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LM26420XSQ/NOPB - Texas Instruments

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

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LM26420XSQ/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LM26420XSQ/NOPB - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RUM(S-PQFN-N16)
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3D Models
LM26420XSQ/NOPB - Texas Instruments - 3D model - Quad Flat No-Lead - RUM(S-PQFN-N16)
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LM26420XSQ/NOPB Details

  • Manufacturer Part Number:

    LM26420XSQ/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    16

  • 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:

    S-XQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    2

  • Number of Terminals:

    16

  • 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:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.16SQ,25

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LM26420XSQ/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM26420XSQ/NOPB involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, ensure that the output capacitor has a low ESR (Equivalent Series Resistance) and is properly sized for the output voltage and current. Also, make sure the input capacitor is properly sized and placed close to the device. Additionally, ensure that the feedback network is properly designed and the compensation components are correctly selected.
  • The maximum ambient temperature range for the LM26420XSQ/NOPB is -40°C to 125°C. However, the device's performance and reliability may degrade at extreme temperatures. It's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance.
  • Yes, the LM26420XSQ/NOPB is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard for automotive applications and is suitable for use in high-reliability systems.
  • To troubleshoot issues with the LM26420XSQ/NOPB, start by checking the input and output voltages, and the feedback network. Ensure that the device is properly powered and that the input and output capacitors are properly sized and placed. Use an oscilloscope to check for oscillations or noise on the output. Consult the datasheet and application notes for more troubleshooting guidance.

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LM26420XSQ/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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LM26420XSQ/NOPB Alternates

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Part Image LM26420XSQX Texas Instruments

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For a full list of alternate parts for LM26420XSQ/NOPB, check out Findchips.com