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LT3507HUHF#TRPBF - Analog Devices

Description: n Wide Input Range: 4V to 36V n One 2.4A and Two 1.5A Output Switching Regulators with Internal Power Switches n Low Dropout Linear Regulator with External Transistor n Antiphase Switching Reduces Ripple n Independent Run, Tracking/Soft-Start, and Power Good Indicators Ease Supply Sequencing n Uses Small Inductors and Ceramic Capacitors n Adjustable, 250kHz to 2.5MHz Switching Frequency, Synchronizable Over the Full Range n User Programmable Overvoltage and Undervoltage Lockouts n Thermally Enh

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LT3507HUHF#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3507HUHF#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHF Package 38-Lead Plastic QFN (5mm × 7mm) (Reference LTC DWG # 05-08-1701 Rev C)
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3D Models
LT3507HUHF#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UHF Package 38-Lead Plastic QFN (5mm × 7mm) (Reference LTC DWG # 05-08-1701 Rev C)
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LT3507HUHF#TRPBF Details

  • Manufacturer Part Number:

    LT3507HUHF#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 7 MM, LEAD FREE, PLASTIC, M0-220, QFN-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1701

  • 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

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N38

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    3

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6 A

  • Output Voltage-Nom:

    17 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • 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:

    5 mm

LT3507HUHF#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3507HUHF#TRPBF involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the output capacitor has a low ESR and is properly decoupled from the input capacitor. You can also add a small resistor (e.g., 1Ω) in series with the output capacitor to dampen oscillations.
  • The LT3507HUHF#TRPBF is rated for operation up to 125°C ambient temperature. However, it's recommended to derate the device's performance and ensure proper thermal management to prevent overheating, especially in high-power applications.
  • While it's possible to use a different inductor value or type, it's not recommended as it may affect the device's performance, efficiency, and stability. The recommended inductor values and types are carefully selected to ensure optimal performance and should be used whenever possible.
  • To troubleshoot issues, start by verifying the input voltage, output voltage, and current. Check for proper component values, PCB layout, and thermal management. Use an oscilloscope to check for oscillations, ringing, or other anomalies. Consult the datasheet and application notes for guidance, and consider seeking support from Analog Devices' technical support team if needed.

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LT3507HUHF#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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