EL2631S1(TA)-V

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Optoisolators - Logic Output are widely used in many electronic systems due to their safety and reliability characteristics. The EL2631S1(TA)-V, one type of these devices, belongs to the category. It is a CMVS (low voltage analogue optocoupler with integral driver) that provides electrical isolation in an ultra-small package size.

EL2631S1(TA)-V Features

The EL2631S1(TA)-V is an advanced optoisolator circuit in the ultra-small SOT-23 surface mount plastic package. It uses an photo IC and an integrated MOS driver. It has the following features:

• Low Voltage Operation. The EL2631S1(TA)-V operates at a supply voltage of 5V to 8V.
• High speed switching. The device can switch up to 10mS, providing fast and reliable operation.
• Response time. The device can respond to an input signal in 1µS or less.
• High Output Drive. The EL2631S1(TA)-V is capable of driving up to 16mA.
• Isolation Voltage. The isolation voltage of the EL2631S1(TA)-V can be up to 1000VDC.
• Accuracy. The EL2631S1(TA)-V has an output accuracy of ±3%.

The EL2631S1(TA)-V is designed to provide a reliable and economical solution for opto-isolated digital logic applications. Its tight control over the temperature drift of the output characteristics makes it suitable for fast response digital logic applications, which require precise control over the output.

EL2631S1(TA)-V Application Field and Working Principle

The EL2631S1(TA)-V is suitable for isolated digital logic applications, such as process control systems, electrical testing instrumentation, medical instrumentation, industrial automation systems, and so on. Its ultra-small package size and low voltage operating range also make it ideal for applications where mounting space and power efficiency are important.

The EL2631S1(TA)-V works by using an LED coupled to a MOSFET in a bidirectional configuration to interface optically between a digital logic signal and a power load. The LED is biased by an internal current source and turns on when the input voltage is greater than the LED\'s turn-on threshold voltage. This causes the MOSFET to turn on and supplies current to the load. When the input voltage drops below the LED\'s turn-off threshold voltage, the MOSFET will turn off and the load current will be interrupted.

The EL2631S1(TA)-V has a noise rejecting input which reduces false triggering due to noise. It also has a thermal shutdown function which ensures it stays within its safe operating range. The device can operate in either the forward or backward direction depending on the user\'s needs. As the LED light output is dependent on the LED drive current, the EL2631S1(TA)-V can be used in applications where a high input-to-output power efficiency is desirable.

The typical applications of the EL2631S1(TA)-V include LED lighting/LED control, bar code reader control, air conditioner control, printer/scanner control, servo motor speed control, DC motor speed control, driver electronics among others.

Conclusion

The EL2631S1(TA)-V is a reliable optoisolator with a wide application field. It is a low voltage old-style analogue optocoupler device with advanced features such as high speed switching, high output drive, shut down protection and noise rejecting input. This makes the EL2631S1(TA)-V an ideal device in applications requiring electrical isolation and precise control over the output.

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