ELM3063(TA)-V

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Optoisolators - Triac, SCR Output

ELM3063(TA)-V is a Triac output optoisolator which provides electrical isolation between input gate control, AC signals and output load. It provides a high degree of isolation, while its low input voltage trigger sensitivity makes it suitable for a wide variety of applications. This optoisolator consists of an infra-red emitting diode that is optically coupled to a sensitive gate Triac, housed in a four-pin through-hole package. The high switching speed makes this optoisolator an ideal choice for applications requiring high speed switching.

Working Principle

The working principle of the ELM3063(TA)-V optoisolator is based on optical coupling between the infra-red emitting diode and the sensitive gate Triac. The sensitive gate Triac controls the flow of current in the output load by switching on the electrical circuit based on the input signal. The infra-red diode is driven by a current source, which drives the LED in the input side, allowing optical discontinuity between the input and the output side. The current generated from the input side is detected by the Triac and the output current is triggered in response to the input current, allowing the input gate control signal to switch the output load without any electrical connection between the two.

Application Field

The ELM3063(TA)-V optoisolator is used in a variety of applications, including switch mode and lighting ballast control, power surge protection, motor driver switching, and switching of lighting systems. It can be used as a driver for thyristors or triacs, which are found in industrial and automotive systems. The optoisolator is also widely used in security systems, heating systems, and power supplies. The device can switch on and off AC line-voltage circuits with an input current as low as 10mA. Its wide operating temperature range of -40 to +125°C makes it suitable for use in harsh industrial and outdoor environments.

Conclusion

ELM3063(TA)-V optoisolator is a great option for applications that require electrical isolation and high speed switching. It features an infra-red emitting diode that is optically coupled to a sensitive gate Triac, and can switch on and off AC line-voltage circuits with an input current as low as 10mA. In addition, its wide operating temperature range and low input voltage trigger sensitivity makes this optoisolator suitable for a wide range of applications, including switch mode and lighting ballast control, power surge protection, motor driver switching, and heating systems.

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