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LT3508IUF#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3508IUF#PBF - DC/DC Switching Regulator, Buck, 2 Output, 3.7 V to 36 V in, 32.4 V/1.4 A out, 2.5 MHz, QFN-24

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LT3508IUF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UF Package 24-Lead Plastic QFN (4mm × 4mm)_)
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LT3508IUF#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - UF Package 24-Lead Plastic QFN (4mm × 4mm)_)
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LT3508IUF#PBF Details

  • Manufacturer Part Number:

    LT3508IUF#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    05-08-1697

  • Country Of Origin:

    Malaysia

  • 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:

    37 V

  • Input Voltage-Min:

    3.7 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.4 A

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2500 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LT3508IUF#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LT3508IUF is 42V, but it's recommended to keep it below 36V for optimal performance and reliability.
  • To ensure stability, it's essential to follow the recommended layout and component selection guidelines, including the use of a suitable output capacitor and a low-ESR input capacitor. Additionally, the input voltage should be well-regulated and free of noise.
  • The maximum output current that the LT3508IUF can deliver is 2A, but it's recommended to derate the output current based on the input voltage, output voltage, and ambient temperature to ensure reliable operation.
  • To optimize efficiency, it's essential to select the right input and output capacitors, ensure a low-ESR input capacitor, and optimize the inductor selection. Additionally, the switching frequency can be adjusted to minimize losses, and the device can be operated in a low-power mode to reduce quiescent current.
  • The LT3508IUF has a thermal shutdown feature that protects the device from overheating. However, it's essential to ensure good thermal design, including a suitable PCB layout, thermal vias, and a heat sink if necessary, to keep the junction temperature below 125°C.

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LT3508IUF#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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