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LTC4121EUD-4.2#PBF - Analog Devices

Description: Battery Management 40V 400mA Synchronous Step-Down Battery Charger

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LTC4121EUD-4.2#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 16-Lead Plastic QFN (3mm × 3mm)+
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LTC4121EUD-4.2#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - 16-Lead Plastic QFN (3mm × 3mm)+
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LTC4121EUD-4.2#PBF Details

  • Manufacturer Part Number:

    LTC4121EUD-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:

    1

  • 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 Equivalence Code:

    LCC16,.12SQ,20

  • 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):

    4.4 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

  • Threshold Voltage-Nom:

    +2.21V

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

    30

  • Width:

    3 mm

LTC4121EUD-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 at least 10uF. Also, add a 1-2ohm resistor in series with the output capacitor to dampen oscillations.
  • The maximum ambient temperature for reliable operation is 85°C. However, the device can operate up to 125°C with derating.
  • Yes, but ensure that the PCB is securely fastened and the components are properly soldered. Also, consider using a vibration-resistant capacitor for the output filter.
  • Use an oscilloscope to check the input and output waveforms, and verify that the input voltage is within the recommended range. Also, check for overheating, and ensure that the PCB layout is correct.

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LTC4121EUD-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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