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LM2575T-5.0/LF03 - Texas Instruments

Description: SIMPLE SWITCHER 1A Step-Down Voltage Regulator

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LM2575T-5.0/LF03 - Texas Instruments - PCB symbol
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LM2575T-5.0/LF03 - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDH0005D
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LM2575T-5.0/LF03 - Texas Instruments - 3D model - Transistor Outline, Vertical - NDH0005D
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LM2575T-5.0/LF03 Details

  • Manufacturer Part Number:

    LM2575T-5.0/LF03

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-XZFM-T5

  • JESD-609 Code:

    e3

  • Length:

    10.16 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    37 V

  • Output Voltage-Min:

    3.3 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    ZFM

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    63 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.7 mm

  • Terminal Position:

    ZIG-ZAG

  • Width:

    4.57 mm

LM2575T-5.0/LF03 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2575T-5.0/LF03 is 40V. Exceeding this voltage can cause damage to the device.
  • To ensure the stability of the output voltage, it is recommended to use a minimum output capacitance of 10uF with an ESR of 1 ohm or less, and to keep the output voltage sense lines as short as possible.
  • The feedback pin (FB) is used to regulate the output voltage. Connect the FB pin to the output voltage through a resistive divider network to set the desired output voltage.
  • The LM2575T-5.0/LF03 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It is recommended to derate the device's output current and voltage at high temperatures.
  • The output voltage ripple can be calculated using the formula: ΔVout = (Iout x ESR) / (f x Cout), where Iout is the output current, ESR is the equivalent series resistance of the output capacitor, f is the switching frequency, and Cout is the output capacitance.

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LM2575T-5.0/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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