TLP385(D4-TPL,E

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Optoisolators are electronic components used to provide electrical isolation between two parts of a circuit. Optoisolators can be composed of various components, with the most common being the Transistor-Photovoltaic Output (TPL), which includes the TLP385(D4). The TPL is composed of a photodiode that is combined with an output transistor. This type of optoisolator is used when a low-power signal needs to be transmitted between two parts of a circuit.

The TPL is designed to receive an input current from the first part of the circuit and generate a corresponding output voltage on the second part. This is accomplished by the photodiode, which acts as a light-sensitive switch. When light (usually infrared) is incident on the photodiode, it creates a current that is then sent to the output transistor. The output voltage is then created by the transistor, which amplifies the input current. The voltage that is produced is then used to control the second part of the circuit.

The TLP385(D4) is a commonly used type of TPL, and it is often used in industrial applications. It is designed to handle high voltage, and it also has good noise immunity, which makes it suitable for use in signal isolation. The TLP385(D4) features a photodiode with a capacitance of 250pF and a rise time of 40ns. The output transistor is a MOSFET with an on-resistance of only 15 ohms, which makes it capable of transmitting signals quickly and accurately. The operating temperature range for the TLP385(D4) is -40°C to 105°C.

The TLP385(D4) is often used in applications such as motor controls, lighting dimmers, and other industrial equipment where isolation is required. It can be used to isolate a low-power control signal while providing electrical isolation from the main power source. Additionally, it is often used in optical communication systems, such as those used in fiber-optic networks and satellite communications.

The TLP385(D4) is a reliable and cost-effective optoisolator that is suitable for a wide range of applications. It is designed to provide isolation between two parts of a circuit, while also transmitting a low-power control signal accurately and quickly. Due to its high-voltage performance and noise immunity, the TLP385(D4) is ideal for use in industrial equipment, optical communication systems, and other applications requiring signal isolation.

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