High Noise Immunity, 2.5A Output Current, Gate Drive Optocoupler
Fairchild FOD3120The FOD3120 (FOD3120-ND) is a 2.5A Output Current Gate Drive Optocoupler capable of driving most 800V/20A IGBT/MOSFET. It is ideally suited for fast switching driving of power IGBT and MOSFETs used in motor control inverter applications and high performance power system. It utilizes Fairchild’s patented coplanar packaging technology, Optoplanar®, and optimized IC design to achieve high noise immunity, characterized by high common mode rejection. It consists of a gallium aluminum arsenide (AlGaAs) light emitting diode optically coupled to an integrated circuit with a high-speed driver for push-pull MOSFET output stage.

Applications
  • Industrial inverter
  • Uninterruptible power supply
  • Induction heating
  • Isolated IGBT/Power MOSFET gate drive

Features
  • 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
  • Under Voltage LockOut (UVLO) with hysteresis
  • Extended industrial temperate range, -40°C to 100°C
    temperature range
  • RDS(ON) of 3Ω(typ.) offers lower power dissipation
  • >8.0mm clearance and creepage distance (option ‘T’)


  • Datasheet




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