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LM25576MHX - Texas Instruments

Description: DC-DC Converters Step-Down Adjustable 1 6V 42V 1.225V 40V 3A HTSSOP-20 RoHS

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LM25576MHX - Texas Instruments - PCB symbol
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LM25576MHX - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP00020A
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LM25576MHX - Texas Instruments - 3D model - Small Outline Packages - PWP00020A
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LM25576MHX Details

  • Manufacturer Part Number:

    LM25576MHX

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-20

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 1.225V

  • 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:

    e0

  • 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

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LM25576MHX Frequently Asked Questions (FAQs)

  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of at least 25V. However, the optimal value may vary depending on the specific application and input voltage ripple requirements.
  • To ensure stability, it's essential to follow the recommended PCB layout guidelines, use a low-ESR output capacitor, and add a 10nF to 22nF capacitor between the VCC pin and GND. Additionally, ensure that the input voltage is within the recommended range and the output is properly decoupled.
  • The LM25576MHX can deliver up to 5A of output current, but this may vary depending on the input voltage, output voltage, and thermal conditions. It's essential to check the thermal derating curves in the datasheet to ensure the device can handle the required output current.
  • The LM25576MHX is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. It's essential to follow the recommended thermal design guidelines and ensure proper heat sinking to maintain a safe operating temperature.
  • To protect the device from input voltage transients and surges, it's recommended to add a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit at the input. This will help absorb or clamp voltage spikes and prevent damage to the device.

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LM25576MHX 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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LM25576MHX Alternates

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Part Image LM25576QMH/NOPB Texas Instruments

Switching Regulator, Current-mode, 3A, 1000kHz Switching Freq-Max, PDSO20
Part Image LM25576MHX National Semiconductor Corporation

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Part Image LM25576MH/NOPB National Semiconductor Corporation

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Part Image LM25576MH National Semiconductor Corporation

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Part Image LM25576QMHX Texas Instruments

Switching Regulator, Current-mode, 545kHz Switching Freq-Max, BICMOS, PDSO20
For a full list of alternate parts for LM25576MHX, check out Findchips.com