FOD2711S

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FOD2711S belongs to optoisolators family, more specifically, the transistor, photovoltaic output variety. This photovoltaic optoisolator offers input-output isolation of up to 3750 volts, and features an open-collector output with a wide on/off ratio of 3.0. The isolation barrier is built into a single package, and offers excellent performance in space-constrained designs.

Applications

The FOD2711S can be used across a wide array of applications where signal isolation, protection, and noise immunity is needed. Some typical applications are as follows:

• Office automation equipment, including copiers and printers
• Medical equipment
• Industrial machinery
• HVAC systems
• Lighting and dimming systems
• Security and surveillance equipment

Working Principle

The photovoltaic optoisolator FOD2711S consists of an LED optically coupled to a phototransistor and provides a high degree of electrical isolation between two circuits. An LED emits infrared light when conducting current, which is then received by the phototransistor and converted to current. Because of the optical barrier, there is no electrical conduction between the LED and transistors, isolating the two circuits.

The FOD2711S features a load current rating of up to 10mA, an LED forward voltage of 1.2 to 1.9V, and an LED reverse breakdown voltage of 5V. The collector current rating of the optoisolator is 10mA, and the output can be open-collector or totem-pole depending on the application. The signal transmission rate is up to 10 MBd, allowing for fast and reliable data transmission.

Conclusion

In conclusion, the FOD2711S photovoltaic optoisolator offers excellent performance and reliable signal isolation for use in a wide range of applications. With its high load current rating, LED forward voltage, LED reverse breakdown voltage, and fast data transmission rate, it is the perfect choice for applications that require reliable and efficient signal transmission and protection.

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