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LM3420M5X-8.4/NOPB - Texas Instruments

Description: Lithium-Ion Battery Charge Controller

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LM3420M5X-8.4/NOPB - Texas Instruments - PCB symbol
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PCB Footprints
LM3420M5X-8.4/NOPB - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV0005A
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3D Models
LM3420M5X-8.4/NOPB - Texas Instruments - 3D model - SOT23 (5-Pin) - DBV0005A
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LM3420M5X-8.4/NOPB Details

  • Manufacturer Part Number:

    LM3420M5X-8.4/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    1995-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    13 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    2.92 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.22 mm

  • Supply Voltage-Max (Vsup):

    8.568 V

  • Supply Voltage-Min (Vsup):

    8.232 V

  • Supply Voltage-Nom (Vsup):

    8.4 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.6 mm

LM3420M5X-8.4/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to minimize thermal resistance. A minimum of 2 oz copper thickness is recommended for optimal thermal performance.
  • To ensure reliable startup, Texas Instruments recommends using a soft-start circuit to limit the inrush current during startup. Additionally, a minimum input capacitance of 10uF is recommended to ensure stable operation.
  • The maximum allowed input voltage ripple for the LM3420M5X-8.4/NOPB is 10% of the nominal input voltage. Exceeding this limit may affect the regulator's stability and performance.
  • The LM3420M5X-8.4/NOPB is rated for operation up to 125°C. However, derating of the output current may be necessary at high temperatures to prevent overheating. Consult the datasheet for derating curves and thermal management guidelines.
  • To troubleshoot oscillations or instability issues, check the PCB layout for proper grounding and decoupling, ensure that the input and output capacitors meet the recommended specifications, and verify that the output load is within the recommended range. Consult the datasheet for additional troubleshooting guidelines.

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LM3420M5X-8.4/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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