PS9513L3-E3-AX

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Optoisolators are a type of electrical isolation device which provide a reliable, compact and inexpensive interface between incompatible electronic circuits from two different physical domains.

The PS9513L3-E3-AX optoisolators are logic output devices and can be used to isolate a logic signal. It is optimized to drive TTL loads and is designed to optically isolate a logic signal flowing from an input device, such as a logic driver, to an output device such as a logic gate. It ensures electrical isolation between two modules with different supply voltages, and prevents ground loops.

Application Field

The application field of PS9513L3-E3-AX optoisolators include computers, monitors, modems, sound cards, communication equipment, automotive systems, UPS power supplies, as well as other voltage level shifting and signal isolation applications.

PS9513L3-E3-AX optoisolators can be used as a method to protect the user from high voltages, by separating high voltage components from the low voltage components in a system. It can also be used to prevent signal interference between two circuits by increasing the insulation distance between the two circuits. Additionally it can be used in data transmission and reception applications, that can be used to provide isolation between the transmitting and receiving circuit.

Working Principle

The working principle of PS9513L3-E3-AX optoisolator is based on the theory of optical isolation. It works by using an infrared light emitting diode (LED) to send a light signal to a phototransistor, which detects the light signal and then switches the output of the optoisolator to an “on” or “off” state when it receives the signal.

The LED emits infrared radiation when a nominal amount of current is supplied to it. The phototransistor absorbs the infrared radiation and generates a small electrical current. When that electrical current is large enough, it triggers the transistor to switch on and off, thus controlling the output signal.

The LED and phototransistor inside the PS9513L3-E3-AX optoisolator are arranged so that the LED is able to direct a beam of light onto the phototransistor’s sensitive area. When the LED is energized, the beam of light will activate the phototransistor, and the logic signal will be converted from a logic “0” to a logic “1” or vice versa.

The advantage of using optoisolators is that they can provide electrical isolation between the input and output circuitry, as well as signal isolation, which is important for data transmission and reception. They also offer protection against short circuits, lightning and ESD not available with other isolation methods.

The PS9513L3-E3-AX optoisolator is ideal for applications that require isolation between two circuits, such as voltage level shifting, signal isolation, and data transmission. It is an extremely reliable and inexpensive solution for such applications.

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