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NCP1251BSN100T1G - onsemi

Description: Non-dissipative internal and adjustable Over Power Protection (OPP); Frequency Foldback down to 26 kHz and Skip-Cycle in light load conditions; Internal Ramp Compensation; Frequency jittering from full load to skip-cycle; Latch input for OVP and OTP implementations; Over Voltage Protection (OVP) monitoring on the Vcc pin; See NCP1250 for no Over Voltage Protection (OVP) on the Vcc pin

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NCP1251BSN100T1G - onsemi - PCB symbol
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PCB Footprints
NCP1251BSN100T1G - onsemi PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - TSOP-6 CASE318G-02 ISSUE V
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3D Models
NCP1251BSN100T1G - onsemi - 3D model - SOT23 (6-Pin) - TSOP-6 CASE318G-02 ISSUE V
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NCP1251BSN100T1G Details

  • Manufacturer Part Number:

    NCP1251BSN100T1G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSOP-6

  • Package Description:

    TSOP-6

  • Pin Count:

    6

  • Manufacturer Package Code:

    318G-02

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    24 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    6

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    9.4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G6

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSOP6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    108 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.5 mm

NCP1251BSN100T1G Frequently Asked Questions (FAQs)

  • A good PCB layout for the NCP1251BSN100T1G involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure the input and output capacitors are of high quality and have low ESR. Also, ensure the PCB layout is well-designed, and the input and output traces are short and direct. Additionally, a minimum of 10uF input capacitance is recommended.
  • The maximum ambient temperature range for the NCP1251BSN100T1G is -40°C to +125°C. However, the device can operate up to 150°C with derating.
  • Yes, the NCP1251BSN100T1G is suitable for high-reliability applications. It is manufactured using a robust process and has undergone rigorous testing to ensure its reliability. However, it is essential to follow proper design and manufacturing guidelines to ensure the device operates within its specified parameters.
  • To troubleshoot issues with the NCP1251BSN100T1G, start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are of high quality and properly connected. Check the PCB layout for any signs of damage or overheating. If the issue persists, consult the datasheet and application notes for guidance.

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NCP1251BSN100T1G Overview

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