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LTC4425IDD#PBF - Analog Devices

Description: Power Management Specialized - PMIC Linear SuperCap Charger with Current-Limited Ideal Diode and V/I Monitor

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LTC4425IDD#PBF - Analog Devices - PCB symbol
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LTC4425IDD#PBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 12-Lead Plastic DFN (3mm × 3mm)
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LTC4425IDD#PBF - Analog Devices - 3D model - Small Outline No-lead - DD Package 12-Lead Plastic DFN (3mm × 3mm)
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LTC4425IDD#PBF Details

  • Manufacturer Part Number:

    LTC4425IDD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-12

  • Pin Count:

    12

  • Manufacturer Package Code:

    05-08-1725

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    S-PDSO-N12

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3.8 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.45 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LTC4425IDD#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 high-current paths. Avoid routing high-frequency signals near the IC's sensitive analog nodes.
  • Monitor the IC's junction temperature (TJ) and ensure it stays below the maximum rating of 125°C. Calculate the IC's power dissipation (PD) using the datasheet's equations, and ensure it stays within the SOA curves provided in the datasheet. Use a thermal interface material (TIM) and a heat sink if necessary.
  • Choose capacitors with low ESR and high ripple current ratings. Ensure the input capacitor can handle the maximum input voltage and current. For the output capacitor, select a type with low ESL and high capacitance to minimize output voltage ripple. Consider using X5R or X7R ceramic capacitors or equivalent.
  • Use an oscilloscope to monitor the input and output voltages, as well as the IC's internal signals (e.g., VCC, EN, and FAULT). Check for proper power sequencing, ensure the input voltage is within the recommended range, and verify the output voltage is within the expected range. Consult the datasheet's troubleshooting section and application notes for guidance.
  • High ambient temperatures can reduce the IC's reliability and increase its power dissipation. Ensure good airflow, use a heat sink if necessary, and consider derating the IC's output current. Monitor the IC's junction temperature and adjust the operating conditions accordingly. Consult the datasheet's thermal management section for guidance.

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LTC4425IDD#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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