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FOD2741C
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 8-DIP
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Tube
- 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 (0.300", 7.62mm)
- Supplier Device Package：8-DIP
- Grade：-
- Qualification：-
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Overview
The FOD2741C is an optically isolated error amplifier manufactured by Fairchild Semiconductor. It integrates a precision programmable shunt reference with an optocoupler in an 8-pin DIP package. The device provides high isolation voltage of 5,000 VRMS and operates within a temperature range of -25°C to 85°C. It features a typical current transfer ratio of 100% and a maximum collector-emitter saturation voltage of 400 mV.
Feature Summary
- Integrates a precision programmable shunt reference with an optocoupler for compact design
- Provides high electrical isolation suitable for offline power conversion applications
- Offers accurate error amplification through integrated feedback mechanisms
Applications
- Offline power supply control loops
- Flyback converter primary-side regulation
- Isolated voltage feedback systems
Procurement Notes
Verify the specific suffix 'C' indicates the required tolerance level during procurement. Confirm package type matches the 8-pin DIP requirement. Ensure compatibility with existing compensation network designs between pins 6 and 7. Check for lead-free compliance status if required by assembly standards.
Selection Notes
Select this component when high isolation voltage and integrated reference are needed. Consider the operating temperature range limits. Evaluate the need for precise error amplification in isolated feedback paths. Compare pin compatibility with existing circuit layouts requiring compensation networks between specific pins.
Part Context
This part belongs to the FOD2741 series of optically isolated amplifiers. It combines a shunt reference with optical coupling technology. The series is designed for applications requiring galvanic isolation and precise voltage regulation. It serves as a complete solution for error sensing in isolated power supplies.
Replacement Considerations
Check for direct substitutes from onsemi or other manufacturers offering similar integration. Verify pinout compatibility before substitution. Ensure isolation voltage ratings meet or exceed original specifications.
