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LM3421MH/NOPB - Texas Instruments

Description: N-Channel Controllers for Constant Current LED Drivers

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LM3421MH/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0016A PowerPAD HTSSOP - 1.2 mm max height
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LM3421MH/NOPB - Texas Instruments  - 3D model - Small Outline Packages - PWP0016A PowerPAD HTSSOP - 1.2 mm max height
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LM3421MH/NOPB Details

  • Manufacturer Part Number:

    LM3421MH/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

LM3421MH/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage that the LM3421MH/NOPB can handle is 42V, but it's recommended to keep it below 40V for reliable operation.
  • To ensure the stability of the output voltage, make sure to use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, use a low-ESR capacitor for the output filter capacitor.
  • The minimum input voltage required for the LM3421MH/NOPB to operate is 7V, but it's recommended to keep it above 8V for reliable operation.
  • Yes, the LM3421MH/NOPB can operate in high-temperature environments up to 150°C, but the output current may need to be derated to prevent overheating.
  • The output voltage of the LM3421MH/NOPB can be calculated using the formula: Vout = (R1/R2) * (1.25V), where R1 and R2 are the resistors used in the feedback network.

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LM3421MH/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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