TLP350

The TLP350 is an optocoupler (also known as an opto-isolator) that provides electrical isolation between different parts of a system while allowing signal transmission. Here’s a detailed description:

• Type: Optocoupler (Opto-Isolator).
• Components: Contains a light-emitting diode (LED) and a phototransistor within a single package. The LED transmits light to the phototransistor, providing isolation between input and output.
• Isolation Voltage: Provides a high level of isolation between the input and output, with a maximum isolation voltage of 5,000 VRMS (volts root mean square), ensuring safety and protection against high-voltage transients.
• Current Transfer Ratio (CTR): The TLP350 has a typical CTR of 50% to 600% at a specified input current, which indicates the efficiency of the light-to-current conversion and the strength of the signal transmission.
• Input Current: Designed for operation with an input current typically around 10 mA, which can be adjusted based on the specific application needs.
• Output Characteristics: The output transistor can handle collector-emitter voltages up to 50V and continuous collector currents up to 50 mA.
• Package: Available in a 4-pin DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package, making it suitable for various PCB designs and mounting options.
• Applications: Commonly used in digital signal isolation, switching power supplies, microcontroller interfacing, and communication systems to separate high-voltage and low-voltage sections of electronic systems.

The TLP350 is designed to provide reliable electrical isolation while allowing signal transmission, making it suitable for applications where protecting sensitive components from high-voltage transients is crucial.