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LM25576MH/NOPB - Texas Instruments

Description: SIMPLE SWITCHER® 4.5V to 42V, 3A Step-Down DC/DC Switching Regulator

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LM25576MH/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - LM25576MH/NOPB
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LM25576MH/NOPB Details

  • Manufacturer Part Number:

    LM25576MH/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    6 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    40 V

  • Output Voltage-Min:

    1.23 V

  • Output Voltage-Nom:

    7.15 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

LM25576MH/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM25576MH/NOPB should include a solid ground plane, a separate power plane for the input voltage, and a heat sink attached to the thermal pad. The thermal pad should be connected to a copper pour on the PCB to dissipate heat efficiently.
  • To ensure stability in the output voltage, it's essential to use a sufficient output capacitance (at least 10uF) and an ESR of less than 1 ohm. Additionally, the input capacitance should be at least 1uF with an ESR of less than 1 ohm.
  • The maximum input voltage that can be applied to the LM25576MH/NOPB is 42V. Exceeding this voltage may cause damage to the device.
  • The LM25576MH/NOPB has an internal overcurrent protection (OCP) feature that limits the output current to 4A. However, it's still recommended to add external overcurrent protection, such as a fuse or a current-sensing resistor, to prevent damage from excessive current.
  • A simple RC filter with a 1uF capacitor and a 1kohm resistor is recommended to filter out high-frequency noise on the input voltage.

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LM25576MH/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 LM25576MHX National Semiconductor Corporation

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Part Image LM25576MH/NOPB National Semiconductor Corporation

Switching Regulator, Current-mode, 3A, 545kHz Switching Freq-Max, PDSO20

Part Image LM25576MH National Semiconductor Corporation

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Part Image LM25576MHX Texas Instruments

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Part Image LM25576QMHX Texas Instruments

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