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NCP3284AMNTXG - onsemi

Description: High Efficiency; Fast Load Transient; Frequency Selection; 0.6% accurate reference; Remote Sense; Enable Input and Power Good Indicator; Adjustable Current Limit; Adjustable Soft Start; Thermally enhanced QFN package; Specified from -40℃ to 125℃

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PCB Footprints
NCP3284AMNTXG - onsemi PCB footprint - Other - Other - PQFN37 5x6, 0.5P CASE 483BZ ISSUE A
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NCP3284AMNTXG - onsemi  - 3D model - Other - PQFN37 5x6, 0.5P CASE 483BZ ISSUE A
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NCP3284AMNTXG Details

  • Manufacturer Part Number:

    NCP3284AMNTXG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    PQFN-37

  • Package Description:

    PQFN-36

  • Manufacturer Package Code:

    483BZ

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    14 Weeks

  • Date Of Intro:

    2020-11-24

  • Manufacturer:

    onsemi

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • 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-XQCC-N36

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    36

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    35 A

  • Output Voltage-Max:

    5.4 V

  • Output Voltage-Min:

    4.8 V

  • Output Voltage-Nom:

    5.07 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VQCCN

  • Package Equivalence Code:

    LCC36,.2X.24,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Technology:

    HYBRID

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

NCP3284AMNTXG Frequently Asked Questions (FAQs)

  • A good thermal design should include a solid ground plane, thermal vias under the IC, and a heat sink if possible. The datasheet provides some guidelines, but a more detailed application note is available from onsemi.
  • To ensure reliable start-up and shutdown, make sure to follow the recommended power-up and power-down sequences, and use a soft-start circuit to limit inrush current. Also, ensure that the input voltage is stable and within the recommended range.
  • To minimize EMI, use a pi-filter or a common-mode choke at the input, and ensure that the layout is optimized for low noise and EMI. Also, use a shielded inductor and keep the switching node away from sensitive analog circuits.
  • The compensation network should be optimized for the specific application and output capacitor type. A good starting point is to use the recommended values in the datasheet, and then adjust based on the specific application requirements and stability analysis.
  • The NCP3284AMNTXG has a built-in thermal monitoring circuit, but it's essential to also monitor the temperature of the surrounding components and the PCB. Use thermal sensors and thermal simulation tools to ensure that the design is thermally reliable.

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