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FAN53555UC04X - onsemi

Description: Buck Switching Regulator IC Positive Programmable 0.603V 1 Output 5A 20-UFBGA, WLCSP

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PCB Footprints
FAN53555UC04X - onsemi PCB footprint - BGA - BGA - WLCSP20 2.015x1.615x0.586 CASE 567QK ISSUE O_2025
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FAN53555UC04X - onsemi  - 3D model - BGA - WLCSP20 2.015x1.615x0.586 CASE 567QK ISSUE O_2025
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FAN53555UC04X Details

  • Manufacturer Part Number:

    FAN53555UC04X

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    WLCSP-20

  • Package Description:

    WLCSP-20

  • Manufacturer Package Code:

    567QK

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    14 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    8

  • Additional Feature:

    OPERATES IN ADJUSTABLE MODE FROM 0.603V TO 1.411V; ALSO OPERATES IN PFM MODE

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PBGA-B20

  • Length:

    2 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    1.411 V

  • Output Voltage-Min:

    0.603 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Equivalence Code:

    BGA20,4X5,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.625 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2750 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

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

    30

  • Width:

    1.6 mm

FAN53555UC04X Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias under the device is recommended. This helps to dissipate heat efficiently and reduce thermal resistance.
  • Ensure that the device is operated within the recommended temperature range (–40°C to 150°C). Use a heat sink or thermal interface material to improve heat dissipation. Also, consider derating the device's power handling at high temperatures.
  • A low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 4.7 μF to 10 μF is recommended. This helps to filter out noise and ensure stable operation.
  • Use a shielded inductor, keep the layout compact, and minimize loop areas. Also, consider adding EMI filters or shielding to the PCB to reduce radiation.
  • The maximum allowed voltage on the enable pin (EN) is 6 V. Exceeding this voltage may damage the device.

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FAN53555UC04X Overview

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Part Image FAN53555UC04X Fairchild Semiconductor Corporation

Switching Regulator, Voltage-mode, 5A, 2750kHz Switching Freq-Max, PBGA20