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LTC4420CMSE#PBF - Analog Devices

Description: Power Management Specialized - PMIC 18V Dual Input Micropower PowerPath Prioritizer with Backup Supply Monitoring

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LTC4420CMSE#PBF - Analog Devices - PCB symbol
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LTC4420CMSE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 12-Lead Plastic MSOP, Exposed Die Pad
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LTC4420CMSE#PBF - Analog Devices - 3D model - Small Outline Packages - 12-Lead Plastic MSOP, Exposed Die Pad
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LTC4420CMSE#PBF Details

  • Manufacturer Part Number:

    LTC4420CMSE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    MSOP-12

  • Pin Count:

    12

  • Manufacturer Package Code:

    05-08-1666

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    BATTERY BACKUP SUPERVISOR

  • JESD-30 Code:

    R-PDSO-G12

  • JESD-609 Code:

    e3

  • Length:

    4.039 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP12,.19

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max (Isup):

    0.0063 mA

  • Supply Voltage-Max (Vsup):

    18 V

  • Supply Voltage-Min (Vsup):

    1.8 V

  • Supply Voltage-Nom (Vsup):

    3.6 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    3 mm

LTC4420CMSE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4420 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 separate power plane for the input and output voltages to reduce noise coupling.
  • To ensure stability, make sure to follow the recommended component values and layout guidelines in the datasheet. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. It's also important to decouple the input and output pins with ceramic capacitors to reduce noise and prevent oscillation.
  • The LTC4420 is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the power dissipation of the device. It's recommended to derate the device's power dissipation according to the ambient temperature to ensure reliable operation.
  • Yes, the LTC4420 can be used as a synchronous rectifier controller for a flyback converter. The device's high-speed gate driver and adaptive dead-time control make it well-suited for this application. However, it's important to follow the recommended design guidelines and component selection to ensure proper operation.
  • To troubleshoot issues with the LTC4420, start by checking the input and output voltages, as well as the current sense resistor values. Verify that the component values and layout meet the recommended guidelines in the datasheet. Use an oscilloscope to check for oscillation or ringing on the input and output pins. If the issue persists, consult the datasheet's troubleshooting section or contact Analog Devices' technical support for further assistance.

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LTC4420CMSE#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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