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NCP81561MNTXG - onsemi

Description: • Auto DCM Operation • High Performance RPM Control System • 2−Bit VID Selects 0 V and Three Preset Voltages • Ultra Low Offset IOUT Monitor with DCR Current Sense • Differential Remote Output Voltage Sensing • Soft Transient Control Reduces Inrush Current and Audio Noise • Dynamic VID Feed−forward • Externally Programmable Droop Gain • Automatic Power Saving Mode • Input Supply Voltage Feed−forward Control • Built−in Over−voltage, Under−voltage and Pin Programmable Over−current Protection • Pow

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PCB Footprints
NCP81561MNTXG - onsemi PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - QFN20, 4x4, 0.5P - CASE 485EE - ISSUE A
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NCP81561MNTXG - onsemi  - 3D model - Quad Flat No-Lead - QFN20, 4x4, 0.5P - CASE 485EE - ISSUE A
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NCP81561MNTXG Details

  • Manufacturer Part Number:

    NCP81561MNTXG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN-20

  • Package Description:

    QFN-20

  • Manufacturer Package Code:

    485EE

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    onsemi

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.25 V

  • Input Voltage-Min:

    4.75 V

  • JESD-30 Code:

    S-XQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    VQCCN

  • Package Equivalence Code:

    LCC20,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switching Frequency-Max:

    660 kHz

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

NCP81561MNTXG 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 affect the device's performance and reliability.
  • Yes, but the device's performance and reliability may be affected above 125°C. Ensure proper thermal management and derate the device's performance according to the datasheet's thermal derating curve.
  • Check the input voltage, output load, and feedback network for proper configuration and operation. Verify that the device is properly compensated and that the output voltage is within the specified range.

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NCP81561MNTXG Overview

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