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LT8620IUDD#TRPBF - Analog Devices

Description: n Wide Input Voltage Range: 3.4V to 65V n Ultralow Quiescent Current Burst Mode® Operation: n 2.5μA IQ Regulating 12VIN to 3.3VOUT n Output Ripple < 10mVP-P n High Efficiency Synchronous Operation: n 94% Efficiency at 1A, 12VIN to 5VOUT n 92% Efficiency at 1A, 12VIN to 3.3VOUT n Fast 30ns Minimum Switch-On Time n Low Dropout Under All Conditions: 250mV at 1A n Safely Tolerates Inductor Saturation in Overload

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LT8620IUDD#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT8620IUDD#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 24-Lead Plastic QFN (3mm × 5mm)
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LT8620IUDD#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - 24-Lead Plastic QFN (3mm × 5mm)
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LT8620IUDD#TRPBF Details

  • Manufacturer Part Number:

    LT8620IUDD#TRPBF

  • 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:

    05-08-1833

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    3.4 V REGULATING OUTPUT ALSO AVAILABLE

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    65 V

  • Input Voltage-Min:

    3.4 V

  • Input Voltage-Nom:

    6 V

  • JESD-30 Code:

    R-PQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    5 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:

    2 A

  • Output Voltage-Nom:

    3.29 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.12X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    3 mm

LT8620IUDD#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8620 involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, it's essential 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 output voltage. A minimum output capacitance of 10uF is recommended.
  • The LT8620 can handle input voltages up to 42V, but it's recommended to operate within the specified input voltage range of 3.4V to 42V for optimal performance and reliability.
  • The LT8620 is rated for operation up to 125°C, but it's essential to consider the thermal derating of the device and ensure that the junction temperature does not exceed 150°C. Proper thermal management and heat sinking may be required for high-temperature applications.
  • The output capacitor should have a low ESR, high ripple current rating, and be rated for the output voltage. A minimum capacitance of 10uF is recommended, but a larger capacitance may be required for specific applications. X5R or X7R ceramic capacitors are suitable options.

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LT8620IUDD#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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