Key facts
- Brand
- Fairchild
- Model
- FOD2742B
- Industry
- Industrial
- Documents
- 4
- Languages
- EN
- Last added
- 2012-08-01
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FAIRCHILD FOD2742B handbook
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.
Read onlineFairchild FOD2742B specifications
| Reference voltage | 2.5 V |
|---|---|
| Current Transfer Ratio (CTR) | 100 %‑200 % |
| Isolation rating | 2,500 V rms |
| Temperature coefficient | 50 ppm/°C |
| Storage temperature range | -40 °C to +125 °C |
| Operating temperature range | -25 °C to +85 °C |
| Collector‑Emitter breakdown voltage | 70 V |
Source: FAIRCHILD SEMICONDUCTOR FOD2742A FOD2742B FOD2742C Manual(2)
All Fairchild FOD2742B documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the reference voltage tolerance for model B?
Model FOD2742B has a tolerance of 1%.
Is this device suitable for DC to DC converters?
Yes, it is primarily intended for use in isolated ac to dc power supplies and dc/dc converters.
What is the reference voltage of the FOD2742 devices?
Each device provides a 2.5 V precision reference.
From: FAIRCHILD SEMICONDUCTOR FOD2742A FOD2742B FOD2742C Manual(2)
What is the isolation capability of the FOD2742 series?
The devices are rated for 2,500 V rms isolation.
From: FAIRCHILD SEMICONDUCTOR FOD2742A FOD2742B FOD2742C Manual(2)
What is the isolation voltage rating of the FOD2742?
The device provides 2,500 V RMS isolation.
From: FAIRCHILD SEMICONDUCTOR FOD2742A FOD2742B FOD2742C Manual(1)
What reference voltage does the FOD2742 deliver?
It includes a 2.5 V precision reference.
From: FAIRCHILD SEMICONDUCTOR FOD2742A FOD2742B FOD2742C Manual(1)