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RT7240GSP - RICHTEK

Description: Buck Switching Regulator IC Positive Adjustable 0.765V 1 Output 5A 8-SOIC (0.154", 3.90mm Width) Exposed Pad

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RT7240GSP - RICHTEK - PCB symbol
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PCB Footprints
RT7240GSP - RICHTEK PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead SOP (Exposed Pad)_2026
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RT7240GSP - RICHTEK - 3D model - Small Outline Packages - 8-Lead SOP (Exposed Pad)_2026
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RT7240GSP Details

  • Manufacturer Part Number:

    RT7240GSP

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    PSOP-8

  • Package Description:

    SOP-8

  • Manufacturer Package Code:

    PSOP-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Richtek Technology Corp

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    CONSTANT ON TIME

  • Input Voltage-Max:

    18 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:

    5 A

  • Output Voltage-Max:

    8 V

  • Output Voltage-Min:

    0.765 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSOP

  • Package Equivalence Code:

    SOP8,.25

  • 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:

    760 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.905 mm

RT7240GSP Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. The input and output capacitors should be placed close to the IC, and the feedback resistors should be placed close to the output pins.
  • To ensure stability, the output capacitor should be a low-ESR type, and the feedback resistors should be chosen to ensure a phase margin of at least 45 degrees. Additionally, the input and output capacitors should be decoupled from the power plane.
  • The RT7240GSP can handle input voltages up to 24V, but the maximum recommended input voltage is 18V to ensure reliable operation and to prevent overheating.
  • The output voltage of the RT7240GSP can be calculated using the formula: Vout = Vref x (1 + R2/R1), where Vref is the internal reference voltage (1.25V), R1 is the feedback resistor connected to the output, and R2 is the feedback resistor connected to the input.
  • The RT7240GSP can deliver up to 2A of output current, but the maximum recommended output current is 1.5A to ensure reliable operation and to prevent overheating.

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RT7240GSP Overview

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