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MAX77831BEWB+T - Analog Devices

Description: Switching Voltage Regulators Buck-Boost Converter

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MAX77831BEWB+T - Analog Devices - PCB symbol
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PCB Footprints
MAX77831BEWB+T - Analog Devices PCB footprint - BGA - BGA - W352A2+1
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3D Models
MAX77831BEWB+T - Analog Devices - 3D model - BGA - W352A2+1
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MAX77831BEWB+T Details

  • Manufacturer Part Number:

    MAX77831BEWB+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    35-WLCSP-N/A

  • Package Description:

    WLP-35

  • Pin Count:

    35

  • Manufacturer Package Code:

    35-WLCSP-N/A

  • Country Of Origin:

    Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2020-10-08

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    7.6 V

  • JESD-30 Code:

    R-PBGA-B35

  • Length:

    2.828 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    35

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    7 A

  • Output Voltage-Max:

    15 V

  • Output Voltage-Min:

    3 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA35,5X7,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.69 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1908 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Silver/Copper/Nickel (Sn/Ag/Cu/Ni)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    2.028 mm

MAX77831BEWB+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX77831BEWB+T involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane to reduce noise and EMI.
  • The selection of input and output capacitors for the MAX77831BEWB+T depends on the specific application requirements. In general, it's recommended to use low-ESR capacitors with a capacitance value of 10uF to 22uF for the input and output. The capacitor selection should also consider the voltage rating, ripple current rating, and temperature rating.
  • The MAX77831BEWB+T can operate in an ambient temperature range of -40°C to +85°C. However, the device's performance and reliability may be affected at higher temperatures, and it's recommended to derate the device's output current and voltage accordingly.
  • The MAX77831BEWB+T has built-in OVP and UVP features, but they can be adjusted or customized using external resistors and capacitors. For OVP, a resistor divider network can be used to set the overvoltage threshold, while for UVP, a capacitor can be used to set the undervoltage threshold. The datasheet provides more details on how to implement these features.
  • The typical startup time for the MAX77831BEWB+T is around 1ms to 2ms, depending on the input voltage and output load. However, this time can be affected by the input voltage slew rate, output capacitance, and other factors.

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MAX77831BEWB+T 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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