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LM3643YFFR - Texas Instruments

Description: Dual LED Flash Driver Capable of up to 1.5A

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PCB Footprints
LM3643YFFR - Texas Instruments PCB footprint - BGA - BGA - DSBGA (12)
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LM3643YFFR - Texas Instruments  - 3D model - BGA - DSBGA (12)
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LM3643YFFR Details

  • Manufacturer Part Number:

    LM3643YFFR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    DSBGA-12

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PBGA-B12

  • JESD-609 Code:

    e1

  • Length:

    1.66 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Segments:

    2

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.625 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.5 V

  • Supply Voltage-Nom:

    3.6 V

  • Supply Voltage1-Max:

    5.5 V

  • Supply Voltage1-Min:

    2.5 V

  • Supply Voltage1-Nom:

    3.6 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    1.28 mm

  • fmax-Min:

    0.4 MHz

LM3643YFFR Frequently Asked Questions (FAQs)

  • The LM3643YFFR can handle a maximum input voltage of 30V, but it's recommended to operate it within the specified input voltage range of 4.5V to 18V for optimal performance.
  • The LM3643YFFR operates within a junction temperature range of -40°C to 125°C. Ensure proper thermal design, including heat sinking and airflow, to maintain a stable temperature range.
  • The minimum ESR requirement for the output capacitor is 10mΩ. Using a capacitor with a lower ESR may cause instability or oscillations in the converter.
  • Yes, the LM3643YFFR is suitable for high-reliability applications. It's built with a robust design and has undergone rigorous testing to ensure its reliability and performance.
  • To minimize EMI, follow proper PCB layout guidelines, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and loops.

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LM3643YFFR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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