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FSA551UCX - onsemi

Description: Last Shipments - Dual SPST Depletion Mode Audio Switch with Negative Swing

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FSA551UCX - onsemi PCB footprint - BGA - BGA - FSA551UCX
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FSA551UCX - onsemi  - 3D model - BGA - FSA551UCX
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FSA551UCX Details

  • Manufacturer Part Number:

    FSA551UCX

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    WLCSP-9

  • Package Description:

    WLCSP-9

  • Manufacturer Package Code:

    567SV

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Analog IC - Other Type:

    SPST

  • JESD-30 Code:

    R-PBGA-B9

  • JESD-609 Code:

    e1

  • Length:

    1.38 mm

  • Moisture Sensitivity Level:

    1

  • Normal Position:

    NC

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    9

  • Off-state Isolation-Nom:

    75 dB

  • On-state Resistance Match-Nom:

    0.01 Ω

  • On-state Resistance-Max (Ron):

    0.6 Ω

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    SEPARATE OUTPUT

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA9,3X3,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.619 mm

  • Supply Current-Max (Isup):

    0.12 mA

  • Supply Voltage-Max (Vsup):

    3 V

  • Supply Voltage-Min (Vsup):

    1.5 V

  • Surface Mount:

    YES

  • Switching:

    BREAK-BEFORE-MAKE

  • Technology:

    CMOS

  • 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:

    1.21 mm

FSA551UCX Frequently Asked Questions (FAQs)

  • A good PCB layout for the FSA551UCX involves keeping the input and output traces short and separate, using a solid ground plane, and placing the device close to the power source. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure proper biasing, connect the EN pin to a voltage source (e.g., VCC) through a 10kΩ resistor, and connect the FB pin to the output voltage through a resistive divider. The resistive divider should be chosen such that the FB pin is biased at around 0.6V.
  • The FSA551UCX can handle input voltages up to 24V, but it's recommended to keep the input voltage below 20V for optimal performance and to prevent overheating.
  • The output voltage of the FSA551UCX can be calculated using the following formula: VOUT = 0.6V x (R1 + R2) / R2, where R1 and R2 are the resistors in the resistive divider connected to the FB pin.
  • The FSA551UCX can deliver up to 1.5A of output current, but it's recommended to keep the output current below 1.2A for optimal performance and to prevent overheating.

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FSA551UCX Overview

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