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MIC2954-03WS-TR - Microchip

Description: LDO Voltage Regulators Improved LP2954 Low Drop-out Regulator

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MIC2954-03WS-TR - Microchip - PCB symbol
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PCB Footprints
MIC2954-03WS-TR - Microchip PCB footprint - SOT223 (3-Pin) - SOT223 (3-Pin) - 3-Pin SOT-223 (S)
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MIC2954-03WS-TR - Microchip - 3D model - SOT223 (3-Pin) - 3-Pin SOT-223 (S)
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MIC2954-03WS-TR Details

  • Manufacturer Part Number:

    MIC2954-03WS-TR

  • 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

  • Reach Compliance Code:

    Not Compliant

  • Country Of Origin:

    Mainland China, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    7 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    9

  • 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:

    0.12%

  • 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:

    5.12 V

  • Output Voltage1-Min:

    4.88 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:

    TR

  • 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:

    1%

  • Width:

    3.5 mm

MIC2954-03WS-TR Frequently Asked Questions (FAQs)

  • A good PCB layout for MIC2954-03WS-TR 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 MIC2954-03WS-TR 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 (3A), and the junction temperature is below the maximum rating (150°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 ripple and noise.
  • The output voltage of MIC2954-03WS-TR can be calculated using the formula: Vout = (R1 / R2) * (Vin - Vref), where R1 and R2 are the feedback resistors, Vin is the input voltage, and Vref is the internal reference voltage (1.235V).
  • The enable pin (EN) is used to turn the regulator on or off. When EN is high, the regulator is enabled, and when EN is low, the regulator is disabled. This pin can be used to implement power sequencing or to shut down the regulator when not in use.

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MIC2954-03WS-TR 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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