502 Rev A)
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3D Models
LTM4661IY - Analog Devices - 3D model - BGA - BGA Package 25-Lead (6.25mm × 6.25mm × 2.42mm) (Reference LTC DWG # 05-08-1502 Rev A)
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LTM4661IY Details

  • Manufacturer Part Number:

    LTM4661IY

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Active

  • Package Description:

    BGA-25

  • Pin Count:

    25

  • Manufacturer Package Code:

    05-08-1502

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    OUTPUT VOLTAGE IS FROM 2.5V TO 15V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    0.7 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    S-PBGA-B25

  • JESD-609 Code:

    e0

  • Length:

    6.25 mm

  • Moisture Sensitivity Level:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    25

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    4 A

  • Output Voltage-Max:

    15 V

  • Output Voltage-Min:

    2.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY

  • Peak Reflow Temperature (Cel):

    245

  • Seated Height-Max:

    2.62 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    HYBRID

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

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

    20

  • Width:

    6.25 mm

LTM4661IY Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LTM4661IY near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the PCB. A 4-layer PCB with a solid ground plane and a thermal relief pattern around the device can help to dissipate heat efficiently.
  • To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal design and layout guidelines, and to derate the device's power dissipation accordingly. Additionally, consider using thermal interface materials and heat sinks to improve heat dissipation, and ensure that the device is operated within its specified temperature range.
  • Using a lower input voltage than the recommended 3.3V or 5V may result in reduced output voltage accuracy, increased output voltage noise, and decreased output current capability. Using a higher input voltage may result in increased power dissipation, reduced efficiency, and potentially damage to the device. It's recommended to operate the device within the specified input voltage range for optimal performance.
  • To troubleshoot output voltage accuracy issues, check the input voltage, output load, and PCB layout for any anomalies. Ensure that the device is operated within its specified input voltage range and output current capability. Verify that the output voltage sense lines are properly connected and that there is no noise or interference on the output voltage sense lines. If issues persist, consider using an external voltage reference or adjusting the output voltage sense resistor values.
  • Using a different output capacitor value or type than recommended may affect the output voltage ripple, stability, and transient response. A larger output capacitor value may reduce output voltage ripple but increase the device's startup time and output voltage overshoot. A smaller output capacitor value may reduce the device's startup time but increase output voltage ripple. It's recommended to use the recommended output capacitor value and type for optimal performance.

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LTM4661IY 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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