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MIC2954-02WS - Microchip

Description: LDO Regulator Pos 5V 0.25A MIC2954-02WS, Low Dropout Voltage Regulator, 0.25A, 5 V ±0.5%, 2 → 30 Vin, 4-Pin SOT-223

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Symbol
MIC2954-02WS - Microchip - PCB symbol
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PCB Footprints
MIC2954-02WS - Microchip PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - 3-Pin SOT-223 (S)_2022
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3D Models
MIC2954-02WS - Microchip - 3D model - SOT223 (3-Pin) - 3-Pin SOT-223 (S)_2022
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MIC2954-02WS Details

  • Manufacturer Part Number:

    MIC2954-02WS

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    ROHS COMPLIANT, TO-261, SOT-223, 4 PIN

  • Pin Count:

    3

  • Manufacturer Package Code:

    SOT-223-3

  • Country Of Origin:

    Mainland China, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    17 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    8

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.6 V

  • Dropout Voltage1-Nom:

    0.375 V

  • Input Voltage Absolute-Max:

    60 V

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    6 V

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.2%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.25 A

  • Output Voltage1-Max:

    5.07 V

  • Output Voltage1-Min:

    4.93 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOT-223

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.8 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.3 mm

  • Terminal Position:

    DUAL

  • Voltage Tolerance-Max:

    0.5%

  • Width:

    3.5 mm

MIC2954-02WS Frequently Asked Questions (FAQs)

  • A good PCB layout for MIC2954-02WS involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a shielded inductor and to keep the switching node (pin 5) away from sensitive analog circuits.
  • To ensure the MIC2954-02WS operates within its SOA, monitor the input voltage, output current, and junction temperature. Ensure the input voltage is within the recommended range (4.5V to 15V), the output current is within the maximum rating (2A), and the junction temperature is below the maximum rating (125°C).
  • A low-ESR ceramic capacitor (X5R or X7R dielectric) with a value of 10uF to 22uF is recommended for the input capacitor. This helps to filter out input voltage noise and ensure stable operation.
  • The MIC2954-02WS is rated for operation up to 125°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. If your application requires operation above 85°C, consider using a heat sink or a thermally-enhanced package.
  • To troubleshoot oscillations or instability issues, check the PCB layout, ensure the input and output capacitors are properly connected, and verify the inductor value and type. Also, check for any noise or interference on the input or output lines, and ensure the device is operated within its recommended specifications.

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MIC2954-02WS 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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