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LTC4020IUHF#PBF - Analog Devices

Description: Wide Voltage Range: 4.5V to 55V Input, Up to 55V Output (60V Absolute Maximums) n Synchronous Buck-Boost DC/DC Controller n Li-Ion and Lead-Acid Charge Algorithms n ±0.5% Float Voltage Accuracy n ±5% Charge Current Accuracy n Instant-On for Heavily Discharged Batteries n Ideal Diode Controller Provides Low Loss PowerPath When Input Power Is Limited n Input Voltage Regulation for High Impedance Input Supplies and Solar Panel Peak Power Operation n Onboard Timer for Protection and Termination n Ba

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LTC4020IUHF#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4020IUHF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHF Package 38-Lead Plastic QFN (5mm × 7mm) (Reference LTC DWG # 05-08-1701 Rev C)
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3D Models
LTC4020IUHF#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UHF Package 38-Lead Plastic QFN (5mm × 7mm) (Reference LTC DWG # 05-08-1701 Rev C)
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LTC4020IUHF#PBF Details

  • Manufacturer Part Number:

    LTC4020IUHF#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1701

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    R-PQCC-N38

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    55 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    20 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

LTC4020IUHF#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4020IUHF#PBF 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 ensure the LTC4020IUHF#PBF is operating within its safe operating area (SOA), monitor the input voltage, output voltage, and output current. Make sure the input voltage is within the recommended range (4.5V to 38V), the output voltage is within the recommended range (0.8V to 36V), and the output current is within the recommended range (up to 2A).
  • The recommended input capacitor value for the LTC4020IUHF#PBF is 10uF to 22uF, with a voltage rating of at least 50V. A low-ESR ceramic capacitor, such as an X5R or X7R type, is recommended.
  • The LTC4020IUHF#PBF output voltage can be programmed using the FB (feedback) pin. Connect a resistive divider from the output voltage to the FB pin, and adjust the resistor values to achieve the desired output voltage. The datasheet provides a formula to calculate the resistor values.
  • The maximum ambient temperature range for the LTC4020IUHF#PBF is -40°C to 125°C. However, the device's performance and reliability may degrade at temperatures above 85°C.

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LTC4020IUHF#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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