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MCP19123-E/MQ - Microchip

Description: Switching Controllers Digitally enhanced power analog buck controller

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MCP19123-E/MQ - Microchip - PCB symbol
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PCB Footprints
MCP19123-E/MQ - Microchip PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - MCP19123-E/MQ
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MCP19123-E/MQ - Microchip - 3D model - Quad Flat No-Lead - MCP19123-E/MQ
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MCP19123-E/MQ Details

  • Manufacturer Part Number:

    MCP19123-E/MQ

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    VQFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    QFN-28

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    7 Weeks

  • Date Of Intro:

    2017-05-05

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    18

  • Additional Feature:

    3V TO 5V REGULATING OUTPUT ALSO AVAILABLE

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    16 V

  • Output Voltage-Min:

    0.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1600 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

MCP19123-E/MQ Frequently Asked Questions (FAQs)

  • Microchip recommends a 4-layer PCB with a solid ground plane, and placing the device close to the power source. Decoupling capacitors should be placed as close as possible to the device's power pins. A detailed layout guide can be found in the Microchip application note AN1504.
  • The MCP19123-E/MQ is a highly configurable device. Microchip provides a configuration tool, the MCP19123 Configurator, which allows users to generate configuration code for their specific application. The tool can be found on the Microchip website.
  • The maximum output current of the MCP19123-E/MQ is 2A per channel. However, the total output current is limited by the device's thermal performance and the PCB's thermal design. A detailed thermal analysis should be performed to ensure the device operates within its specifications.
  • The MCP19123-E/MQ has a built-in overcurrent protection feature. The device can be configured to detect overcurrent conditions and respond by shutting down the output or limiting the current. The overcurrent threshold can be set using the device's configuration registers.
  • The MCP19123-E/MQ is rated for operation up to 125°C. However, the device's performance and reliability may be affected at high temperatures. A detailed thermal analysis should be performed to ensure the device operates within its specifications. Additionally, the device's power dissipation should be carefully managed to prevent overheating.

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MCP19123-E/MQ Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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