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TLP350
+Lista de MateriaisLogic Output Optocouplers
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FabricanteToshibaCity name (optional, probably does not need a translation)
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Peça do Fabricante #TLP350
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Especificações
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Visão Geral
Description
The TLP350 is built with a GaAlAs infrared LED on the input side and a photodetector on the output side, which typically includes a photodiode and a high-speed transistor. This setup allows the TLP350 to achieve quick response times, making it suitable for driving IGBTs and power MOSFETs in switching applications.
Key features of the TLP350 include its high isolation voltage (typically 5000 Vrms), low input current requirement, and high output current capability. It also boasts a compact DIP package, making it easy to integrate into various circuit designs. The TLP350 enhances system safety and reliability by preventing electrical noise and surges from damaging sensitive components.
Equivalent
1. Avago/Broadcom ACPL-331J
2. Vishay VOW3120
3. Renesas PS9307
4. Fairchild/ON Semiconductor FOD3182
5. Sharp PC923
These alternatives provide similar functionality, such as isolation and high-speed operation, and are often used in similar applications like inverter circuits and motor drives. Always verify specific requirements like input-output isolation voltage and propagation delay for compatibility.
Features
1. Isolation Voltage: It provides a high isolation voltage of 3750 Vrms, ensuring safety and reliability in high-voltage applications.
2. Compact Package: Available in a DIP8 or SO8L package, making it suitable for space-constrained designs.
3. High-Speed Performance: Capable of fast switching with a high-speed response, which helps in reducing power loss and improving system efficiency.
4. Output Current: Offers a peak output current capability of around 2.5 A, sufficient for driving various power semiconductor devices.
5. Supply Voltage: Operates with a wide supply voltage range, typically from 15 V to 30 V.
6. Built-in Protection: Includes features like under-voltage lockout (UVLO) to protect power devices during start-up and fault conditions.
These features make the TLP350 suitable for applications in industrial inverters, motor drives, and other high-power electronic systems, where reliable isolation and efficient gate driving are critical.
Pinout
1. Pin 1 (Anode): This is the anode of the input LED. It receives the input control signal.
2. Pin 2 (Cathode): This is the cathode of the input LED and is connected to the ground of the input signal.
3. Pin 3 (NC - No Connect): This pin is usually not connected internally.
4. Pin 4 (GND): Ground pin for the output side, common ground reference for the output driver.
5. Pin 5 (Vout): Output pin. It delivers the driving signal to the gate of the MOSFET or IGBT.
6. Pin 6 (Vcc): Supply voltage for the output side, typically connected to a positive voltage source.
7. Pin 7 (NC - No Connect): This pin is usually not connected internally.
8. Pin 8 (VEE): Negative supply voltage for the output side or can be connected to the ground reference.
The TLP350 is commonly used in applications requiring high-speed switching and electrical isolation between low-power control signals and high-power devices.
Manufacturer
Application
1. Inverter Circuits: Used for driving power transistors in inverters, providing isolation between control and power sections.
2. Motor Drives: Helps in isolating the control signals in motor drive applications.
3. Switching Power Supplies: Assists in isolating switch drivers from the power supply.
4. Industrial Equipment: Provides signal isolation in various industrial automation equipment.
5. Consumer Electronics: Used in devices requiring isolated data transmission or signal processing.
Its ability to handle high output currents and operate at high frequencies makes it suitable for these applications.