PS2561AL1-1-F3-H-A

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Optoisolators, also referred to as optocouplers or optical isolators, are electrical devices that use light as a link between two components to keep them isolated from each other and thereby prevent noise, voltage transients, and Ground loops from traveling between the two components. PS2561AL1-1-F3-H-A is an optoisolator that uses a transistor for its output.

The PS2561AL1-1-F3-H-A is a single-channel transistor output optoisolator with a single photovoltaic cell. This model is designed to provide electrical isolation between two circuits. The device is an input driven, open collector transistor output optoisolator with a single photovoltaic cell. This optoisolator features a 0.6V photocell voltage (VCE) and a maximum current-transfer-ratio (CTR) of 150%.

The typical application of PS2561AL1-1-F3-H-A includes switched-mode power supplies (SMPS), motor drives, industrial controls, lighting controllers, instrumentation, and automotive applications. This optoisolator is used in applications where fast switching speeds need to be achieved and high currents must be transferred without loss of isolation.

The working principle of the PS2561AL1-1-F3-H-A is relatively simple. It consists of an C-MOS input, a photovoltaic cell, an improved performance high efficiency E-MOS output, a Darlington transistor base and collector outputs. The optoisolator consists of an LED mounted in a transparent, molded plastic housing. The LED is connected to the C-MOS input, and the photovoltaic cell receives the light from the LED. The photovoltaic cell then converts the light into electrical energy, which is then transferred to the E-MOS output transistor, and the output of this optical isolation device delivers a clean open collector output signal.

In summary, the PS2561AL1-1-F3-H-A is an optoisolator with a single transistor output, allowing high currents to be transferred without loss of isolation. It is designed to provide electrical isolation between two circuits and is commonly used for switched-mode power supplies, motor drives, industrial controls, lighting controllers, instrumentation, and automotive applications. Its working principle is relatively simple and consists of an C-MOS input, a photovoltaic cell, an improved performance high efficiency E-MOS output, and a Darlington transistor base and collector outputs.

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