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MAX77837EWA+T - Analog Devices

Description: Switching Voltage Regulators 5.5V 400mA/1050mA Switching Current 400nA IQ Buck-Boost Converter

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MAX77837EWA+T - Analog Devices - PCB symbol
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PCB Footprints
MAX77837EWA+T - Analog Devices PCB footprint - BGA - BGA - W81E1+1
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3D Models
MAX77837EWA+T - Analog Devices - 3D model - BGA - W81E1+1
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MAX77837EWA+T Details

  • Manufacturer Part Number:

    MAX77837EWA+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-WLCSP-N/A

  • Package Description:

    WLP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-WLCSP-N/A

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2023-03-07

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.8 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    R-XBGA-B8

  • Length:

    1.808 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.05 A

  • Output Voltage-Max:

    5.2 V

  • Output Voltage-Min:

    1.8 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA8,2X4,16

  • 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

  • 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:

    0.998 mm

MAX77837EWA+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX77837EWA+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 MAX77837EWA+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 voltage rating should be at least 1.5 times the maximum input voltage. Additionally, the capacitor should be able to handle the ripple current and have a low equivalent series resistance (ESR) to minimize power loss.
  • The MAX77837EWA+T has an operating ambient temperature range of -40°C to +85°C. However, the device can operate up to +105°C with derating. It's recommended to follow the thermal derating guidelines provided in the datasheet to ensure reliable operation.
  • The MAX77837EWA+T has a programmable output voltage that can be set using an external resistor divider network. The output voltage can be calculated using the formula provided in the datasheet. The resistor values should be chosen to ensure that the output voltage is within the desired range and that the feedback pin voltage is within the recommended range of 0.8V to 1.2V.
  • The typical efficiency of the MAX77837EWA+T is around 92% to 95% depending on the input voltage, output voltage, and load current. The efficiency can be improved by optimizing the PCB layout, using low-ESR capacitors, and minimizing the voltage drop across the input and output capacitors.

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MAX77837EWA+T Overview

Use the download button to access the MAX77837EWA+T schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like MAX77, or try a keyword search, such as Switching Regulator or Controllers

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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