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RT6274CHGJ6F - RICHTEK

Description: Switching Voltage Regulators 18V Input, 3.5A, ACOT Buck Converter with Both FETs OC Protection

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Symbol
RT6274CHGJ6F - RICHTEK - PCB symbol
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PCB Footprints
RT6274CHGJ6F - RICHTEK PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - TSOT-23-6 (FC)
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3D Models
RT6274CHGJ6F - RICHTEK - 3D model - SOT23 (6-Pin) - TSOT-23-6 (FC)
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RT6274CHGJ6F Details

  • Manufacturer Part Number:

    RT6274CHGJ6F

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Richtek Technology Corp

  • YTEOL:

    7.7

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G6

  • Length:

    2.8955 mm

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.5 A

  • Output Voltage-Max:

    7 V

  • Output Voltage-Min:

    0.765 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VSSOP

  • Package Equivalence Code:

    TSOP6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1200 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Width:

    1.6 mm

RT6274CHGJ6F Frequently Asked Questions (FAQs)

  • Richtek provides a recommended PCB layout in their application note ANI-23, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • Richtek recommends using an inductor with a low DCR (direct current resistance) and high saturation current to minimize power losses. The datasheet provides a table with recommended inductor values, but you can also use Richtek's inductor selection guide or consult with their application engineers for specific guidance.
  • The maximum Tj for the RT6274CHGJ6F is 125°C, but Richtek recommends designing for a maximum Tj of 115°C to ensure reliable operation and minimize thermal-related failures.
  • Richtek recommends following a specific power-up sequence, which includes applying the input voltage, then the enable signal, and finally the clock signal. The datasheet provides a detailed power-up sequence diagram and timing requirements.
  • Richtek recommends using low-ESR (equivalent series resistance) capacitors with a minimum capacitance of 10uF for the input and output. The datasheet provides a table with recommended capacitor values and characteristics.

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RT6274CHGJ6F Overview

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