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RT8509AGQW - RICHTEK

Description: Switching Voltage Regulators 4.5A Step-Up DC/DC Converter

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RT8509AGQW - RICHTEK - PCB symbol
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PCB Footprints
RT8509AGQW - RICHTEK PCB footprint - Small Outline No-lead - Small Outline No-lead - RT8509AGQW
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3D Models
RT8509AGQW - RICHTEK - 3D model - Small Outline No-lead - RT8509AGQW
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RT8509AGQW Details

  • Manufacturer Part Number:

    RT8509AGQW

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    WDFN5x5-12

  • Manufacturer Package Code:

    WDFN5x5-12

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Richtek Technology Corp

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

RT8509AGQW Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. Keep the thermal pad connected to the ground plane to improve heat dissipation.
  • Use a high-quality output capacitor with low ESR, and ensure the input capacitor is properly sized to handle input voltage ripple. Also, ensure the feedback network is properly compensated.
  • The maximum input voltage is 18V, but it's recommended to keep it below 15V for optimal performance and reliability.
  • Yes, but the device is only specified up to 125°C. For temperatures above 125°C, derate the output current and ensure proper thermal management.
  • Use an external current sense resistor and a fuse or a PTC thermistor to protect the device from overcurrent conditions. Also, ensure the output is properly decoupled to prevent oscillations.

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RT8509AGQW Overview

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