Hello, Welcome to Dasenic

LITEON Technology LTV-827S Environmental and export classification status description

The LTV-827S is a high-performance optoisolator (also known as an optocoupler) manufactured by Lite-On Technology. It is designed to provide electrical isolation between input and output while transferring signals. It uses a light-emitting diode (LED) and a photodetector to achieve this isolation. Functions 1. Signal Isolation: Provides electrical isolation between the input and output, preventing high voltages from affecting the output side. 2. Data Transmission: Allows for the transmission of digital signals with minimal loss, making it suitable for various data communication applications. 3. Voltage and Current Control: Can handle signals of different voltage levels without direct electrical connections. 4. Noise Immunity: Helps in eliminating noise and provides protection against voltage spikes. Applications 1. Microcontroller Interfacing: Commonly used to interface low-voltage microcontrollers with high-voltage systems. 2. Switching Power Supplies: Employed in feedback circuits of switching power supplies for voltage regulation. 3. Data Communication: Used in communication lines to ensure isolation from ground loops and other disturbances. 4. Industrial Automation: Facilitates communication between control circuits and power circuits in industrial settings. 5. Signal Isolation in Consumer Electronics: Used in printers, audio devices, and other consumer products to isolate sensitive components. Alternative Parts 1. H11B1: Another optoisolator with similar characteristics and specifications. 2. TLP-123: A Toshiba optoisolator that offers comparable voltage and current handling capabilities. 3. MOC3063: A phototransistor optoisolator suitable for similar applications. 4. HCPL-2630: An optoisolator with high-speed switching capabilities for data communication. Embedded Modules 1. Opto Module Development Boards: Various development boards incorporate optoisolators for prototyping and testing. 2. Isolation Boards: Designs that utilize multiple LTV-827S components for increased isolation and signal integrity. 3. Communication Interfaces: Modules that combine multiple isolators for serial communication applications. Related Q&A Q1: What is the maximum isolation voltage rating of the LTV-827S? A1: The LTV-827S typically has an isolation voltage rating of around 5000 VRMS, providing substantial isolation between the input and output. Q2: Can the LTV-827S be used in high-frequency applications? A2: Yes, the LTV-827S is designed for data communication applications and can handle frequencies up to several kilohertz, making it suitable for many high-frequency applications. Q3: What are the typical input and output current specifications for the LTV-827S? A3: The average input current for the LED typically ranges from 5 mA to 20 mA, while the output phototransistor can handle collector currents up to 50 mA. Q4: How does the LTV-827S help in noise reduction? A4: By providing electrical isolation and blocking common-mode noise, the LTV-827S reduces the influence of electrical noise from power lines or other circuitry on sensitive signal lines. Q5: What are some key parameters to consider when replacing the LTV-827S with an alternative part? A5: When selecting an alternative, consider the isolation voltage, input and output current ratings, switching speed, and overall package type to ensure compatibility with the intended application.