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LP2954AIT/NOPB - Texas Instruments

Description: Texas Instruments LP2954AIT/NOPB, LDO Voltage Regulator, Adjustable 250mA, 5.12 V, -20 → 30 Vin, 3-Pin TO-220

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PCB Footprints
LP2954AIT/NOPB - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDE0003B
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3D Models
LP2954AIT/NOPB - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDE0003B
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LP2954AIT/NOPB Details

  • Manufacturer Part Number:

    LP2954AIT/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    SFM

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    4

  • 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:

    e3

  • Length:

    14.986 mm

  • Line Regulation-Max:

    0.01%

  • Load Regulation-Max:

    0.01%

  • 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

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-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:

    TO-220

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    19.55 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    1.4%

  • Width:

    10.16 mm

LP2954AIT/NOPB Frequently Asked Questions (FAQs)

  • The LP2954 can handle input voltages up to 30V, but it's recommended to keep it below 24V for optimal performance and to prevent damage to the internal voltage regulator.
  • To ensure stability, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, keep the input and output capacitors close to the device and use a low-ESR capacitor for the output.
  • The LP2954 can operate with input voltages as low as 6V, but the output voltage will be lower than the nominal 5V. For a 5V output, the minimum input voltage is around 7.5V.
  • The LP2954 is rated for operation up to 125°C, but the output current and voltage may degrade at higher temperatures. Make sure to derate the output current and voltage according to the temperature derating curve in the datasheet.
  • The output voltage of the LP2954 is adjustable and can be calculated using the formula: Vout = 1.23 x (1 + R2/R1), where R1 and R2 are the resistors used in the voltage divider circuit.

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LP2954AIT/NOPB 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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Part Image LP2954AIT/NOPB National Semiconductor Corporation

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