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NCP1340B8D1R2G - onsemi

Description: QR Frequency Jittering; New Quiet-Skip Technology; Integrated HV Startup with Brownout Protection; Valley Switching Operation with Valley Lockout; Integrated X2 Capacitor Discharge Capability; NTC Compatible Fault Pin; High Drive Capability: -500 mA / +800 mA; Latch input for OVP and OTP implementations

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NCP1340B8D1R2G - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - SOIC−9 NB CASE 751BP ISSUE A_2023
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NCP1340B8D1R2G - onsemi  - 3D model - Small Outline Packages - SOIC−9 NB CASE 751BP ISSUE A_2023
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NCP1340B8D1R2G Details

  • Manufacturer Part Number:

    NCP1340B8D1R2G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC-9 NB

  • Manufacturer Package Code:

    751BP

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    23 Weeks

  • Date Of Intro:

    2019-08-29

  • Manufacturer:

    onsemi

  • YTEOL:

    6.4

  • Additional Feature:

    ASLO HAS CONTROL TECHNIQUE OF RESONANT

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    9 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-XDSO-G9

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    9

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SOP9/10,.24,40

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    2 mm

  • Supply Current-Max (Isup):

    1.5 mA

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    25 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

NCP1340B8D1R2G Frequently Asked Questions (FAQs)

  • A good PCB layout for the NCP1340B8D1R2G should include a solid ground plane, a separate power plane for the input voltage, and a heat sink attached to the exposed pad. The layout should also minimize thermal resistance and ensure good airflow.
  • To ensure reliable start-up and shutdown, make sure to follow the recommended soft-start circuitry and timing, and ensure that the input voltage is stable and within the recommended range. Also, ensure that the output voltage is properly decoupled and filtered.
  • The critical components that affect the converter's efficiency are the inductor, the output capacitor, and the MOSFETs. Choosing the right components with low losses and high reliability is crucial for achieving high efficiency.
  • To troubleshoot issues with the output voltage regulation, check the feedback loop components, the voltage reference, and the error amplifier. Ensure that the feedback resistors are properly selected and that the voltage reference is stable and accurate.
  • The thermal design considerations for the NCP1340B8D1R2G include ensuring good airflow, using a heat sink with a low thermal resistance, and minimizing the thermal resistance of the PCB and components. The maximum junction temperature should not exceed 150°C.

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