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LT3952EFE#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3952EFE#PBF - Led Driver, 1 Output, Boost (Step Up), 3V-42V in, 3MHz switch, 60V/4A out, TSSOP-28

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LT3952EFE#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3952EFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 28-Lead Plastic TSSOP_1
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3D Models
LT3952EFE#PBF - Analog Devices - 3D model - Small Outline Packages - 28-Lead Plastic TSSOP_1
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LT3952EFE#PBF Details

  • Manufacturer Part Number:

    LT3952EFE#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

  • 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:

    OTHER

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LT3952EFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LT3952EFE#PBF near a thermal pad or a heat sink, and ensuring that there are no thermal barriers between the device and the heat sink. Additionally, using a 2-layer or 4-layer PCB with a solid ground plane can help to dissipate heat more efficiently.
  • To ensure reliable start-up of the LT3952EFE#PBF, make sure that the input voltage rises monotonically and does not have any negative voltage spikes. Also, ensure that the input capacitor is properly sized to handle the inrush current during start-up.
  • The maximum allowed voltage on the EN pin of the LT3952EFE#PBF is 6V. Exceeding this voltage can cause damage to the device.
  • The LT3952EFE#PBF is rated for operation up to 125°C, but it's recommended to derate the output current and voltage at higher temperatures to ensure reliable operation. Consult the datasheet for more information on thermal derating.
  • To troubleshoot issues with the LT3952EFE#PBF not turning on, check the input voltage, the EN pin voltage, and the output voltage. Ensure that the input voltage is within the recommended range, the EN pin is properly biased, and there are no shorts or open circuits on the output.

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LT3952EFE#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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