FOD2742A, FOD2742B, FOD2742C is an optically isolated error amplifier with precision reference. It features a 2.5V reference, CTR of 100% to 200%, 2500V RMS isolation, and low temperature coefficient. It is suitable for power supply regulation and DC to DC converter applications.
The document describes the Fairchild FOD2742A, B, and C, which are optically isolated error amplifiers combining an optocoupler, precision reference, and error amplifier in a single package. These devices utilize a gallium arsenide light emitting diode coupled to a silicon phototransistor.
| Temperature Coefficient | 50 ppm/°C max. |
|---|---|
| Operating Temperature | -25 to +85 °C |
Model FOD2742B has a tolerance of 1%.
Yes, it is primarily intended for use in isolated ac to dc power supplies and dc/dc converters.