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LM3421MHX/NOPB - Texas Instruments

Description: N-Channel Controllers for Constant Current LED Drivers

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LM3421MHX/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0016A_
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LM3421MHX/NOPB - Texas Instruments  - 3D model - Small Outline Packages - PWP0016A_
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LM3421MHX/NOPB Details

  • Manufacturer Part Number:

    LM3421MHX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    HTSSOP-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    SEATED HGT-NOM

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Segments:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • 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

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Max:

    75 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    14 V

  • Supply Voltage1-Max:

    75 V

  • Supply Voltage1-Min:

    4.5 V

  • Supply Voltage1-Nom:

    14 V

  • Surface Mount:

    YES

  • 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

LM3421MHX/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM3421MHX/NOPB is 42V, but it's recommended to operate within the specified input voltage range of 7V to 40V for optimal performance and reliability.
  • To ensure the stability of the output voltage, it's essential to use the recommended output capacitor value and type, as specified in the datasheet. Additionally, the input capacitor should be selected based on the input voltage and current requirements.
  • The maximum output current that the LM3421MHX/NOPB can deliver is 1.5A. However, the actual output current may be limited by the input voltage, output voltage, and thermal considerations.
  • To protect the LM3421MHX/NOPB from overheating, ensure proper thermal design and layout, including a heat sink if necessary. Monitor the junction temperature and reduce the output current or input voltage if the temperature exceeds the recommended maximum operating temperature of 150°C.
  • Yes, the LM3421MHX/NOPB is qualified for automotive and high-reliability applications. However, it's essential to follow the recommended design and layout guidelines, and to consult with Texas Instruments' application engineers for specific requirements and qualifications.

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LM3421MHX/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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