The TLP350(TP1 is a high-speed photocoupler manufactured by Toshiba Semiconductor and Storage. This device consists of a gallium arsenide (GaAs) infrared emitting diode optically coupled to a phototransistor. It is designed for applications requiring electrical isolation between the input and output circuits, such as inverters, AC/DC power supplies, and digital logic interfaces.

Applications

• Inverter control circuits
• AC/DC power supplies
• Digital logic interfaces
• Programmable controllers
• Motor control circuits

Features

• High isolation voltage: 5000 Vrms (min)
• High-speed switching: tr, tf = 0.8 μs (typ.)
• Low input current: IF = 5 mA (max)
• Wide operating temperature range: -55°C to 100°C
• UL recognized: UL1577
• CSA approved
• VDE approved

Benefits

• Provides electrical isolation between input and output.
• Enables high-speed data transmission.
• Reduces power consumption.
• Ensures reliable operation over a wide temperature range.
• Meets stringent safety standards.

Additional Details

The TLP350(TP1 offers a high isolation voltage of 5000 Vrms, providing excellent electrical isolation between the input and output circuits. Its high-speed switching characteristics make it suitable for applications requiring fast data transmission. The low input current reduces power consumption and simplifies the design of the input drive circuitry. The wide operating temperature range ensures reliable operation in harsh environments.

Operational Details: When current flows through the input LED, it emits infrared light, which is detected by the phototransistor. The phototransistor then conducts current, turning on the output circuit. The amount of current flowing through the phototransistor is proportional to the amount of current flowing through the LED. By varying the current through the LED, the output can be controlled.

Safety Approvals: The TLP350(TP1 is UL recognized, CSA approved, and VDE approved, ensuring that it meets stringent safety standards. These approvals are essential for applications requiring compliance with safety regulations.

Package Information: The TLP350(TP1 is available in a DIP package, which allows for easy through-hole mounting. The package is designed to provide good thermal performance, allowing the device to dissipate heat effectively.