PS2561DL-1Y-Q-A

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Optoisolators are optoelectronic devices used to electrically isolate two parts of an electronic system from each other. They use light to transmit data between the two parts and eliminate the need for physical contact between them. The PS2561DL-1Y-Q-A is a specific type of optoisolator that uses a transistor photovoltaic output.

The PS2561DL-1Y-Q-A is a transistor output optoisolator with a low output current of 0.5mA. It provides high noise immunity and low propagation delay. It has a built-in integrated circuit (IC) that is capable of high isolation voltage of 2500 Volts. It is available in a compact three-channel hermetic package which is suitable for use in high temperature and harsh environments.

The application field of the PS2561DL-1Y-Q-A includes power electronics, telecommunication systems, industrial control systems, and automotive electronics. It is used to isolate input signals and protect the output circuit from noise, surges, and overloads. It can also eliminate electrical disturbances in safety and measurement circuits.

The PS2561DL-1Y-Q-A is composed of a transistor input and an integrated optically isolated Darlington output stage. The input stage receives a signal from the external circuit, amplifies it, and triggers the output transistor. The transistor is driven by a surface-emitting gallium arsenide infrared LED, which in turn triggers the Darlington output stage. The output stage then drives the external circuit.

The main working principle of the PS2561DL-1Y-Q-A is based on the transmission of a signal via light. The LED emits infrared light at a frequency that is determined by the electrical signal received from the input stage. This light is reflected through the output stage and then converted back into an electrical signal. This signal is then used to drive the external circuit.

As an optoisolator, the PS2561DL-1Y-Q-A acts as an electrical barrier between two circuits while providing high isolation voltage of 2500 volts. It is ideal for use in applications where noise, surges, and overloads are a problem, as it offers effective protection against these elements. It is also highly reliable and provides low propagation delay. Its small size and hermetic package allow it to be used in demanding conditions.

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