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RT9742CGJ5F - RICHTEK

Description: Power Switch ICs - Power Distribution 70mohm/55mohm, 3A/2.5A/2A/1.5A/1A/0.5A High-Side Power Switches with Flag

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Symbol
RT9742CGJ5F - RICHTEK - PCB symbol
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PCB Footprints
RT9742CGJ5F - RICHTEK PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - TSOT-23-5 (FC)
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3D Models
RT9742CGJ5F - RICHTEK - 3D model - SOT23 (5-Pin) - TSOT-23-5 (FC)
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RT9742CGJ5F Details

  • Manufacturer Part Number:

    RT9742CGJ5F

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSOT-25(FC)

  • Manufacturer Package Code:

    TSOT-25(FC)

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Richtek Technology Corp

  • YTEOL:

    6

  • Analog IC - Other Type:

    Load Switch

RT9742CGJ5F Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. Keep the component side of the PCB clear of copper to minimize thermal resistance.
  • Use a high-quality input capacitor (e.g., X5R or X7R) with a capacitance value of at least 10uF, and ensure the input voltage is within the recommended range (4.5V to 18V).
  • The maximum output current is 2A, but it's recommended to derate the output current to 1.5A for optimal reliability and thermal performance.
  • Use an external OCP circuit, such as a sense resistor and a comparator, to monitor the output current and shut down the regulator if the current exceeds the maximum rating.
  • A low-ESR capacitor (e.g., ceramic or film capacitor) with a value of 10uF to 22uF is recommended to ensure stable operation and minimize input voltage ripple.

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RT9742CGJ5F Overview

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