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IL485 - OPTICALLY COUPLED HIGH SPEED MOSFET DRIVERS OPTOCOUPLER

Description

The IL485 is a photovoltatic generator (optically coupled) designed to drive highly capacitive loads such as the gate of a power MOSFET transistor and at the same time provide isolation and floating voltage supply capability.

Features

  • Fast Turn On.
  • Fast Turn Off.
  • Low Input Current.
  • Isolation Test Voltage, 5300 VACRMS.

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Full PDF Text Transcription

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IL485 OPTICALLY COUPLED HIGH SPEED MOSFET DRIVERS OPTOCOUPLER FEATURES • Fast Turn On • Fast Turn Off • Low Input Current • Isolation Test Voltage, 5300 VACRMS APPLICATIONS • Motor Drive Controls • IGBT-predrivers • AC/DC Power Inverters DESCRIPTION The IL485 is a photovoltatic generator (optically coupled) designed to drive highly capacitive loads such as the gate of a power MOSFET transistor and at the same time provide isolation and floating voltage supply capability. The coupler consists of a GaAlAs light emitting diode as input control and a custom photo IC chip with photodiode arrary (PDA) as output device. When the LED is turned on, the emitted light produces a voltage in the PDA. The output of the PDA is used to drive the gate of a power MOSFET.
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