OLS2449

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optoisolators are electronic components which use a light-emitting diode (LED) to isolate a high-voltage circuit from a low-voltage one. The name optoisolator is derived from optical isolation, which is the process of using light waves to keep two systems electrically isolated from each other. Optoisolators come in several varieties, with the most common type being the transistor output. This type of optoisolator includes the OLS2449, which uses a photovoltaic output.

The OLS2449 is a three-terminal optoisolator in a single inline package (SIP). It consists of an input terminal, an output terminal, and an LED emitter. The input terminal receives a DC voltage, which is then converted into a light source by the LED. The LED emits a light signal, which is then detected by a photodiode located at the output terminal. When the voltage at the input terminal is outside the predetermined range, the output signal is activated, allowing electrical isolation between input and output signals.

The OLS2449 optoisolator can be used for a variety of applications, such as motor speed control, audio signal isolation, high voltage protection, and digital signaling. It is particularly useful for isolating sensitive electronic circuits from power surges and other transient voltage events. The device has low input current requirements, a high current transfer ratio, and a low on-state resistance. Therefore, it is able to provide reliable electrical isolation even under harsh conditions.

In addition to the OLS2449, there are other optoisolators that utilize photovoltaic output, such as the OLS2450. These devices are ideal for applications which require high-voltage isolation and dynamic control. For example, the OLS2450 can be used for digital and analog signal switching, as well as interfacing control logic for automated motor system control. Furthermore, these devices are also used for connecting microprocessor systems to AC power supplies.

The working principle of the OLS2449 is based on photon energy. When electricity from an input terminal passes through an LED, it is converted into a light source. This light source is then detected by a photodiode located at the output terminal. The photodiodes generate an electric current response, which is connected to the output terminal. When the input signal represents a voltage between pre-determined limits, the output terminal is activated.

The OLS2449 optoisolator is a popular and reliable device that is widely used in motor speed control, audio signal isolation, and digital signaling applications. It utilizes a photovoltaic output to provide electrical isolation between input and output signals. Its low input current requirement, high current transfer ratio, and low on-state resistance make it ideal for protecting sensitive electronic circuits from power surges and other transient voltage events.

The specific data is subject to PDF, and the above content is for reference