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LT3990IMSE#TRPBF - Analog Devices

Description: Buck Switching Regulator IC Positive Adjustable 1.21V 1 Output 350mA 16-MSOP (0.118", 3.00mm Width) Exposed Pad

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LT3990IMSE#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MSE Package 16--Lead Plastic MSOP, Exposed Die Pad
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LT3990IMSE#TRPBF - Analog Devices  - 3D model - Small Outline Packages - MSE Package 16--Lead Plastic MSOP, Exposed Die Pad
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LT3990IMSE#TRPBF Details

  • Manufacturer Part Number:

    LT3990IMSE#TRPBF

  • 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:

    10

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    62 V

  • Input Voltage-Min:

    4.2 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:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.865 A

  • Output Voltage-Max:

    3.366 V

  • Output Voltage-Min:

    3.234 V

  • Output Voltage-Nom:

    3.3 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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2760 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

LT3990IMSE#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3990 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the output capacitor has a low ESR (Equivalent Series Resistance) and is placed close to the device. A minimum output capacitance of 10uF is recommended.
  • The maximum input voltage that the LT3990 can handle is 60V, but it's recommended to operate the device within the specified input voltage range of 4.5V to 40V for optimal performance and reliability.
  • The LT3990 is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. It's recommended to derate the output current and ensure proper thermal management to prevent overheating.
  • To protect the LT3990 from input voltage surges and transients, use a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit at the input. Additionally, ensure that the input capacitor is rated for the maximum input voltage and has a low ESR.

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LT3990IMSE#TRPBF 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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