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LTC4012IUF-2#TRPBF - Analog Devices

Description: n General Purpose Battery Charger Controller n Efficient 550kHz Synchronous Buck PWM Topology n ±0.5% Output Float Voltage Accuracy n Programmable Charge Current: 4% Accuracy n Programmable AC Adapter Current Limit: 3% Accuracy n No Audible Noise with Ceramic Capacitors n INFET Low Loss Ideal Diode PowerPath™ Control n Wide Input Voltage Range: 6V to 28V n Wide Output Voltage Range: 2V to 28V n Indicator Outputs for AC Adapter Present, Charging, C/10 Current Detection and Input Current Limiting

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LTC4012IUF-2#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4012IUF-2#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UF Package 20-Lead Plastic QFN (4mm × 4mm) (Reference LTC DWG # 05-08-1710 Rev A)
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3D Models
LTC4012IUF-2#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UF Package 20-Lead Plastic QFN (4mm × 4mm) (Reference LTC DWG # 05-08-1710 Rev A)
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LTC4012IUF-2#TRPBF Details

  • Manufacturer Part Number:

    LTC4012IUF-2#TRPBF

  • 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-2#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4012IUF-2#TRPBF 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. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane to reduce noise and EMI.
  • The selection of input and output capacitors for the LTC4012IUF-2#TRPBF depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. For the input capacitor, a value of 10uF to 22uF is typical, while for the output capacitor, a value of 22uF to 47uF is typical. The capacitor voltage rating should be at least 1.5 times the maximum input voltage.
  • The maximum ambient temperature range for the LTC4012IUF-2#TRPBF is -40°C to 125°C. However, the device can operate up to 150°C with derating. It's recommended to follow the thermal derating guidelines provided in the datasheet to ensure reliable operation.
  • To troubleshoot issues with the LTC4012IUF-2#TRPBF, start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are properly selected and installed. Check for any signs of overheating, such as excessive temperature rise or thermal shutdown. Use an oscilloscope to check for any noise or oscillations on the output voltage. Consult the datasheet and application notes for troubleshooting guidelines and tips.
  • Yes, the LTC4012IUF-2#TRPBF is suitable for high-reliability and automotive applications. It's manufactured using a high-reliability process and is qualified to the AEC-Q100 standard for automotive applications. However, it's recommended to follow the specific requirements and guidelines for the target application, including any necessary testing and validation.

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LTC4012IUF-2#TRPBF Overview

Use the download button to access the LTC4012IUF-2#TRPBF schematic symbol, PCB footprint, and 3D model.
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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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