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LTC4125IUFD#TRPBF - Analog Devices

Description: Wireless Charging ICs 5W AutoResonant Wireless Power Transmitter

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LTC4125IUFD#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4125IUFD#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD - 20-Lead Plastic QFN (4mm x 5mm)
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3D Models
LTC4125IUFD#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD - 20-Lead Plastic QFN (4mm x 5mm)
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LTC4125IUFD#TRPBF Details

  • Manufacturer Part Number:

    LTC4125IUFD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1711

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    R-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC4125IUFD#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the LTC4125IUFD's performance. Analog Devices recommends a 4-layer board with a solid ground plane, and to keep the high-frequency switching components (e.g., L1, C1, and C2) close to the IC. Additionally, use short, wide traces for the power paths and avoid vias under the IC.
  • The inductor value depends on the input voltage, output voltage, and switching frequency. A good starting point is to use the inductor value recommended in the datasheet (e.g., 1.5μH). Then, adjust the value based on the specific requirements of your application, such as efficiency, ripple current, and output voltage ripple.
  • The LTC4125IUFD is rated for operation up to 125°C ambient temperature. However, the maximum ambient temperature for reliable operation also depends on the specific application, including the PCB layout, airflow, and thermal management. It's recommended to derate the IC's power dissipation and ensure proper thermal management to ensure reliable operation.
  • To troubleshoot issues with the LTC4125IUFD, start by checking the PCB layout and component values against the recommended values in the datasheet. Ensure that the input and output capacitors are properly selected and placed. Use an oscilloscope to measure the voltage and current waveforms, and check for signs of oscillation or instability. Consult the datasheet and application notes for guidance on troubleshooting specific issues.
  • The LTC4125IUFD is a commercial-grade IC, but it can be used in high-reliability or automotive applications with proper design, testing, and validation. Ensure that the IC is operated within its recommended specifications, and that the PCB design and manufacturing process meet the required standards for reliability and quality.

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LTC4125IUFD#TRPBF Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like LTC41, or try a keyword search, such as Power Management 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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