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RT7272AGSP - RICHTEK

Description: RICHTEK - RT7272AGSP - DC-DC Switching Buck Step Down Regulator, Adjustable, 4.5V-36Vin, 800mV-30Vout, 3Aout, SOP-8

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RT7272AGSP - RICHTEK PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead SOP (Exposed Pad)
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3D Models
RT7272AGSP - RICHTEK  - 3D model - Small Outline Packages - 8-Lead SOP (Exposed Pad)
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RT7272AGSP Details

  • Manufacturer Part Number:

    RT7272AGSP

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    PSOP-8

  • Manufacturer Package Code:

    PSOP-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Richtek Technology Corp

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9025 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    30 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.15

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG

  • Seated Height-Max:

    1.753 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    550 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.905 mm

RT7272AGSP 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 with a sense resistor (e.g., 0.1 ohm) and a comparator (e.g., LM339) to detect overcurrent conditions and shut down the regulator.
  • Use a low-ESR capacitor (e.g., ceramic or film capacitor) with a value of at least 10uF and a voltage rating of 25V or higher.

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RT7272AGSP Overview

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