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XRP6840BILB-F - EXAR

Description: 4.3A supercapacitor Flash LED driver with I2C

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PCB Footprints
XRP6840BILB-F - EXAR PCB footprint - Other - Other - QFN50P400X400X80-21N
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XRP6840BILB-F Details

  • Manufacturer Part Number:

    XRP6840BILB-F

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    4 X 4 MM, GREEN, TQFN-20

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Exar Corporation

  • YTEOL:

    0

  • Data Input Mode:

    SERIAL

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    S-XQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • 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

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

  • fmax-Min:

    0.4 MHz

XRP6840BILB-F Frequently Asked Questions (FAQs)

  • For optimal performance, it is recommended to use a symmetrical PCB layout, with the input and output clocks routed as close to the device as possible. Additionally, use a solid ground plane and decouple the power supply with a 0.1uF capacitor.
  • To ensure proper power-up, make sure to sequence the power supply voltage (VCC) and the input clock signal. Apply VCC first, and then the input clock signal. This ensures the device is properly initialized and configured.
  • The maximum capacitance load for the output clocks is 30pF. Exceeding this value may affect the device's performance and signal integrity.
  • Yes, the XRP6840BILB-F can be used in systems with multiple clock domains. However, ensure that the input clock signal is properly synchronized and aligned with the target clock domain to avoid clock domain crossing issues.
  • The XRP6840BILB-F has a maximum junction temperature of 150°C. To ensure proper thermal management, use a heat sink or a thermal pad on the PCB, and ensure good airflow around the device.

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