The LTV-356 is a high-isolation voltage optocoupler manufactured by Lite-On Inc. It consists of an infrared light-emitting diode (LED) optically coupled to a phototransistor. This device is designed to provide electrical isolation between input and output circuits, making it suitable for applications requiring safety isolation or noise immunity.

Applications

• Power Supplies: Used for feedback control in switching power supplies, providing isolation between the primary and secondary sides.
• Motor Control: Employed in motor control circuits to isolate the control signals from the power circuitry.
• Industrial Control Systems: Integrated into industrial control systems for isolating input/output signals and protecting sensitive components.
• Telecommunications Equipment: Used in telecommunications equipment for isolating data and control signals.
• Medical Equipment: Employed in medical devices to provide patient safety by isolating sensitive electronic circuits.

Features

• High Isolation Voltage: Provides high isolation voltage between input and output circuits, ensuring safety and preventing ground loops.
• Current Transfer Ratio (CTR): Offers a specified current transfer ratio for efficient signal transmission.
• Compact Package: Available in a small package, suitable for space-constrained applications.
• High Collector-Emitter Voltage: Features a high collector-emitter voltage rating.
• RoHS Compliant: Compliant with RoHS directives, ensuring environmental safety.

Benefits

• Electrical Isolation: Provides electrical isolation to prevent ground loops and protect sensitive circuitry.
• Noise Immunity: Offers noise immunity by isolating noisy circuits from sensitive signal paths.
• Safety: Enhances safety by isolating high-voltage circuits from user interfaces.
• Reliable Performance: Ensures reliable signal transmission with a stable current transfer ratio.
• Compact Design: Space-saving package allows for integration into small electronic devices.

Additional Details

The LTV-356 is typically available in a DIP or SMD package. It requires an input current to activate the LED and a collector-emitter voltage for the phototransistor. Detailed electrical characteristics, application circuits, and pin configurations can be found in the device datasheet.