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NCP4305DMTTWG - onsemi

Description: Precise True Secondary Zero Current Detection with Adjustable Threshold; Typically 20 ns Turn off Delay from Current Sense Input to Driver; Zero Current Detection Pin Capability up to 200 V; Optional Ultrafast (7ns) Trigger Input; Disable Input; Adjustable Minimum ON Time and Minimum OFF Time; Self Synchronization; 8 A Sink, 4 A Source Drive capability; Light Load Detection with Modulated Gate Drive; 4.5 V & 9 V UVLO Options and 36 V(Max)

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NCP4305DMTTWG - onsemi - PCB symbol
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NCP4305DMTTWG - onsemi PCB footprint - Other - Other - WDFN8-aq
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NCP4305DMTTWG - onsemi - 3D model - Other - WDFN8-aq
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NCP4305DMTTWG Details

  • Manufacturer Part Number:

    NCP4305DMTTWG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    WDFN-8

  • Package Description:

    WDFN-8

  • Manufacturer Package Code:

    511AT

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Technique:

    RESONANT CONTROL

  • Input Voltage-Max:

    35 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PDSO-N8

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVSON

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, 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:

    500 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4 mm

NCP4305DMTTWG 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. It's also recommended to keep the thermal path short and use a thermal pad on the PCB.
  • Ensure that the device is operated within the recommended temperature range (TJ = -40°C to 150°C). Use a heat sink or thermal interface material to improve heat dissipation. Also, consider derating the device's power handling at high temperatures.
  • The NCP4305DMTTWG has built-in ESD protection diodes on all pins. However, it's still recommended to follow proper ESD handling procedures during assembly and testing. For latch-up prevention, ensure that the device is operated within the recommended voltage and current ranges, and avoid voltage spikes or transients.
  • Check the input voltage, output voltage, and current levels to ensure they are within the recommended ranges. Verify that the device is properly configured and that the feedback network is correctly implemented. Use an oscilloscope to check for oscillations or noise on the output voltage.
  • Use low-ESR capacitors with a minimum capacitance of 10uF for the input capacitor and 22uF for the output capacitor. The capacitor values may need to be adjusted based on the specific application requirements and PCB layout.

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NCP4305DMTTWG Overview

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