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FOD3120 - onsemi

Description: High noise immunity characterized by 35kV/µs minimum common mode rejection; 2.5A peak output current driving capability for most 800V/20A IGBT; Use of P-channel MOSFETs at output stage enables output voltage swing close to the supply rail; Wide supply voltage range from 15V to 30V; Fast switching speed; 400ns max. propagation delay; 100ns max. pulse width distortion; Under-Voltage LockOut (UVLO) with hysteresis; Extended industrial temperate range, -40°C to 100°C temperature range; Safety and regulatory app

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FOD3120 - onsemi - PCB symbol
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FOD3120 - onsemi PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 8-DIP
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FOD3120 - onsemi - 3D model - Dual-In-Line Packages - 8-DIP
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FOD3120 Details

  • Manufacturer Part Number:

    FOD3120

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    PDIP-8

  • Package Description:

    DIP-8

  • Manufacturer Package Code:

    646CQ

  • Country Of Origin:

    Thailand

  • HTS Code:

    8541.40.80.00

  • Manufacturer:

    onsemi

  • YTEOL:

    6

  • Configuration:

    SINGLE

  • Forward Current-Max:

    0.025 A

  • Isolation Voltage-Max:

    5000 V

  • JESD-609 Code:

    e3

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Elements:

    1

  • Number of Functions:

    1

  • Operating Temperature-Max:

    100 °C

  • Operating Temperature-Min:

    -40 °C

  • Optoelectronic Device Type:

    LOGIC IC OUTPUT OPTOCOUPLER

  • Packing Method:

    TUBE

  • Response Time-Nom:

    6e-8 ns

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin (Sn)

FOD3120 Frequently Asked Questions (FAQs)

  • A good PCB layout for the FOD3120 involves keeping the input and output traces separate, using a ground plane, and minimizing the distance between the photodiode and the amplifier. A 4-layer PCB with a dedicated ground plane is recommended.
  • The FOD3120 requires a bias voltage of 5V to 24V. Ensure the bias voltage is stable and noise-free. A decoupling capacitor of 10uF to 100uF should be placed close to the device to filter out noise.
  • The FOD3120 is rated for operation up to 85°C ambient temperature. However, it's recommended to keep the ambient temperature below 70°C for optimal performance and reliability.
  • The FOD3120 is optimized for use with the SFH 203 photodiode. While it may be possible to use other photodiodes, the performance and sensitivity may vary. Consult the onsemi application note for guidance on using alternative photodiodes.
  • Common issues with the FOD3120 include noise, oscillations, or non-response. Check the PCB layout, bias voltage, and photodiode connection. Use an oscilloscope to verify the output signal and check for noise or oscillations.

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FOD3120 Overview

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