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NCP3237MNTXG - onsemi

Description: Forced CCM; VIN = 4.5 V ~ 16 V; VOUT = 0.6 V ~ 0.80*VIN and up to 12 V; Integrated Power MOSFETs; Up to 8 A Output Current; Integrated 5 V LDO; Programmable Switching Frequency from 300 kHz to 1.2 MHz; Both High−side and Low−side OCP Operation; Hiccup Over−Current Protection; Hiccup Over−Voltage and Under−Voltage Protection; Recoverable Thermal Shutdown Protection; 3.5 mm x 3.5 mm, FCQFN18 Package; Safe Startup into Pre−biased Output Voltage

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PCB Footprints
NCP3237MNTXG - onsemi PCB footprint - Other - Other - QFN18 3.5x3.5, 0.5P CASE 485FR ISSUE O
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NCP3237MNTXG - onsemi  - 3D model - Other - QFN18 3.5x3.5, 0.5P CASE 485FR ISSUE O
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NCP3237MNTXG Details

  • Manufacturer Part Number:

    NCP3237MNTXG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN-18

  • Package Description:

    QFN-18

  • Manufacturer Package Code:

    485FR

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    17 Weeks

  • Date Of Intro:

    2020-01-08

  • Manufacturer:

    onsemi

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    4.7 V

  • JESD-30 Code:

    S-PQCC-N18

  • JESD-609 Code:

    e3

  • Length:

    3.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    8 A

  • Output Voltage-Max:

    0.8 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VQCCN

  • Package Equivalence Code:

    LCC18,.14SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.9 mm

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1200 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    3.5 mm

NCP3237MNTXG Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias under the device can help to dissipate heat efficiently. Ensure that the thermal pad is connected to a large copper area to improve heat dissipation.
  • Ensure that the input voltage (VIN) is within the recommended range (2.5V to 5.5V) and that the enable pin (EN) is properly biased to either VIN or GND. Also, ensure that the output capacitor (COUT) is properly sized to maintain stability.
  • The maximum output current capability of the NCP3237MNTXG is 3A. However, the actual output current capability may be limited by the thermal performance of the PCB and the ambient temperature.
  • Use a voltage supervisor or a voltage monitor IC to detect overvoltage and undervoltage conditions and shut down the device if necessary. Additionally, consider using a TVS diode or a zener diode to protect the device from voltage transients.
  • A 10uF to 22uF ceramic capacitor (X5R or X7R dielectric) is recommended for the input capacitor (CIN). This helps to filter out noise and ripple on the input voltage.

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