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LT4321IUF#TRPBF - Analog Devices

Description: Power Management Specialized - PMIC PoE Ideal Diode Bridge Controller

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LT4321IUF#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT4321IUF#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 16-Lead Plastic QFN (4mm × 4mm)
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3D Models
LT4321IUF#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - 16-Lead Plastic QFN (4mm × 4mm)
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LT4321IUF#TRPBF Details

  • Manufacturer Part Number:

    LT4321IUF#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGC, QFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1692

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    80 V

  • Supply Voltage-Min (Vsup):

    20 V

  • Supply Voltage-Nom (Vsup):

    55 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4 mm

LT4321IUF#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT4321 involves keeping the input and output traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. 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. Also, ensure that the input and output capacitors are of high quality and have low ESR. Additionally, adding a small resistor (e.g., 10Ω) in series with the output capacitor can help dampen oscillations.
  • The LT4321 is rated for operation from -40°C to 125°C. However, the device's performance may degrade at extreme temperatures. It's essential to ensure proper thermal management and heat sinking to maintain optimal performance.
  • The LT4321 is designed to operate with input voltages between 2.9V and 5.5V. While it's possible to use the device with a different input voltage range, it's essential to ensure that the input voltage remains within the recommended range to maintain optimal performance and prevent damage to the device.
  • To troubleshoot issues with the LT4321, start by verifying the input voltage, output voltage, and current consumption using a multimeter or oscilloscope. Check the PCB layout and component values to ensure they match the recommended values. Also, verify that the input and output capacitors are of high quality and have low ESR. If the issue persists, consult the datasheet and application notes for guidance or contact Analog Devices' technical support.

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LT4321IUF#TRPBF Overview

Use the download button to access the LT4321IUF#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 LT432, or try a keyword search, such as Other Signal Circuits

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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