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FOD2711T
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 8-DIP
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：100% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：30V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.5V (Max)
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：400mV
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.400", 10.16mm)
- Supplier Device Package：8-DIP
- Grade：-
- Qualification：-
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Overview
The FOD2711T is a transistor output optocoupler featuring an integrated precision programmable shunt reference, specifically the RC431A. This component functions as an optically isolated error amplifier, combining a high-gain phototransistor with a voltage reference to facilitate feedback control in switching power supplies. It provides electrical isolation between input and output circuits while maintaining signal integrity for regulation purposes.
Feature Summary
- Integrates a precision programmable shunt reference with a phototransistor output
- Provides optical isolation for error amplification applications
- Designed for use in isolated feedback loops within power conversion systems
Applications
- Switching power supply feedback loops
- Isolated error amplifier circuits
- Voltage regulation systems requiring optical isolation
Procurement Notes
Verify current manufacturing status as the FOD2711T may be obsolete or discontinued by Fairchild Semiconductor. Confirm availability through authorized distributors or check for valid replacement part numbers from ON Semiconductor or other manufacturers offering equivalent optically isolated error amplifier solutions. Ensure compatibility with existing PCB footprints and thermal requirements before procurement.
Selection Notes
Select this component when an integrated solution for isolated error amplification is required. The combination of the RC431A reference and phototransistor simplifies circuit design by reducing component count. Consider package type DIP-8 and operating temperature range -40°C to 85°C. Verify that the 50mA output current capability meets system load requirements.
Part Context
The FOD2711 belongs to the FOD271x series of optically isolated amplifiers from Fairchild Semiconductor. These devices are designed to replace discrete resistor networks and separate error amplifier ICs in isolated power supplies. The T suffix typically denotes tape and reel packaging, distinguishing it from tube-packaged variants like FOD2711A.
Replacement Considerations
Check for equivalents such as FOD2711A or FOD2711AS from ON Semiconductor. Verify pinout compatibility and electrical specifications including current transfer ratio and isolation voltage before substitution.
