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FAN5646UC00X - onsemi

Description: 80 mV Drop-out at 20 mA IOUT ; tON and tOFF for up to two pulses ￭ High-Side Constant Current LED Driver: ; ￭ LED "Soft" Blink: with Logarithmic Fade Up and Fade Down for Power Savings ￭ Follow or Repeat Pattern Mode for Blinking when Applications Processor is Powered Down ￭ Default Pattern Optionally Modified using TinyWire Single-Wire Digital Control for: ; LED Current Rise/Fall Time ; 20 mA Maximum Output Current ; External RSET (SC70 only) or Internal Current Programming ￭ 35 µA Operating Quiescent Curr

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Symbol
FAN5646UC00X - onsemi - PCB symbol
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PCB Footprints
FAN5646UC00X - onsemi PCB footprint - BGA - BGA - 4-Bump WLCSP, 0.4 mm Pitch
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3D Models
FAN5646UC00X - onsemi - 3D model - BGA - 4-Bump WLCSP, 0.4 mm Pitch
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FAN5646UC00X Details

  • Manufacturer Part Number:

    FAN5646UC00X

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    WLCSP-4

  • Package Description:

    WLCSP-4

  • Manufacturer Package Code:

    567QD

  • Country Of Origin:

    Philippines

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    14 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Consumer IC Type:

    CONSUMER CIRCUIT

  • JESD-30 Code:

    S-PBGA-B4

  • Length:

    1 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    4

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.4 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    1 mm

FAN5646UC00X Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias under the device can help to dissipate heat efficiently. It's also recommended to keep the thermal path short and use a thermal pad on the PCB.
  • The device requires a stable input voltage and a proper biasing circuit to ensure optimal performance. A voltage regulator or a voltage reference can be used to provide a stable input voltage, and a resistive divider or a voltage-controlled voltage source can be used to set the bias voltage.
  • The recommended input capacitance value depends on the specific application and the desired level of filtering. A general guideline is to use a capacitance value between 1uF to 10uF, with a voltage rating that matches the input voltage range.
  • The device has built-in overvoltage protection, but additional protection can be added using external components such as TVS diodes or zener diodes. Overcurrent protection can be achieved using a current sense resistor and a comparator or a dedicated overcurrent protection IC.
  • The recommended operating temperature range for the FAN5646UC00X is -40°C to 125°C. However, the device can operate up to 150°C with reduced performance and reliability.

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FAN5646UC00X Overview

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