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RT9259AGS - RICHTEK

Description: IC REG DL BUCK/LINEAR SYNC 14SOP

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RT9259AGS - RICHTEK - PCB symbol
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PCB Footprints
RT9259AGS - RICHTEK PCB footprint - Small Outline Packages - Small Outline Packages - 14–Lead SOP
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3D Models
RT9259AGS - RICHTEK - 3D model - Small Outline Packages - 14–Lead SOP
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RT9259AGS Details

  • Manufacturer Part Number:

    RT9259AGS

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Part Package Code:

    SOP-14

  • Manufacturer Package Code:

    14SOP

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Richtek Technology Corp

  • YTEOL:

    0

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • JESD-30 Code:

    R-PDSO-G14

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

RT9259AGS Frequently Asked Questions (FAQs)

  • Richtek provides a recommended PCB layout in their application note ANI-45, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The output capacitor selection depends on the specific application requirements. Richtek recommends using a low-ESR capacitor with a value between 10uF to 22uF, and a voltage rating of at least 2x the output voltage. Additionally, the capacitor should be placed close to the IC to minimize parasitic inductance.
  • Although the datasheet specifies a maximum input voltage of 18V, Richtek recommends limiting the input voltage to 15V to ensure reliable operation and prevent damage to the internal components.
  • Richtek recommends using an external OVP circuit, such as a voltage supervisor IC, to detect overvoltage conditions and shut down the RT9259AGS. The OVP threshold should be set to around 1.5x the nominal input voltage.
  • Richtek recommends using a ceramic or film capacitor with a value between 1uF to 10uF, and a voltage rating of at least 2x the input voltage. The input capacitor should be placed close to the IC to minimize parasitic inductance.

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