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RT4812GJ8F - RICHTEK

Description: RICHTEK - RT4812GJ8F - DC-DC Switching Boost Step Up Regulator, Adjustable, 1.8V-5.5Vin, 1.8V-5.5V/2.1A out, TSOT-23-8

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Symbol
RT4812GJ8F - RICHTEK - PCB symbol
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PCB Footprints
RT4812GJ8F - RICHTEK PCB footprint - SOT23 (8-Pin) - SOT23 (8-Pin) - TSOT-23-8
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3D Models
RT4812GJ8F - RICHTEK - 3D model - SOT23 (8-Pin) - TSOT-23-8
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RT4812GJ8F Details

  • Manufacturer Part Number:

    RT4812GJ8F

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSOT-28(FC)

  • Manufacturer Package Code:

    TSOT-28(FC)

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Richtek Technology Corp

  • YTEOL:

    7.3

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.8 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    2.8955 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2.1 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    1.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.11

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    500 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    1.6 mm

RT4812GJ8F Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. The RT4812GJ8F's thermal pad should be connected to a large copper area on the PCB to dissipate heat efficiently.
  • To ensure stability, use a minimum output capacitance of 10uF, and ensure the output capacitor's ESR is less than 1 ohm. Additionally, place the output capacitor close to the RT4812GJ8F and use a low-ESR capacitor.
  • The maximum input voltage is 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and prevent damage to the device.
  • The output voltage can be adjusted by changing the resistor divider network connected to the FB pin. Use the formula provided in the datasheet to calculate the required resistor values for the desired output voltage.
  • The maximum output current is 1.5A, but it's recommended to keep the output current below 1.2A to ensure reliable operation and prevent overheating.

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RT4812GJ8F Overview

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