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LM2576T-3.3/NOPB - Texas Instruments

Description: SIMPLE SWITCHER® 40V, 3A Low Component Count Step-Down Regulator

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LM2576T-3.3/NOPB - Texas Instruments PCB footprint - Other - Other - KC0005A_2019
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LM2576T-3.3/NOPB - Texas Instruments  - 3D model - Other - KC0005A_2019
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LM2576T-3.3/NOPB Details

  • Manufacturer Part Number:

    LM2576T-3.3/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SFM

  • Pin Count:

    3

  • 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-PSFM-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:

    3 A

  • Output Voltage-Max:

    37 V

  • Output Voltage-Min:

    3.3 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-220

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    16.51 mm

  • 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:

    SINGLE

  • Width:

    4.445 mm

LM2576T-3.3/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2576T-3.3/NOPB 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 less than 1 ohm. Additionally, the output voltage can be further stabilized by adding a 10nF capacitor between the output and ground.
  • The maximum output current that the LM2576T-3.3/NOPB can provide is 3A. However, the output current should be derated based on the ambient temperature and the input voltage to ensure reliable operation.
  • The input capacitor value can be calculated using the formula: CIN = (IOUT x ΔI / (ΔV x f)). Where CIN is the input capacitance, IOUT is the output current, ΔI is the input ripple current, ΔV is the input voltage ripple, and f is the switching frequency.
  • The feedback pin (FB) is used to regulate the output voltage. It is connected to the output voltage through a resistive divider network, which sets the output voltage to the desired value.

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LM2576T-3.3/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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