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LTC4303IDD#TRPBF - Analog Devices

Description: Interface - Signal Buffers, Repeaters I2C Bus Buffer with Stuck Bus Recovery

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LTC4303IDD#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC4303IDD#TRPBF - Analog Devices PCB footprint - Small Outline No-lead - Small Outline No-lead - DD Package 8-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG # 05-08-1698)
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3D Models
LTC4303IDD#TRPBF - Analog Devices - 3D model - Small Outline No-lead - DD Package 8-Lead Plastic DFN (3mm × 3mm) (Reference LTC DWG # 05-08-1698)
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LTC4303IDD#TRPBF Details

  • Manufacturer Part Number:

    LTC4303IDD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-1, DFN-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1698

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Interface IC Type:

    BUS BUFFERS

  • JESD-30 Code:

    S-PDSO-N8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LTC4303IDD#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC4303 involves keeping the hot swap FETs close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance. A 4-layer board with a dedicated power plane is recommended.
  • To ensure reliable hot swap operation, make sure to follow the recommended PCB layout, use a suitable hot swap FET, and ensure that the voltage on the VCC pin is stable and within the recommended range during hot swap events. Also, consider adding a soft-start circuit to reduce inrush current.
  • The maximum allowed voltage on the VCC pin of the LTC4303 is 5.5V. Exceeding this voltage can damage the IC. It's recommended to use a voltage regulator or a voltage clamp to ensure that the voltage on the VCC pin remains within the recommended range.
  • While the LTC4303 is designed to work with specific hot swap FETs, it's possible to use a non-standard FET with some caveats. The FET must have a similar RDS(ON) and gate capacitance to the recommended FETs, and the designer must ensure that the FET is properly driven and biased. However, using a non-standard FET may require additional design and testing efforts.
  • To troubleshoot issues with the LTC4303, start by checking the power supply voltage, ensuring that it's within the recommended range. Then, verify that the hot swap FET is properly biased and driven. Check for any signs of overheating, and ensure that the PCB layout is correct. Use a logic analyzer or oscilloscope to monitor the IC's control signals and identify any anomalies.

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LTC4303IDD#TRPBF 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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