Fairchild FOD2741A B C Optically Isolated Error Amplifier Data Sheet
Summary
Elevate your power designs with the FOD2741 Optically Isolated Error Amplifier. This component integrates a precision shunt reference voltage with a robust optocoupler, providing reliable signal isolation up to 5,000V for critical power systems. Available in three highly accurate grades (A, B, C) and engineered for low temperature coefficient performance, it is ideal for designers of DC/DC converters, regulated supplies, and industrial power equipment seeking minimal component count and maximum stability. The manual provides comprehensive electrical characteristics and application guidelines for professional engineers.
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 15 |
| File Size | 305.64 KB |
| Published | May 20, 2026 |
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Frequently Asked Questions
What types of tolerance grades are available for the FOD2741?
Three grades with different tolerances are offered: 0.5%, 1%, and 2%.
What is the primary function or key components of this device?
It is an Optically Isolated Error Amplifier, comprising a voltage reference circuit (KA431) and an optocoupler.
How does this component help in circuit design?
The low temperature coefficient makes it useful for AC to DC power supplies and DC/DC converters. The tight tolerance also reduces component count by eliminating the need for adjustments.
What are the recommended operating specifications?
Operating Temperature ranges from -40 to +85 °C. Its maximum input voltage (V_IN) is 37 V.