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LTM4636EY-1#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTM4636EY-1#PBF - DC/DC POL Converter, Adjustable, Buck, 400 kHz, 15 V to 15 V in, 0.6 V to 3.3 V/40 A out, BGA-144

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LTM4636EY-1#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTM4636EY-1#PBF - Analog Devices PCB footprint - BGA - BGA - 144-Lead (16mm × 16mm × 7.07mm
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3D Models
LTM4636EY-1#PBF - Analog Devices - 3D model - BGA - 144-Lead (16mm × 16mm × 7.07mm
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LTM4636EY-1#PBF Details

  • Manufacturer Part Number:

    LTM4636EY-1#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:

    05-08-1937

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    4.7 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PBGA-B144

  • JESD-609 Code:

    e1

  • Length:

    16 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    144

  • Operating Temperature-Max:

    125 °C

  • Output Current-Max:

    40 A

  • Output Voltage-Max:

    3.3 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:

    7.42 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1200 kHz

  • Technology:

    HYBRID

  • 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:

    16 mm

LTM4636EY-1#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the device on a thick copper plane, using thermal vias to dissipate heat, and keeping the thermal path short and direct. A 4-layer PCB with a solid ground plane and a thermal plane is recommended. Refer to the application note AN136 for more details.
  • The selection of input and output capacitors depends on the specific application requirements. For the LTM4636, a low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor, and a low-ESR ceramic capacitor with a value of 22uF to 47uF is recommended for the output capacitor. The capacitor selection should also consider the voltage rating, ripple current rating, and temperature rating.
  • The maximum ambient temperature for the LTM4636EY-1#PBF is 85°C. However, the device can operate up to 125°C with derating. Refer to the datasheet for more details on thermal derating.
  • The LTM4636 has a built-in overcurrent protection feature that can be enabled by connecting the OCP pin to a resistor divider network. The resistor values can be calculated based on the desired overcurrent threshold. Additionally, an external current sense resistor can be used to monitor the output current and implement overcurrent protection.
  • The recommended soldering profile for the LTM4636EY-1#PBF is a reflow profile with a peak temperature of 260°C and a dwell time of 20-30 seconds. The device is Pb-free and RoHS-compliant, and it can be soldered using a Pb-free soldering process.

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LTM4636EY-1#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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