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LP2954IT - Texas Instruments

Description: TEXAS INSTRUMENTS - LP2954IT - Fixed LDO Voltage Regulator, -20V to 30V, 470mV Dropout, 5Vout, 250mAout, TO-220-3

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PCB Footprints
LP2954IT - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDE0003B
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3D Models
LP2954IT - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDE0003B
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LP2954IT Details

  • Manufacturer Part Number:

    LP2954IT

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    PLASTIC, TO-220, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.8 V

  • Dropout Voltage1-Nom:

    0.8 V

  • Input Voltage Absolute-Max:

    30 V

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    6 V

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e0

  • Line Regulation-Max:

    0.02%

  • Load Regulation-Max:

    0.015%

  • Moisture Sensitivity Level:

    1

  • 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:

    TO-220

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    2.4%

LP2954IT Frequently Asked Questions (FAQs)

  • The LP2954IT can operate with an input voltage as low as 3.5V, but it's recommended to use a minimum input voltage of 4.5V to ensure proper regulation and stability.
  • The output capacitor should be chosen based on the output voltage and current requirements. A minimum of 10uF ceramic capacitor is recommended, but a larger capacitor may be needed for higher output currents or to improve transient response.
  • The LP2954IT is rated for operation up to 125°C, but the maximum junction temperature should not exceed 150°C. It's recommended to derate the output current and ensure proper thermal management to prevent overheating.
  • To ensure stability, it's recommended to use a minimum output capacitor of 10uF, keep the input and output capacitors close to the device, and avoid using long traces or wires that can introduce inductance and cause oscillation.
  • Yes, the LP2954IT is suitable for battery-powered devices due to its low quiescent current (IQ) of 75uA. However, it's recommended to consider the battery life and choose a suitable output voltage and current to minimize power consumption.

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LP2954IT Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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