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LTC4440EMS8E - Analog Devices

Description: Driver 2.4A 1-OUT High Side Full Brdg Non-Inv 8-Pin MSOP EP

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LTC4440EMS8E - Analog Devices - PCB symbol
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PCB Footprints
LTC4440EMS8E - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MSOP6
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LTC4440EMS8E - Analog Devices - 3D model - Small Outline Packages - MSOP6
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LTC4440EMS8E Details

  • Manufacturer Part Number:

    LTC4440EMS8E

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    PLASTIC, MSOP-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • High Side Driver:

    YES

  • Input Characteristics:

    GATED SCHMITT TRIGGER

  • Interface IC Type:

    BUFFER OR INVERTER BASED MOSFET DRIVER

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e0

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    STANDARD

  • Output Peak Current Limit-Nom:

    2.4 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max:

    0.4 mA

  • Supply Voltage-Nom:

    12 V

  • Supply Voltage1-Max:

    115 V

  • Supply Voltage1-Nom:

    12 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Turn-off Time:

    0.065 µs

  • Turn-on Time:

    0.065 µs

  • Width:

    3 mm

LTC4440EMS8E Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4440EMS8E involves keeping the high-frequency switching nodes (e.g., SW and VIN) away from sensitive analog nodes, using a solid ground plane, and minimizing trace lengths and loops. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended. Additionally, it's essential to follow the datasheet's guidelines for component placement and routing.
  • To ensure the LTC4440EMS8E operates within its SOA, it's essential to monitor the device's junction temperature, input voltage, output current, and output voltage. The datasheet provides guidelines for maximum ratings and recommended operating conditions. Additionally, thermal management techniques such as heat sinking and airflow can help keep the junction temperature within a safe range.
  • When selecting input and output capacitors for the LTC4440EMS8E, consider the following factors: capacitance value, equivalent series resistance (ESR), voltage rating, and temperature rating. The input capacitor should be able to handle the input voltage ripple and have a low ESR to minimize voltage drops. The output capacitor should be able to handle the output current ripple and have a low ESR to minimize voltage drops and ensure stability.
  • To troubleshoot issues with the LTC4440EMS8E, start by verifying the PCB layout and component placement against the datasheet's guidelines. Check for proper decoupling, filtering, and bypassing of the input and output nodes. Use an oscilloscope to measure the input and output waveforms, and look for signs of oscillation or instability. Consult the datasheet's troubleshooting section and application notes for guidance on specific issues.
  • Operating the LTC4440EMS8E at a frequency other than the recommended 1MHz switching frequency can affect the device's performance, efficiency, and stability. A higher switching frequency can reduce the output voltage ripple but may increase the switching losses and EMI. A lower switching frequency can reduce the switching losses but may increase the output voltage ripple and reduce the device's ability to respond to load transients. Consult the datasheet and application notes for guidance on selecting the optimal switching frequency for your specific application.

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LTC4440EMS8E Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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