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LTM4705EY#PBF - Analog Devices

Description: 20VIN, Dual 5A or Single 10A Step-Down DC/DC μModule Regulator

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LTM4705EY#PBF - Analog Devices PCB footprint - BGA - BGA - 63-Lead (6.25mm × 7.50mm × 3.22mm)
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LTM4705EY#PBF - Analog Devices  - 3D model - BGA - 63-Lead (6.25mm × 7.50mm × 3.22mm)
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LTM4705EY#PBF Details

  • Manufacturer Part Number:

    LTM4705EY#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    BGA-63

  • Pin Count:

    63

  • Manufacturer Package Code:

    05-08-7023

  • 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:

    20 V

  • Input Voltage-Min:

    1.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PBGA-B63

  • Length:

    7.5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    63

  • Operating Temperature-Max:

    125 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.6 V

  • Output Voltage-Nom:

    1.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    BGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    3.41 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    HYBRID

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    6.25 mm

LTM4705EY#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 soft-shutdown circuit to gradually reduce the output voltage.
  • The LTM4705 can drive up to 100nF of capacitive load. Exceeding this limit may cause oscillations or instability.
  • Use the datasheet's recommended compensation network values as a starting point. Then, adjust the values based on the specific application's requirements and measured performance. A network analyzer or simulation tools can aid in the optimization process.
  • A pi-filter (L-C-R) or a common-mode choke input filter is recommended to reduce electromagnetic interference (EMI) and improve conducted emissions.

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LTM4705EY#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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