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LM26420YMHX/NOPB - Texas Instruments

Description: Dual 2.0A, High Frequency Synchronous Step-Down DC-DC Regulator

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LM26420YMHX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0020A
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LM26420YMHX/NOPB - Texas Instruments  - 3D model - Small Outline Packages - PWP0020A
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LM26420YMHX/NOPB Details

  • Manufacturer Part Number:

    LM26420YMHX/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

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 4.5V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    5 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:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2 A

  • Output Voltage-Max:

    4.5 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • 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 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 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

LM26420YMHX/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM26420YMHX/NOPB should include a solid ground plane, wide power traces, and a thermal relief pattern under the IC. This helps to reduce thermal resistance and improve heat dissipation.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, a minimum output capacitance of 10uF is recommended, and the output voltage should be decoupled with a 10nF capacitor.
  • The maximum input voltage rating for the LM26420YMHX/NOPB is 42V. Exceeding this voltage can cause damage to the IC.
  • The LM26420YMHX/NOPB is rated for operation up to 125°C. However, the maximum junction temperature (TJ) should not exceed 150°C. It's essential to ensure proper heat sinking and thermal management to prevent overheating.
  • The output voltage of the LM26420YMHX/NOPB can be calculated using the formula: Vout = (R1/R2) * (1.25V). R1 and R2 are the resistors connected to the FB pin.

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LM26420YMHX/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 LM26420YMHX Texas Instruments

Dual Switching Controller, Current-mode, 700kHz Switching Freq-Max, BICMOS, PDSO20