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LM3424QMH/NOPB - Texas Instruments

Description: Constant Current N-Channel Controller with Thermal Foldback for Driving LEDs

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LM3424QMH/NOPB - Texas Instruments - PCB symbol
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LM3424QMH/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PWP0020A_
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LM3424QMH/NOPB - Texas Instruments - 3D model - Small Outline Packages - PWP0020A_
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LM3424QMH/NOPB Details

  • Manufacturer Part Number:

    LM3424QMH/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    HTSSOP-20

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Segments:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.2 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

  • fmax-Min:

    2 MHz

LM3424QMH/NOPB Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM3424QMH/NOPB should include a solid ground plane, a separate power plane for the input voltage, and a heat sink attached to the thermal pad. The layout should also minimize thermal resistance and ensure good airflow around the device.
  • The input capacitor should be a low-ESR ceramic capacitor with a value of 10uF to 22uF, and the output capacitor should be a low-ESR ceramic capacitor with a value of 10uF to 47uF. The capacitor values and types should be chosen based on the specific application requirements and the output voltage ripple requirements.
  • The LM3424QMH/NOPB can operate in ambient temperatures up to 105°C, but the device's junction temperature should not exceed 150°C. The device's thermal performance should be carefully evaluated to ensure that it can operate within the specified temperature range.
  • The LM3424QMH/NOPB should be thermally coupled to a heat sink using a thermal interface material (TIM) such as thermal grease or thermal tape. The heat sink should be designed to provide good airflow and should be attached to the device using screws or a clip. The thermal interface material should be applied according to the manufacturer's instructions.
  • The recommended input voltage range for the LM3424QMH/NOPB is 7V to 42V, but the device can operate with input voltages as low as 5V and as high as 50V. However, the device's performance and efficiency may be affected at input voltages outside the recommended range.

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LM3424QMH/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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