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LM3281YFQR - Texas Instruments

Description: 3.3-V, 1.2-A, 6-MHz Mini Step-Down DC-DC Converter

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PCB Footprints
LM3281YFQR - Texas Instruments PCB footprint - BGA - BGA - YFQ0006
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LM3281YFQR - Texas Instruments  - 3D model - BGA - YFQ0006
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LM3281YFQR Details

  • Manufacturer Part Number:

    LM3281YFQR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    3.8 V

  • JESD-30 Code:

    R-PBGA-B6

  • JESD-609 Code:

    e1

  • Length:

    1.435 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    90 °C

  • Operating Temperature-Min:

    -30 °C

  • Output Current-Max:

    1.2 A

  • Output Voltage-Max:

    3.3 V

  • Output Voltage-Min:

    3.3 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VFBGA

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY, VERY THIN PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.675 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    6600 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    BOTTOM

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    1.16 mm

LM3281YFQR Frequently Asked Questions (FAQs)

  • The LM3281YFQR can handle input voltages up to 18V, but it's recommended to operate within the 7V to 15V range for optimal performance.
  • To ensure stability, it's essential to use a minimum of 10uF capacitor at the output, and a 1uF capacitor at the input. Additionally, the output capacitor should be placed as close to the output pin as possible.
  • The LM3281YFQR can provide up to 1A of output current, but it's recommended to operate within the 500mA to 800mA range for optimal performance and thermal management.
  • The output voltage can be adjusted by using a resistive divider network between the output pin and the adjust pin. The ratio of the resistors determines the output voltage, which can be calculated using the formula provided in the datasheet.
  • The enable pin (EN) is used to turn the regulator on or off. When the EN pin is pulled high, the regulator is enabled, and when it's pulled low, the regulator is disabled. This pin can be used to implement power-saving features or to turn off the regulator during shutdown.

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LM3281YFQR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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Part Image LM3281YFQT Texas Instruments

Switching Regulator, Voltage-mode, 1.2A, 6000kHz Switching Freq-Max, CMOS, PBGA6