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LT3973IMSE-5#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3973IMSE-5#PBF - Buck (Step Down) Switching Regulator, Fixed, 4.2V-42V In, 5V And 750mA Out, DFN-10

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LT3973IMSE-5#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3973IMSE-5#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MSE Package 10-Lead Plastic MSOP, Exposed Die Pad (Reference LTC DWG # 05-08-1664 Rev I)-1
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3D Models
LT3973IMSE-5#PBF - Analog Devices - 3D model - Small Outline Packages - MSE Package 10-Lead Plastic MSOP, Exposed Die Pad (Reference LTC DWG # 05-08-1664 Rev I)-1
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LT3973IMSE-5#PBF Details

  • Manufacturer Part Number:

    LT3973IMSE-5#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, MSOP-10

  • Pin Count:

    10

  • Manufacturer Package Code:

    05-08-1664

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4.2 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PDSO-G10

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.98 A

  • Output Voltage-Max:

    5.1 V

  • Output Voltage-Min:

    4.9 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2580 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LT3973IMSE-5#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LT3973IMSE-5#PBF is 40V, but it's recommended to operate within the specified input voltage range of 4.5V to 38V for optimal performance.
  • To ensure the stability of the output voltage, it's essential to follow the recommended layout guidelines, use a suitable output capacitor, and ensure that the input voltage is within the specified range. Additionally, the output voltage can be adjusted using the feedback resistors.
  • The maximum output current that the LT3973IMSE-5#PBF can deliver is 3A, but it's recommended to operate within the specified output current range of 0A to 2.5A for optimal performance and to prevent overheating.
  • To protect the LT3973IMSE-5#PBF from overheating, ensure that the device is operated within the specified temperature range of -40°C to 125°C, and that the thermal pad is properly connected to a heat sink or a thermal plane. Additionally, ensure that the device is not operated at maximum output current for extended periods.
  • The EN (enable) pin on the LT3973IMSE-5#PBF is used to enable or disable the device. When the EN pin is pulled high, the device is enabled, and when it's pulled low, the device is disabled. This pin can be used to implement power sequencing or to shut down the device when not in use.

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LT3973IMSE-5#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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