TLP291(GB,SE

Part points

• The TLP291 is an optocoupler with both GB (Gate Buffer) and SE (Schmitt Trigger) functionality. It's commonly used in applications requiring signal isolation and level shifting, especially in digital circuits. The GB feature helps in driving MOSFET gates, while the SE functionality provides noise immunity and signal conditioning.

• Equivalent

  The TLP291 is a phototransistor optocoupler. Equivalent products include PC817, 4N25, and SFH610A. These optocouplers offer similar functionality for applications requiring isolation and signal transmission.

• Features

  The TLP291(GB,SE) is a photocoupler with features including high isolation voltage (5000Vrms), high-speed switching (tr = 3 µs, tf = 5 µs), and guaranteed performance over industrial temperature ranges (-40°C to 100°C). It is suitable for applications such as programmable logic controllers, inverters, and IGBT/MOSFET gate drives.

• Pinout

  The TLP291(GB,SE) optocoupler has 4 pins. Pin 1 is the anode of the infrared LED, pin 2 is the cathode of the LED, pin 3 is the collector of the phototransistor, and pin 4 is the emitter of the phototransistor. It provides electrical isolation and signal transmission between input and output circuits.

• Application Field

  The TLP291 is a photocoupler used in various applications such as isolated switching power supplies, motor controls, and industrial automation. Its key features include high isolation voltage, high-speed switching, and compact size, making it suitable for use in diverse electronic circuits requiring isolation between input and output signals.

• Package

  The TLP291(GB,SE) chip is a photocoupler/optocoupler. Its package type is SOP4. The form is surface mount. The size dimensions typically include a length of 4.4mm, a width of 3.6mm, and a height of 2.1mm.