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FOD2741A - Optically Isolated Error Amplifier

General Description

The FOD2741 Optically Isolated Amplifier consists of the popular KA431 precision programmable shunt reference and an optocoupler.

The optocoupler is a gallium arsenide (GaAs) light emitting diode optically coupled to a silicon phototransistor.

Key Features

  • Optocoupler, precision reference and error amplifier in single package.
  • 2.5V reference.
  • CTR 100% to 200%.
  • 5,000V RMS isolation.
  • UL approved E90700, Volume 2 CSA approval 1296837 VDE approval 40002463 BSI approval 8702, 8703.
  • Low temperature coefficient 50ppm/°C max.
  • FOD2741A: tolerance 0.5% FOD2741B: tolerance 1% FOD2741C: tolerance 2%.

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Other Datasheets by Fairchild (now onsemi)

Part Number Description
FOD2741B Optically Isolated Error Amplifier
FOD2741C Optically Isolated Error Amplifier
FOD2742A Optically Isolated Error Amplifier
FOD2742B Optically Isolated Error Amplifier
FOD2742C Optically Isolated Error Amplifier

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FOD2741A, FOD2741B, FOD2741C — Optically Isolated Error Amplifier August 2008 FOD2741A, FOD2741B, FOD2741C Optically Isolated Error Amplifier Features ■ Optocoupler, precision reference and error amplifier in single package ■ 2.5V reference ■ CTR 100% to 200% ■ 5,000V RMS isolation ■ UL approved E90700, Volume 2 CSA approval 1296837 VDE approval 40002463 BSI approval 8702, 8703 ■ Low temperature coefficient 50ppm/°C max. ■ FOD2741A: tolerance 0.5% FOD2741B: tolerance 1% FOD2741C: tolerance 2% Applications ■ Power supplies regulation ■ DC to DC converters Description The FOD2741 Optically Isolated Amplifier consists of the popular KA431 precision programmable shunt reference and an optocoupler.