LTV-354T

The LTV-354T from Lite-On is a compact, high-performance optocoupler designed for various applications requiring electrical isolation between input and output circuits. This device features a phototransistor output, which allows it to effectively transmit signals while maintaining a high degree of isolation, typically rated at 5,000 volts.

Key Features:

1. Construction: The LTV-354T is housed in a standard 4-pin DIP (Dual In-line Package) form factor, making it easy to integrate into various circuit designs. The package is designed for surface mount technology (SMT), ensuring a low profile and efficient use of board space.

2. Input and Output: The input side consists of an infrared LED, which, when activated by an input signal, emits light. This light is detected by the phototransistor on the output side, allowing for the transmission of the input signal across the isolation barrier.

3. Electrical Characteristics: The device typically operates with a forward current of around 10 mA for the LED, and the phototransistor can handle collector currents up to 50 mA. The output voltage can reach up to 30 V, making it suitable for interfacing with various digital logic levels.

4. Isolation Voltage: With a high isolation voltage rating, the LTV-354T is ideal for applications where safety and signal integrity are paramount, such as in power supplies, industrial automation, and communication systems.

5. Speed and Response Time: The optocoupler is designed for fast switching speeds, with a rise time of approximately 5 µs and a fall time of around 5 µs, making it suitable for high-speed data transmission applications.

6. Temperature Range: The device operates effectively over a wide temperature range, typically from -40°C to +85°C, ensuring reliability in various environmental conditions.

7. Applications: Common applications for the LTV-354T include signal isolation in microcontroller interfacing, data communication, and feedback circuits in power electronics. Its ability to provide electrical isolation while allowing for signal transmission makes it a versatile component in many electronic designs.

Overall, the LTV-354T from Lite-On is a reliable and efficient optocoupler that combines high isolation, compact design, and fast response times, making it a popular choice for engineers and designers in the electronics industry.