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NCP81239AMNTXG - onsemi

Description: Wide Input Voltage Range: from 4.5 V to 32 V • Dynamically Programmed Frequency from 150 kHz to 1.2 MHz • I2C Interface • Real Time Power Good Indication • Controlled Slew Rate Voltage Transitioning • Feedback Pin with Internally Programmed Reference • Support USBPD/QC2.0/QC3.0 Profile • 2 Independent Current Sensing Inputs • Over Temperature Protection • Adaptive Non−Overlap Gate Drivers • Filter Capacitor Switch Control • Over−Voltage and Over−Current Protection • Dead Battery Power Support •

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PCB Footprints
NCP81239AMNTXG - onsemi PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - QFN32 5x5, 0.5P CASE 485CE ISSUE O
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NCP81239AMNTXG - onsemi  - 3D model - Quad Flat No-Lead - QFN32 5x5, 0.5P CASE 485CE ISSUE O
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NCP81239AMNTXG Details

  • Manufacturer Part Number:

    NCP81239AMNTXG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    QFN-32

  • Manufacturer Package Code:

    485CE

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    20 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    3

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    32 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-XQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    1344 kHz

  • Temperature Grade:

    INDUSTRIAL

  • 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

NCP81239AMNTXG Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. The device should be placed near a thermal pad or heat sink to dissipate heat efficiently.
  • Ensure that the input voltage rises and falls monotonically, and that the enable pin is properly driven to prevent unwanted start-up or shutdown. A soft-start circuit can also be used to reduce inrush current.
  • The maximum allowed input voltage ripple is 10% of the nominal input voltage. Exceeding this may cause instability or malfunction.
  • Use a combination of capacitors and inductors to filter the output. A minimum of 10uF ceramic capacitor and 1uH inductor is recommended. The output filter should be placed close to the device to minimize noise and ripple.
  • A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended. The capacitor should be placed close to the device's input pins to minimize noise and ripple.

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NCP81239AMNTXG Overview

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