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LT8638SEV#TRPBF - Analog Devices

Description: 42V, 10A/12A Peak Synchronous Step-Down Silent Switcher 2 , 45mV , –40°C to 125°C , 20 mΩ , 20 nA

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LT8638SEV#TRPBF - Analog Devices - PCB symbol
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LT8638SEV#TRPBF - Analog Devices PCB footprint - Other - Other - LQFN Package 28-Lead (5mm × 4mm × 0.94mm)_2026
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LT8638SEV#TRPBF - Analog Devices - 3D model - Other - LQFN Package 28-Lead (5mm × 4mm × 0.94mm)_2026
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LT8638SEV#TRPBF Details

  • Manufacturer Part Number:

    LT8638SEV#TRPBF

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LQFN-28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    48 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-XQCC-N28

  • Length:

    5 mm

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    12 A

  • Output Voltage-Max:

    25 V

  • Output Voltage-Min:

    3.3 V

  • Output Voltage-Nom:

    5 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HQCCN

  • Package Equivalence Code:

    LCC28,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.03 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2150 kHz

  • Technology:

    BIPOLAR

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LT8638SEV#TRPBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LT8638SEV is 42V, but it's recommended to keep it below 40V for reliable operation.
  • To minimize EMI, keep the input and output capacitors close to the IC, use a solid ground plane, and keep the high-frequency switching nodes (e.g., SW pin) away from sensitive analog nodes. Also, use a shielded inductor and orient it to minimize radiation.
  • The recommended output capacitor type is a low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 10uF to 22uF. This helps to reduce output voltage ripple and improve transient response.
  • The LT8638SEV is rated for operation up to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. Ensure proper thermal design and heat sinking to keep the junction temperature within the recommended range.
  • The output voltage of the LT8638SEV can be adjusted by changing the resistor divider ratio between the FB pin and the output voltage. Use the formula in the datasheet to calculate the required resistor values for the desired output voltage.

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LT8638SEV#TRPBF Overview

Use the download button to access the LT8638SEV#TRPBF schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LT863, 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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