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LTC4012CUF#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC4012CUF#PBF - Battery Charger for 4 Cells of Li-Ion, Li-Pol battery, 28V input, 28V charge, QFN-20

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LTC4012CUF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UF Package 20-Lead Plastic QFN (4mm × 4mm)
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LTC4012CUF#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - UF Package 20-Lead Plastic QFN (4mm × 4mm)
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LTC4012CUF#PBF Details

  • Manufacturer Part Number:

    LTC4012CUF#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-220WGGD-1, QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1710

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 2V TO 28V

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    6 V

  • Input Voltage-Nom:

    20 V

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Output Voltage-Nom:

    5 V

  • 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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    633 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LTC4012CUF#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4012CUF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To optimize the performance of the LTC4012CUF in a high-temperature environment, ensure good thermal management by providing adequate heat sinking and airflow. Also, consider using a thermally-enhanced package or a heat sink to reduce the junction temperature.
  • The maximum input voltage that the LTC4012CUF can handle is 18V. Exceeding this voltage may damage the IC. It's recommended to use input voltage protection circuitry to prevent overvoltage conditions.
  • Yes, the LTC4012CUF is suitable for battery-powered applications. It has a low quiescent current of 20mA, making it suitable for battery-powered devices. However, ensure that the input voltage is within the recommended range and that the battery voltage is properly regulated.
  • To troubleshoot issues with the LTC4012CUF, start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are properly connected and that the PCB layout is correct. Use an oscilloscope to check for oscillations or noise on the output. Consult the datasheet and application notes for troubleshooting guidelines.

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LTC4012CUF#PBF 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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