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LTC4449IDCB#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC4449IDCB#PBF - MOSFET IC, High Side And Low Side, 4V-6.5V Supply, 4.5A Pull Down Current, 7ns Fall Time, DFN-8

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LTC4449IDCB#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4449IDCB#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DCB Package 8-Lead Plastic DFN (2mm × 3mm)
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3D Models
LTC4449IDCB#PBF - Analog Devices - 3D model - Small Outline No-lead - DCB Package 8-Lead Plastic DFN (2mm × 3mm)
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LTC4449IDCB#PBF Details

  • Manufacturer Part Number:

    LTC4449IDCB#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    2 X 3 MM 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1718

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • High Side Driver:

    YES

  • Input Characteristics:

    GATED

  • Interface IC Type:

    HALF BRIDGE BASED MOSFET DRIVER

  • JESD-30 Code:

    R-PDSO-N8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    STANDARD

  • Output Peak Current Limit-Nom:

    4.5 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.12,18

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    0.9 mA

  • Supply Voltage-Max:

    6.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    6.5 V

  • Supply Voltage1-Min:

    4 V

  • Supply Voltage1-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.45 mm

  • Terminal Position:

    DUAL

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

    30

  • Turn-off Time:

    0.011 µs

  • Turn-on Time:

    0.014 µs

  • Width:

    2 mm

LTC4449IDCB#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4449IDCB#PBF involves keeping the input and output traces separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a low-ESR capacitor for the input and output capacitors, and to keep the switching node (SW) as short as possible.
  • To ensure the LTC4449IDCB#PBF operates within its SOA, monitor the input voltage, output current, and junction temperature. Make sure the input voltage is within the recommended range (4.5V to 15V), the output current is within the maximum rating (3A), and the junction temperature is below the maximum rating (125°C).
  • The recommended input capacitor value for the LTC4449IDCB#PBF is 10uF to 22uF, with a low-ESR type such as X5R or X7R ceramic capacitors. This helps to filter out noise and ensure stable operation.
  • To troubleshoot issues with the LTC4449IDCB#PBF, start by checking the PCB layout and ensuring it meets the recommended layout guidelines. Then, verify that the input voltage and output current are within the recommended ranges. Use an oscilloscope to check for oscillations or instability, and ensure that the output capacitor is properly sized and of a low-ESR type.
  • The LTC4449IDCB#PBF can operate in high-temperature environments, but its performance and reliability may be affected. The device is rated for operation up to 125°C, but the maximum junction temperature should be derated by 1°C/W above 25°C. Ensure proper thermal management and consider using a heat sink if necessary.

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LTC4449IDCB#PBF 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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