FOD2743A

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 used to provide a degree of electrical isolation between sections of a circuit. The FOD2743A is an optoisolator in the transistor, photovoltaic output category. It has two sections – the phototransistor side and the photovoltaic side. The phototransistor side is light-activated electromagnetic radiation (EMR) from an LED connected in series, composed of two electrodes and a transistor. The transistor is configured to block current from passing through it in the absence of light and to allow current to pass through when exposed to light. The output of the transistor is then sent to the photovoltaic side, a photovoltaic diode integrated onto the same substrate.

The photovoltaic side converts light energy into electricity when exposed, providing an output that is proportional to the level of light stimulation. The diode is designed to provide an output current that increases as the light intensity on it increases, and thus, to be able to generate a voltage depending on the light intensity. It can also generate an amplified or linear current-voltage response using an external device. This device will typically be an amplifier, either discrete (AC or DC) or an integrated amplifier, or a transistor.

The FOD2743A is designed to allow a high level of insulation between the two sides, aiding in reducing the risk of electric shock and potentially mitigating against the propagation of electrical noise and data errors caused by electromagnetic interference (EMI). By keeping the light source (LED) and the photovoltaic enclosure separate, the FOD2743A can provide a degree of electrical insulation and signal transfer without physical contact between the two components, thus allowing for higher data transfer rates than comparable devices featuring just a transistor and photodiodes.

The FOD2743A is capable of a wide range of applications due to its versatile photovoltaic output. These applications include LED drivers, LED strips, power LEDs, power distribution and control, automotive lighting, lighting fixtures, and all sorts of power systems. The FOD2743A is capable of interfacing with any type of LED, and is capable of providing a significantly large-scale power control to its output. The FOD2743A also has a high surge current capability which can exceed 10,000mA, making it capable of operating with higher voltages than many other optoisolators.

To summarize, the FOD2743A is a transistor, photovoltaic output optoisolator. It is designed to allow a high level of electrical insulation between the phototransistor side and the photovoltaic side, providing reliable signal transfer with very low power consumption. It is capable of a variety of applications due to its versatile photovoltaic output, including LED drivers, LED strips, power LEDs, automotive lighting, lighting fixtures, and power systems. It has a high surge current capability that can exceed 10,000mA, enabling it to operate with higher voltages than the majority of optoisolators.

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