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| Partname: | FOD2742AR2 |
| Description: | Optically isolated error amplifier. Tolerance 0.5 %. |
| Manufacturer: | Fairchild Semiconductor |
| Package: | SO |
| Pins: | 8 |
| Oper. temp.: | -25 to 85 |
| Datasheet: | PDF (567K).
Click here to download *) |
The FOD2742 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. It comes in 3 grades of reference voltage tolerance = 2%, 1%, and 0.5%. The Current Transfer Ratio (CTR) ranges from 100% to 200%. It also has an outstanding temperature coefficient of 50 ppm/C. It is primarily intended for use as the error amplifier/ reference voltage/optocoupler function in isolated ac to dc power supplies and dc/dc converters. FUNCTIONAL BLOCK DIAGRAM |
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Click here to download FOD2742AR2 Datasheet*) |
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