The TLP535 is a photocoupler from Toshiba Semiconductor and Storage. It consists of a gallium arsenide infrared emitting diode optically coupled to a silicon phototransistor. This device is designed for applications requiring electrical isolation between the input and output circuits.

Applications

  
• Programmable Logic Controllers (PLCs)
  
• Inverter control
  
• AC/DC power supplies
  
• Solid-state relays (SSRs)
  
• Factory automation equipment
  
• Measuring instruments

Features

  
• Single channel configuration
  
• High isolation voltage: 5000 Vrms (minimum)
  
• Collector-emitter voltage: 80 V (minimum)
  
• Current transfer ratio (CTR): 50% to 300%
  
• Operating temperature: -55°C to 100°C
  
• Lead-free construction
  
• RoHS compliant

Benefits

  
• Provides electrical isolation between input and output
  
• Enhances system safety by preventing ground loops and voltage transients
  
• Reduces noise and interference in sensitive circuits
  
• Improves reliability and lifespan of connected equipment
  
• Simplifies circuit design with its compact package
  
• Suitable for high-density mounting

Additional Details

The TLP535 is available in a 8-pin DIP (Dual In-Line Package). The input diode forward voltage is typically 1.25V, and the collector power dissipation is 125mW. It's important to consult the datasheet for detailed electrical characteristics, timing diagrams, and application notes to ensure proper usage in specific applications.  Its robust design ensures stable performance over a wide temperature range.  The high isolation voltage makes it suitable for applications where safety is a critical concern. It is designed to meet stringent safety standards.  Proper external components, such as current limiting resistors, are necessary for safe and reliable operation.