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Optoisolators - Logic Output

PS9124-V-F3-AX Application Field and Working Principle

Optoisolators are electrical isolation components that are used to transmit signals between two circuits while keeping them electrically separate. The PS9124-V-F3-AX is a type of optoisolator, specifically a logic output optoisolator. It can be used in a variety of different applications from high speed automotive data buses to general logic level signalling.

The PS9124-V-F3-AX is a 3-pin logic output optoisolator that consists of an infrared LED optically coupled to a phototransistor. It provides isolation of up to 1500 Vrms between input and output. The PS9124-V-F3-AX is a single channel optoisolator, so it requires only one input and one output pin. The maximum isolation voltage makes it suitable for use in high voltage applications.

The working principle of the PS9124-V-F3-AX is based on the concept of optoelectronic isolation. When an electrical signal is applied to the input, the LED is illuminated, which causes the phototransistor to conduct current. This current is used to switch the logic output, thereby providing electrical isolation between the input and output.

The logic output of the PS9124-V-F3-AX is open drain and can sink or source current. This makes it suitable for a wide range of applications, from general digital logic to power management. The PS9124-V-F3-AX also has a wide operating temperature range of -55°C to 105°C, making it suitable for use in extreme environments. In addition, the optoisolator has a response time of 15 ns, allowing it to accurately switch high-speed digital signals.

The PS9124-V-F3-AX can be used in a variety of applications, including automotive data buses, office automation systems, test and measurement systems, industrial controllers and power management. It can also be used for isolated controls, logic-level sensing, level shifting, serial data communication and high speed switching.

In conclusion, the PS9124-V-F3-AX is a 3-pin logic output optoisolator ideal for a variety of applications. It features high isolation voltage and wide operating temperature range, making it suitable for a large variety of applications, from automotive data buses to high speed digital logic.

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