PHOTOCOUPLER AND LIGHT EMITTING ELEMENT

摘要

According to one embodiment, a photocoupler includes: an input terminal; a light emitting unit; a light receiving unit and an output terminal. An input electrical signal having a prescribed voltage is input into an input terminal. The light emitting unit is connected to the input terminal, includes a light emitting element configured to emit emission light, and is configured to drive the light emitting element under a constant voltage of the input electrical signal. The light receiving unit includes a light receiving element configured to receive the emission light and convert the emission light into an electrical signal. The output terminal is insulated from the input terminal and configured to output the electrical signal in accordance with the input electrical signal.

主权项

1. A photocoupler comprising:
an input terminal to which an input electrical signal having a prescribed voltage is input; a light emitting unit connected to the input terminal, including a light emitting element configured to emit emission light, and configured to drive the light emitting element under a constant voltage of the input electrical signal; a light receiving unit including a light receiving element configured to receive the emission light and convert the emission light into an electrical signal; and an output terminal insulated from the input terminal and configured to output the electrical signal in accordance with the input electrical signal.