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FAN53730UCX - onsemi

Description: Fault protections (Input under voltage, Short circuit, and Thermal); Constant On-Time (COT) Architecture; Low Quiescent current: 12µA; 1.2V and 1.8V Logic compatible; Power Good Output; Audio Reduction Mode; Programmable output voltage from 0.3-2V

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Symbol
FAN53730UCX - onsemi - PCB symbol
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PCB Footprints
FAN53730UCX - onsemi PCB footprint - BGA - BGA - WLCSP12 1.07x1.36x0.432, 0.35P CASE 567GK ISSUE O
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3D Models
FAN53730UCX - onsemi - 3D model - BGA - WLCSP12 1.07x1.36x0.432, 0.35P CASE 567GK ISSUE O
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FAN53730UCX Details

  • Manufacturer Part Number:

    FAN53730UCX

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    WLCSP12 1.07x1.36x0.432, 0.35P

  • Package Description:

    WLCSP-12

  • Manufacturer Package Code:

    567GK

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    14 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    CONSTANT ON TIME

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.3 V

  • Input Voltage-Nom:

    3.8 V

  • JESD-30 Code:

    R-XBGA-B12

  • Length:

    1.36 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    2 V

  • Output Voltage-Min:

    0.3 V

  • Output Voltage-Nom:

    1 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA12,3X4,14

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.473 mm

  • Supply Current-Max (Isup):

    0.0193 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2500 kHz

  • Terminal Finish:

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

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.35 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    1.07 mm

FAN53730UCX Frequently Asked Questions (FAQs)

  • A good PCB layout for the FAN53730UCX should prioritize thermal dissipation. Place the device near a thermal pad or a heat sink, and ensure that the thermal vias are connected to a solid copper plane on the bottom layer. Keep the thermal path short and wide to minimize thermal resistance.
  • Choose input capacitors with low ESR (Equivalent Series Resistance) and high ripple current rating to minimize voltage ripple and ensure stable operation. A minimum capacitance of 10uF is recommended, but the optimal value depends on the specific application and input voltage.
  • The EN (Enable) pin is a digital input and should not exceed the maximum rating of 6V. Applying a voltage higher than 6V may damage the device. It's recommended to use a voltage divider or a level shifter if the control signal is from a higher voltage domain.
  • The FAN53730UCX is rated for operation up to 125°C, but the device's performance and reliability may degrade at higher temperatures. Ensure that the device is properly cooled, and consider derating the output current and voltage to prevent overheating.
  • Start by verifying the input voltage, output voltage, and enable pin voltage. Check for proper PCB layout, decoupling, and thermal design. Use an oscilloscope to inspect the output voltage ripple and switching frequency. Consult the datasheet and application notes for specific troubleshooting guidelines.

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FAN53730UCX Overview

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