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FOD2741CV
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 8-DIP
- Series：-
- Mfr：onsemi
- 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
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Overview
The FOD2741CV is a high-speed optically isolated error amplifier manufactured by onsemi. It integrates an AlGaAs LED input, a high-speed photodetector, and output circuitry into a single package. This component provides galvanic isolation for power supply feedback loops, combining signal processing with electrical separation to ensure system stability and safety in switching mode applications.
Feature Summary
- Integrates three essential elements for isolated power supplies: LED driver, photodetector, and error amplifier output stage.
- Provides high-speed optical isolation between control circuits and power stages.
- Designed for precise error amplification in feedback loops of switching regulators.
Applications
- Isolated flyback converter feedback loops
- Forward converter control circuits
- Switching mode power supply (SMPS) regulation
Procurement Notes
Verify the specific suffix 'CV' corresponds to the 8-DIP package variant when sourcing. Confirm that the device meets the required isolation voltage ratings for your specific application safety standards. Ensure compatibility with existing PCB footprints designed for standard DIP-8 configurations before finalizing procurement orders.
Selection Notes
Select this component when a monolithic solution for isolated error amplification is required to reduce board space and component count. It is suitable for designs needing high bandwidth and fast transient response in isolated power conversion topologies. Consider thermal management requirements associated with the integrated output stage during operation.
Part Context
This part belongs to onsemi's family of optically isolated error amplifiers. These devices are engineered to replace discrete transistor-based error amplifier circuits in isolated power supplies. The series offers a compact alternative to multi-component solutions, simplifying design while maintaining high performance and reliability in industrial and consumer power applications.
Replacement Considerations
Check pinout compatibility with legacy designs using discrete error amplifiers. Verify that substitute components offer equivalent isolation voltage and propagation delay specifications to maintain loop stability and safety compliance in the target power supply topology.
