H11L1M_F132

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Optoisolators – Logic Output are typically used for digital applications requiring safety isolation. The H11L1M_F132 device belongs to this group, and features logic output, DC/DC input, and zero cross-detection. It provides reliable electrical isolation and low-voltage logic signal transmission between two isolated voltage sources.

Application Field

The H11L1M_F132 optoisolator is ideal for applications where galvanic insulation is necessary, such as motor control, power monitoring, and communications systems. It has operating voltage of 5.0V, peak output efficiency of 500Vrms, and a propagation delay of 0.7 µs typ. It can be used as a direct input signal level translator between different logic families such as LVCMOS and TTL. It can also be used to isolate high-voltage switching control signals from low-voltage logic control signals and protect equipment from severe transient events.

Working Principle

The H11L1M_F132 optoisolator features a high-impedance LED optically coupled to a bipolar phototransistor with logic level output, DC/DC input, and zero cross-detection. It uses a current-switching technique to produce a low steady-state current that masks out transient noise and significantly improves total propagation delay. This feature enables not only bidirectional low-power signal transfer but also efficient signal transmission.

The H11L1M_F132 optoisolator passes high-voltage switching signals and low-voltage logic signals at the same time and in isolation to provide reliable electrical isolation and low-voltage logic signal transmission between two isolated voltage sources. The optoisolator works by sensing its input voltage level and converting the input voltage to an electric current which in turn activates a light emitting diode (LED) inside the optoisolator housing. The LED, which is optically isolated from the output transistor, then lights emitting photons which are detected by a photodetector on the other side of the optoisolator, thus switching the output transistor on or off depending on the input voltage level.

The H11L1M_F132 optoisolator offers is high insulation rating, fast switching, and rugged construction. Its high insulation rating protects against potential short circuits or other dangerous conditions occurring in the power system. Its fast switching time provides accurate signal transmission and its rugged construction ensures its long-term reliability.

Conclusion

The H11L1M_F132 optoisolator is a reliable and cost-effective solution for applications requiring safety isolation and low-voltage logic signal transmission. It features zero cross-detection, high insulation rating, fast switching time, and rugged construction. Overall, the H11L1M_F132 is a great option for providing reliable electrical isolation in applications requiring galvanic barrier between input and output circuits.

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