IS181GB Isolators

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Optoisolators are components that can electrically isolate two parts of a circuit. An optoisolator consists of an LED or IRED (infrared emitting diode) coupled with a photovoltaic cell. Therefore, the optoisolator acts as a digital switch or logic gate. The IS181GB is a single-channel optoisolator, designed to provide electrical isolation between a photovoltaic output and a transistor.

The IS181GB\'s photovoltaic output produces a timed current pulse that is also known as a pulse train. This pulse train is used to drive a transistor, such as an NPN transistor, for a load driving application like light bulb, motor, or solenoid. This is possible because the LED inside the optoisolator converts from a digital input signal to an electrical output current pulse. The LED is surrounded by a photodiode, which is connected to the base of the transistor. When the current pulse is applied, the voltage across the transistor\'s base rises, allowing current to flow through the collector and emitter of the transistor. This in turn causes the load to be driven.

The IS181GB has a few important features that make it a beneficial device for a variety of applications. One such feature is the high isolation voltage which is greater than 1000V RMS. This makes it ideal for applications that require reliable electrical isolation. Additionally, the optoisolator also has a wide operating temperature range and is well-suited for both low-voltage and high-voltage applications. It also has a low power consumption, fast response time, and high reliability.

The IS181GB is an excellent solution for a wide variety of applications. It can be used for dc-to-dc conversion, motor control, and current sensor applications. The optoisolator is ideal for any load driving application, such as security systems, automation systems, safety systems, and medical systems. In addition, it can also be used in lighting control systems, where it is used to bridge the gap between a digital input signal and a load. The IS181GB is a versatile and reliable optoisolator that can meet the requirements of many applications.

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