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LTC3646HMSE-1#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC3646HMSE-1#PBF - DC-DC Switching Buck Step Down Regulator, Adjustable, 4V-40Vin, 600mV-15Vout, 1Aout, MSOP-16

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LTC3646HMSE-1#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3646HMSE-1#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MSE Package 16--Lead Plastic MSOP, Exposed Die Pad
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3D Models
LTC3646HMSE-1#PBF - Analog Devices - 3D model - Small Outline Packages - MSE Package 16--Lead Plastic MSOP, Exposed Die Pad
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LTC3646HMSE-1#PBF Details

  • Manufacturer Part Number:

    LTC3646HMSE-1#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, MSOP-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1667

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 15V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    CONSTANT FREQUENCY

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    4.039 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    15 V

  • Output Voltage-Min:

    0.6 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • 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:

    3 kHz

  • Technology:

    CMOS

  • 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

LTC3646HMSE-1#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3646 involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a separate power plane for the input voltage and to keep the noise-sensitive analog signals away from the switching node.
  • When choosing an inductor for the LTC3646, consider the maximum current rating, inductance value, and core material. A higher inductance value can reduce the ripple current, but may also increase the size and cost of the inductor. The core material should be chosen based on the operating frequency and the desired level of core loss. It's also important to ensure that the inductor is rated for the maximum operating temperature of the application.
  • The LTC3646 is rated for operation in ambient temperatures up to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. It's important to ensure that the device is properly cooled and that the thermal design of the system is adequate to prevent overheating.
  • Yes, the LTC3646 is available in a variety of grades, including the 'H' grade, which is suitable for high-reliability applications, and the 'MP' grade, which is suitable for automotive applications. These grades have additional testing and screening to ensure that the devices meet the required standards for reliability and performance.
  • When troubleshooting issues with the LTC3646, start by checking the basic circuit configuration and component values to ensure that they match the recommended values in the datasheet. Next, check the input and output voltages, as well as the current drawn from the input supply. Use an oscilloscope to examine the waveforms and look for signs of oscillation or instability. Finally, consult the application notes and technical support resources provided by Analog Devices for additional guidance and troubleshooting tips.

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LTC3646HMSE-1#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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