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LT8685SRV#PBF - Analog Devices

Description: 42V Quad, Gangable, Synchronous, Monolithic Step-Down Regulator

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LT8685SRV#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT8685SRV#PBF - Analog Devices PCB footprint - Other - Other - LQFN Package 36-Lead (5mm × 6mm × 0.95mm)
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3D Models
LT8685SRV#PBF - Analog Devices - 3D model - Other - LQFN Package 36-Lead (5mm × 6mm × 0.95mm)
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LT8685SRV#PBF Details

  • Manufacturer Part Number:

    LT8685SRV#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LQFN-36

  • Pin Count:

    36

  • Manufacturer Package Code:

    05-08-7056

  • Country Of Origin:

    South Korea

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    3.3, 1.8, 1.2 VDC ADDITIONAL OUTPUT AVAILABLE

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N36

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    4

  • Number of Terminals:

    36

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.5 A

  • Output Voltage-Min:

    0.8 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLQCCN

  • Package Equivalence Code:

    LCC36,.2X.24,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLATPACK, HEAT SINK/SLUG, LOW PROFILE, FINE PITCH

  • Seated Height-Max:

    1.05 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    3400 kHz

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

LT8685SRV#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8685SRV 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. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended. Additionally, it's essential to follow the layout guidelines provided in the datasheet and application notes.
  • To ensure stability, it's crucial to follow the compensation guidelines provided in the datasheet and application notes. This includes selecting the correct compensation components, such as resistors and capacitors, and placing them in the correct locations. Additionally, it's essential to ensure that the input and output capacitors are of high quality and have low ESR. It's also recommended to simulate the design using SPICE models and perform stability analysis.
  • The LT8685SRV can operate in ambient temperatures up to 125°C, but it's essential to ensure that the device is properly derated to prevent overheating. The device's power dissipation should be calculated based on the ambient temperature, and the device should be mounted on a heat sink if necessary.
  • Yes, the LT8685SRV is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard for automotive applications and is manufactured using a high-reliability process. However, it's essential to follow the recommended design and layout guidelines to ensure the device operates within its specified parameters.
  • To troubleshoot issues with the LT8685SRV, it's essential to follow a systematic approach. This includes verifying the power supply voltage, checking the input and output voltages, and ensuring that the device is properly compensated. It's also recommended to use oscilloscopes and other measurement tools to analyze the device's behavior and identify the root cause of the issue.

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LT8685SRV#PBF Overview

Use the download button to access the LT8685SRV#PBF schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LT868, or try a keyword search, such as Switching Regulator or Controllers

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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