FOD2711A

Overview

The FOD2711A is an optically isolated error amplifier integrating a precision programmable shunt reference and a phototransistor optocoupler. It provides high-voltage isolation with a rated insulation voltage of 5000 Vrms. The device features a 10 kHz bandwidth and operates within a temperature range of -40°C to +85°C. Key electrical parameters include a forward voltage of 1.5 V, a current transfer ratio of 100% to 200%, and a maximum collector-emitter saturation voltage of 400 mV. It utilizes a PDIP-8 package for through-hole mounting.

Feature Summary

• Integrates a precision programmable shunt reference with an optocoupler for compact design
• Provides high-voltage optical isolation between input and output circuits
• Features a phototransistor output stage for signal transmission

Applications

• Switching power supply feedback loops
• Isolated voltage regulation systems
• Industrial control circuit isolation

Procurement Notes

Verify the manufacturer origin, as Fairchild Semiconductor's semiconductor division was acquired by ON Semiconductor. Ensure the specific suffix (e.g., AS, AV) matches the required package type, such as DIP or SOIC. Confirm RoHS compliance status and check for datasheet revisions to ensure compatibility with current design specifications.

Selection Notes

Select this component when a combined reference and isolation solution is required to minimize board space. Consider the 10 kHz bandwidth limitation for high-frequency applications. Verify that the 5000 Vrms isolation rating meets safety standards for the target application environment.

Part Context

The FOD2711A belongs to the family of optically isolated amplifiers designed for feedback control in power electronics. It replaces discrete combinations of shunt references and separate optocouplers, offering a unified solution for error amplification across isolation barriers.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.