TLP2358(TPR,E)

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Optoisolators, more popularly known as optocouplers, are devices that use light transfer to insulate two separate electrical systems from one another. While there are many kinds of optoisolators, logic output optoisolators are those whose output can be used as a logic signal for driving logic devices. One such example is the TLP2358(TPR,E), which will be described in detail below.

Application Field

The TLP2358(TPR,E) is a photocoupler that enables photoelectric isolation between logic circuits, where data or control signals are logic levels such as TTL, etc. The TLP2358(TPR,E) is designed to have a LED that turns on when the logic input voltage exceeds a certain threshold, which then illuminates the optical output circuitry, thus providing isolation between the two circuits. As its output is a logic voltage level, the TLP2358(TPR,E) can be used in situations where data must be sent between two circuits, but must be electrically isolated. This is often found in high-reliability systems such as medical equipment, automotive electronics, and factory automation.

Working Principle

The TLP2358(TPR,E) features three main components: an input LED diode, an optical output diode IC, and a grounded baseplate. The structure of the device is such that when a logic input voltage is applied to the LED diode, current passes through the diode, turning the diode on, and then producing light. This light is then received by the output IC, which in turn causes the output voltage on it to change and produce a logic voltage level.

The TLP2358(TPR,E) has several advantages over other optocoupler types, including high safety, high reliability, and immunity to interference from electromagnetic fields. Additionally, the TLP2358(TPR,E) has good noise immunity and optical coupling with a wide dynamic range. The TLP2358(TPR,E) is also more efficient than other optocouplers, due to the efficient use of electricity and the fact that it does not require an output capacitor.

Conclusion

Overall, the TLP2358(TPR,E) is an excellent choice for applications requiring logic output optoisolators. It\'s relatively simple structure coupled with its high reliability and efficiency make it an ideal choice for applications where data needs to be transmitted between two isolated circuits. Additionally, the TLP2358(TPR,E) has excellent noise immunity and optical coupling with a wide dynamic range, making it suitable for use in more demanding applications.

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