HCPL-2411#300

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Optoisolators - Logic Output

Optoisolators are devices used to protect sensitive circuits from high voltage and current levels and are essential components of any electronic system. The HCPL-2411#300 is one such device. It is an 4-channel optically coupled isolator which features both photo detector input coupled with a constant current output stage. This optoisolator provides excellent high common-mode transient immunity and high current transfer ratio.

Application Field

The HCPL-2411#300 can be used in many types of applications such as motor control, signal/data transmission, HVAC control, automotive systems, remote power supply and industrial automation. This optoisolator is also suitable for use in low-power automotive equipment,  emergency lighting,  medical equipment and audio/visual equipment.

The HCPL-2411#300 can also be used in a variety of applications that require a low-level input to drive a high power output, such as interfacing between logic circuits and high power relay or linear circuits. This optoisolator is also well suited for transferring continuous and pulse signals, especially in applications with limited space. Its high common-mode transient immunity makes it an ideal choice for applications that suffer from noise disturbances such as automotive or railway applications.

Working Principle

The HCPL-2411#300 operates according to the principle of optical isolation. The optoisolator consists of an infrared LED (light-emitting diode) and a photo-transistor, both contained within a single package. When the LED is driven by an input loop, it emits infrared light. The photo-transistor then detects this infrared light and produces an output current. This output current can then be used to drive other components.

The optoisolator has the ability to both store and transfer information in the form of a high or low level signal. The signal is generated in the LED section of the optoisolator and is transferred across the isolation barrier via the photo-transistor. This bridges the gap between the input and output sections, allowing the circuit to remain isolated from the substrate.

The HCPL-2411#300 operates over a rated output current of 6 mA to 200 mA and a diode forward voltage of 1.5V to 3.6V. This optoisolator is capable of handling an isolated power of 2.5 W and a dielectric strength of 2000 volts. It is also capable of supplying high outputs with low input currents, making it an excellent choice for many applications.

Conclusion

The HCPL-2411#300 is an ideal optoisolator for many applications. It is capable of transferring signals in the form and can provide isolated power of up to 2.5W. It features excellent transient immunity and has a high current transfer ratio. This optoisolator is suitable for use in a wide range of applications and provides reliable performance in the presence of noise disturbances.

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