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LT3507AHFE#PBF - Analog Devices

Description: Triple Monolithic Step-Down Regulator with LDO 4V to 36V,2.7A and Two 1.8A,250kHz to 2.5MHz–65°C to 150°C

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LT3507AHFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 38-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1772 Rev C) Exposed Pad Variation AA
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LT3507AHFE#PBF - Analog Devices  - 3D model - Small Outline Packages - FE Package 38-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1772 Rev C) Exposed Pad Variation AA
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LT3507AHFE#PBF Details

  • Manufacturer Part Number:

    LT3507AHFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM WIDTH, LEAD FREE, PLASTIC, TSSOP-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1772

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES AS LDO REGULATOR

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    CONSTANT FREQUENCY

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G38

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6 A

  • 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:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2500 kHz

  • Technology:

    BIPOLAR

  • 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:

    4.4 mm

LT3507AHFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3507AHFE 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 and to keep the power and analog grounds separate.
  • 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 LT3507AHFE 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 remains within the specified range to prevent thermal shutdown or damage.
  • Yes, the LT3507AHFE 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 reliability and performance in these applications.
  • The power dissipation of the LT3507AHFE can be calculated using the equation: Pd = (Vin - Vout) x Iout + (Vin x Iq), where Vin is the input voltage, Vout is the output voltage, Iout is the output current, and Iq is the quiescent current. It's essential to consider the device's thermal resistance and the ambient temperature to ensure that the device's junction temperature remains within the specified range.

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LT3507AHFE#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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