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LTC4120EUD-4.2#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC4120EUD-4.2#PBF - Battery Charger for 1 Cell of Li-Ion, Li-Pol battery, 40V input, 4.2V / 421mA charge, QFN-16

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LTC4120EUD-4.2#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4120EUD-4.2#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UD Package- 16-Lead Plastic QFN (3mm × 3mm)
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LTC4120EUD-4.2#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UD Package- 16-Lead Plastic QFN (3mm × 3mm)
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LTC4120EUD-4.2#PBF Details

  • Manufacturer Part Number:

    LTC4120EUD-4.2#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-16

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1691

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    S-PQCC-N16

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °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):

    40 V

  • Supply Voltage-Min (Vsup):

    12.5 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

LTC4120EUD-4.2#PBF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the power paths.
  • Ensure that the output capacitor has a low ESR, and the input capacitor is properly sized. Also, add a small ceramic capacitor (e.g., 10nF) between the VCC pin and GND to filter out high-frequency noise.
  • The maximum ambient temperature for reliable operation is 85°C. However, the device can operate up to 125°C with derating. Consult the datasheet for thermal derating curves.
  • Yes, the LTC4120EUD-4.2 is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard and is manufactured with automotive-grade processes.
  • Use an oscilloscope to monitor the output voltage and input voltage. Check for noise, ringing, or oscillations. Verify that the input and output capacitors are properly sized and placed. Consult the datasheet and application notes for troubleshooting guidelines.

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LTC4120EUD-4.2#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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