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MAX77503AEWC+T - Analog Devices

Description: 14V Input, 1.5A High-Efficiency Buck Converter with 9μA IQ

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MAX77503AEWC+T - Analog Devices - PCB symbol
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PCB Footprints
MAX77503AEWC+T - Analog Devices PCB footprint - BGA - BGA - W121A1+3
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3D Models
MAX77503AEWC+T - Analog Devices - 3D model - BGA - W121A1+3
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MAX77503AEWC+T Details

  • Manufacturer Part Number:

    MAX77503AEWC+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    12-WLCSP-N/A

  • Package Description:

    WLP-12

  • Pin Count:

    12

  • Manufacturer Package Code:

    12-WLCSP-N/A

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2018-11-05

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    14 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PBGA-B12

  • Length:

    1.848 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    13.86 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    RECTANGULAR

  • Package Code:

    VFBGA

  • 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

  • Switching Frequency-Max:

    1100 kHz

  • 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:

    1.398 mm

MAX77503AEWC+T Frequently Asked Questions (FAQs)

  • A good PCB layout for the MAX77503AEWC+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 ensure proper power-up and configuration, make sure to follow the recommended power-up sequence, which involves applying the input voltage (VIN) before the enable signal (EN). Also, ensure that the EN pin is driven high after VIN has reached its nominal value. Additionally, configure the device according to the datasheet recommendations for the desired output voltage and operating mode.
  • The MAX77503AEWC+T has a maximum junction temperature (TJ) of 150°C. To ensure reliable operation, ensure good thermal conduction between the IC and the PCB, and provide adequate airflow or heat sinking if necessary. Also, follow the recommended derating guidelines for output current and input voltage based on the ambient temperature.
  • To troubleshoot issues with the MAX77503AEWC+T, start by verifying the input voltage, output voltage, and enable signal using an oscilloscope or multimeter. Check for proper PCB layout, component selection, and soldering quality. Also, ensure that the device is properly configured and powered up according to the datasheet recommendations. If issues persist, consult the datasheet's troubleshooting section or contact Analog Devices' technical support.
  • The MAX77503AEWC+T is a high-reliability device, but it's essential to consult the datasheet and Analog Devices' documentation for specific certifications, such as AEC-Q100, and compliance information, such as RoHS and REACH. Additionally, ensure that your application meets the necessary safety and reliability standards, and consult with Analog Devices' technical support if necessary.

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MAX77503AEWC+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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