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LM2941T/LF03 - Texas Instruments

Description: 1A Low Dropout Adjustable Regulator

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PCB Footprints
LM2941T/LF03 - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDH0005D
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3D Models
LM2941T/LF03 - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDH0005D
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LM2941T/LF03 Details

  • Manufacturer Part Number:

    LM2941T/LF03

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TO-220-5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Max:

    1 V

  • Dropout Voltage1-Nom:

    0.5 V

  • Input Voltage-Max:

    26 V

  • Input Voltage-Min:

    6 V

  • JESD-30 Code:

    R-XZFM-T5

  • JESD-609 Code:

    e3

  • Length:

    14.986 mm

  • Line Regulation-Max (%/V):

    0.032

  • Load Regulation-Max(%):

    0.78%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • 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:

    1 A

  • Output Voltage1-Max:

    20 V

  • Output Voltage1-Min:

    5 V

  • Output Voltage1-Nom:

    20 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    ZFM

  • Package Equivalence Code:

    ZIP5,.15,.17,67TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    20.92 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.702 mm

  • Terminal Position:

    ZIG-ZAG

  • Voltage Tolerance-Max:

    5%

  • Width:

    10.16 mm

LM2941T/LF03 Frequently Asked Questions (FAQs)

  • The maximum input voltage is 26V, but it's recommended to keep it below 20V for reliable operation.
  • Yes, the LM2941T/LF03 is rated for operation up to 125°C, but thermal derating is required above 85°C.
  • Use a 10uF or larger output capacitor, and ensure the input capacitor is at least 1uF to minimize output voltage ripple.
  • The minimum input voltage is 7.5V for the 5V version, and 9.5V for the 3.3V version, but it's recommended to keep it at least 2V above the output voltage.
  • No, the LM2941T/LF03 is not a low-dropout regulator. It requires a minimum input-to-output voltage differential of 2V for proper regulation.

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LM2941T/LF03 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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