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LT3952AIFE#TRPBF - Analog Devices

Description: 60V LED Driver with 4A Switch Current

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LT3952AIFE#TRPBF - Analog Devices - PCB symbol
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LT3952AIFE#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LT3952AIFE#TRPBF - Analog Devices - 3D model - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LT3952AIFE#TRPBF Details

  • Manufacturer Part Number:

    LT3952AIFE#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1663 (EB)

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2019-06-14

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • 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 Shape:

    RECTANGULAR

  • Package Style:

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

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • 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 (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LT3952AIFE#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or heat sink, using thick copper traces for power and ground, and minimizing the distance between the device and the thermal pad or heat sink. Additionally, using a 4-layer PCB with a solid ground plane can help to reduce thermal resistance.
  • To ensure reliable start-up and operation with a wide input voltage range, it's essential to follow the recommended input capacitor selection and placement guidelines, as well as to ensure that the input voltage ramp rate is within the specified limits. Additionally, using a soft-start circuit can help to reduce inrush current and prevent voltage drops during start-up.
  • When selecting the output inductor and capacitor, key considerations include the inductor's saturation current, core loss, and DC resistance, as well as the capacitor's equivalent series resistance (ESR), capacitance, and voltage rating. It's also important to ensure that the inductor and capacitor are compatible with the switching frequency and output current requirements.
  • To optimize the design for low noise and EMI, it's essential to follow good PCB layout practices, such as separating the power and signal traces, using shielding, and minimizing the loop area of the switching node. Additionally, using a low-noise input capacitor, a shielded inductor, and a low-ESR output capacitor can help to reduce noise and EMI.
  • For high-power applications, thermal management considerations include using a heat sink or thermal pad, ensuring good airflow, and selecting a device with a high junction-to-case thermal resistance. Additionally, using a thermistor or thermal sensor to monitor the device temperature can help to prevent overheating and ensure reliable operation.

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LT3952AIFE#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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Part Image LT3952AIFE#PBF Analog Devices Inc

LED Driver, 2-Segment, BIPolar, PDSO28