FODM3083

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Optoisolators - Triac, SCR Output

A FODM3083 is a useful four terminal phototriac opt-isolator device which provides protective isolation and high-temperature operation from a single 5 VDC supply. Featuring a phototriac output, the FODM3083 is designed to work with triacs or SCRs. It enables phase control of power signals through opto-interfacing to a variety of devices, providing much needed isolation and isolating the opto-interface from line voltage. This makes the FODM3083 an ideal choice for a wide range of applications and industries.

Applications of FODM3083

The FODM3083 is used in many different applications where safety is of the utmost importance. It can be used to provide electrical isolation and reliable control in household appliances, such as refrigerators, washers, dryers, coffee makers, toasters, ovens, and other such ready-to-use products. It can be used for motor speed control in large machines like presses, printing mills, and elevators. It can also be used in medical and industrial equipment, like eye-examiners, laser machining, and instrument processing. In addition, it can be used in LED pattern controllers, digital pulse converters, and AMR systems.

Working Principle of FODM3083

The FODM3083 utilizes an electrical current through an LED coupled with a phototriac output. When the LED is activated, it emits a beam of light to photo-ionize and initiate a current path through the phototriac and on to its output. This enables it to provide both electrical isolation and a load that can be reliably controlled. The FODM3083 has two integrated features that allow it to operate in most switching systems with minimum component count. These features, known as zero-cross triggering and over-temperature protection, allow it to switch quickly and accurately, ensuring that any load interfaced with the FODM3083 is safely operated.

The FODM3083 is provided in a miniature 4-pin plastic DIP package with an integrated LED and phototriac. It has direct replacement capability in the market with freedom from interference, high-temperature stability and high current capability. Its four terminals allow for easy and safe connections with the output being an isolated phototriac. Its minimum operating voltage of 5 Volts DC makes it ideal for low voltage applications. Finally, the FODM3083 features an optically coupled isolation barrier which allows for up to 7 kV rms of input electrical isolation for short duration voltage spikes.

Conclusion

The FODM3083 opto-isolator is one of the most reliable and versatile opto-isolators available. It can provide electrical isolation and reliable control in numerous applications and industries, including household appliances, motor speed control machines, medical and industrial equipment, and LED pattern controllers. It operates with a 5 Volt DC supply and offers optically coupled isolation barrier for up to 7 kV rms of input electrical isolation. Its two integrated features, zero-cross triggering and over-temperature protection, make it an ideal choice for many applications.

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