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LT3952IFE#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3952IFE#PBF - Led Driver, 1 Output, Boost (Step Up), 3V-42V in, 3MHz switch, 60V/4A out, TSSOP-28

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LT3952IFE#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3952IFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 28-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663 Rev K) Exposed Pad Variatio
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3D Models
LT3952IFE#PBF - Analog Devices - 3D model - Small Outline Packages - FE Package 28-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663 Rev K) Exposed Pad Variatio
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LT3952IFE#PBF Details

  • Manufacturer Part Number:

    LT3952IFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    TSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1663 (EB)

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    16

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

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

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    2.2 mA

  • Supply Voltage-Max:

    42 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LT3952IFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3952IFE involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate analog ground plane for the device and keep it isolated from the digital ground plane.
  • To ensure stability, it's essential to follow the recommended component values and layout guidelines in the datasheet. Additionally, make sure to use a sufficient output capacitor with a low ESR, and consider adding a small ceramic capacitor in parallel with the output capacitor to improve stability. Also, avoid using long traces and minimize the inductance in the output stage.
  • The LT3952IFE is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the device's power dissipation. It's essential to ensure that the device's junction temperature does not exceed 150°C to maintain reliability and performance.
  • Yes, the LT3952IFE is suitable for high-reliability and automotive applications. It's manufactured using a high-reliability process, and it's qualified to meet the requirements of the AEC-Q100 standard for automotive applications. However, it's essential to follow the recommended design and layout guidelines to ensure the device's performance and reliability in these applications.
  • To troubleshoot issues with the LT3952IFE, start by verifying the input voltage, output voltage, and current. Check for any signs of overheating, and ensure that the device is properly soldered and mounted. Use an oscilloscope to check for any oscillations or noise on the output, and verify that the input and output capacitors are properly connected. If the issue persists, consult the datasheet and application notes for further guidance.

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LT3952IFE#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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