The TLP520-2 is a photocoupler (optocoupler) manufactured by TOSHIBA. Below are its key specifications, descriptions, and features:
Specifications:
- Type: Dual-channel photocoupler
- Input Type: Infrared LED
- Output Type: Phototransistor
- Isolation Voltage (Viso): 2500 Vrms (min)
- Collector-Emitter Voltage (VCEO): 55 V (max)
- Collector Current (IC): 50 mA (max)
- Current Transfer Ratio (CTR): 50% (min) at IF = 5 mA, VCE = 5 V
- Turn-On Time (ton): 3 μs (max)
- Turn-Off Time (toff): 4 μs (max)
- Operating Temperature Range: -55°C to +110°C
- Package: DIP-8
Descriptions:
- The TLP520-2 consists of two independent GaAs infrared LEDs optically coupled to two silicon phototransistors in a single package.
- It provides electrical isolation between input and output circuits, making it suitable for noise suppression and signal transmission in high-voltage environments.
- Commonly used in digital logic isolation, power supply feedback control, and industrial automation systems.
Features:
- Dual-channel isolation for compact circuit design.
- High isolation voltage (2500 Vrms) ensures safety in high-voltage applications.
- Fast response time (μs range) for efficient signal transmission.
- Wide operating temperature range for industrial use.
- Compliant with safety standards (UL, cUL, VDE).
For detailed electrical characteristics and application notes, refer to the official TOSHIBA datasheet.