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RT8251GQW - RICHTEK

Description: IC REG BUCK ADJUSTABLE 5A 16WQFN

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PCB Footprints
RT8251GQW - RICHTEK PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - W-Type 16L QFN 3x3 _2021
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3D Models
RT8251GQW - RICHTEK  - 3D model - Quad Flat No-Lead - W-Type 16L QFN 3x3 _2021
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RT8251GQW Details

  • Manufacturer Part Number:

    RT8251GQW

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    WQFN-16

  • Package Description:

    WQFN-16

  • Manufacturer Package Code:

    16WQFN

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Richtek Technology Corp

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Input Voltage-Max:

    24 V

  • Input Voltage-Min:

    4.75 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-XQCC-N16

  • Length:

    3 mm

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    15 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    720 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    3 mm

RT8251GQW Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short and wide traces for the power lines.
  • Ensure that the output capacitor is within the recommended range (22uF to 47uF), and the input capacitor is at least 10uF. Also, keep the feedback resistors (R1 and R2) within the recommended range (1kΩ to 10kΩ).
  • The RT8251GQW can handle up to 28V input voltage, but it's recommended to keep it below 24V for optimal performance and reliability.
  • The RT8251GQW is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to ensure reliability.
  • The output voltage (Vout) can be calculated using the formula: Vout = (R2 / R1) * (Vin - Vref), where Vin is the input voltage, Vref is the reference voltage (1.25V), and R1 and R2 are the feedback resistors.

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RT8251GQW Overview

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