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LTC4012IUF-1#PBF - Analog Devices

Description: High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control,28V -40°C ~ 125°C (TA) 20-QFN (4x4)

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LTC4012IUF-1#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4012IUF-1#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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3D Models
LTC4012IUF-1#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UF Package 20-Lead Plastic QFN (4mm × 4mm)
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LTC4012IUF-1#PBF Details

  • Manufacturer Part Number:

    LTC4012IUF-1#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:

    125 °C

  • Operating Temperature-Min:

    -40 °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:

    AUTOMOTIVE

  • 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

LTC4012IUF-1#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4012 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate power plane for the input voltage and to keep the high-frequency switching nodes away from sensitive analog nodes.
  • When selecting an inductor for the LTC4012, consider the inductor's saturation current, DC resistance, and core material. A good starting point is to choose an inductor with a saturation current rating of at least 1.5 times the maximum output current, and a DC resistance of less than 100mΩ. Additionally, consider using a shielded inductor to reduce EMI.
  • The LTC4012 has an operating junction temperature range of -40°C to 125°C, but the maximum ambient temperature rating depends on the specific application and the thermal design of the system. As a general guideline, the maximum ambient temperature rating is typically around 85°C to 90°C, but this can be derated based on the device's power dissipation and the thermal resistance of the package.
  • Yes, the LTC4012 is available in a variety of grades, including the industrial grade (-40°C to 125°C) and the automotive grade (-40°C to 150°C). Additionally, the device is manufactured using a high-reliability process and is suitable for use in high-reliability and automotive applications, subject to the specific requirements of the application.
  • Common issues with the LTC4012 can often be traced back to poor PCB layout, incorrect component selection, or inadequate decoupling. To troubleshoot these issues, start by reviewing the PCB layout and ensuring that it meets the recommended guidelines. Check the component values and ensure that they are within the recommended ranges. Also, verify that the input and output capacitors are properly decoupled and that the device is properly bypassed.

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LTC4012IUF-1#PBF Overview

Use the download button to access the LTC4012IUF-1#PBF schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like LTC40, 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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