TLP268J

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TLP268J

+BOM

Triac & SCR Output Optocouplers

  • ManufacturerToshiba

  • Mfr. Part #TLP268J

  • In Stock6235

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Specifications

Attribute Value

Overview

Description

The TLP268J is a phototransistor photocoupler, designed to offer reliable isolation between an input and an output circuit. It consists of a GaAs infrared LED that is optically coupled to a phototransistor. This setup facilitates signal transmission between two electrically isolated components, making it ideal for applications requiring high isolation voltage, such as power supply circuits and microprocessor interfaces.
The device is housed in a compact 4-pin DIP package, which is suitable for both through-hole and surface mounting. It typically features a high current transfer ratio (CTR), ensuring efficient signal coupling and low input current requirements. The TLP268J is commonly used in switching power supplies, programmable controllers, and other industrial equipment. Its design ensures reliable performance over a wide range of operating temperatures. Additionally, it provides protection against electrical noise and voltage spikes, enhancing the safety and longevity of electronic systems. Overall, the TLP268J is valued for its compact size, reliability, and effective isolation capabilities.

Equivalent

The TLP268J is a photocoupler designed for IGBT gate driving. Equivalent products include:
1. Broadcom ACPL-P341
2. Avago ACPL-332J
3. Renesas PS9308
4. Vishay VOW3120
5. ON Semiconductor FOD8316
These alternatives offer similar functionality but check specific requirements such as isolation voltage, data rate, and package type to ensure compatibility with your application.

Features

The TLP268J is a photocoupler designed for isolating electronic circuits. Key features include:
1. Isolation Voltage: It offers a high isolation voltage of 5000 Vrms, ensuring effective separation between input and output circuits.

2. High-Speed Operation: The TLP268J supports high-speed data transmission with a maximum data rate of 10 Mbps, making it suitable for fast communication applications.
3. Compact Package: It comes in a compact SO6L package, which is beneficial for space-constrained applications.
4. Wide Operating Temperature Range: The device functions efficiently over a wide temperature range from -40°C to 110°C, allowing for usage in various environmental conditions.
5. Low Input-Current Drive: It requires a low input current, which enhances energy efficiency.
6. Compliance: The TLP268J meets various international safety standards, ensuring reliability and safety in operation.
7. Applications: It's commonly used in applications such as industrial control devices, inverter circuits, and communication interfaces, where noise isolation and signal integrity are crucial.
These features make the TLP268J a versatile component for various electronic systems requiring isolation and high-speed data transfer.

Pinout

The TLP268J is a photocoupler or optocoupler manufactured by Toshiba. It typically has an 8-pin DIP (Dual Inline Package) configuration. This device is designed to transfer electrical signals using light waves to provide electrical isolation between its input and output. The main function of the TLP268J is to isolate different sections of a circuit to prevent noise and fluctuations from being transmitted, enhancing safety and signal integrity.
Key features include:
1. Input Side:
- Pins for LED: Used for the input signal
- LED can be driven by a digital signal.
2. Output Side:
- Photodetector IC: Converts light back into an electrical signal.
- Capable of driving gate inputs of IGBTs and MOSFETs.
3. Isolation:
- Provides electrical isolation between the input and output.
- High common mode transient immunity.
4. Applications:
- Suitable for driving power transistors in inverters, AC and brushless DC motor drives, uninterruptible power supplies (UPS), and induction heating systems.
This makes the TLP268J suitable for applications requiring secure isolation and efficient signal transmission.

Manufacturer

The TLP268J is manufactured by Toshiba Electronic Devices & Storage Corporation. This company is a part of the larger Toshiba Corporation, which is a Japanese multinational conglomerate. Toshiba Electronic Devices & Storage Corporation specializes in the development and production of electronic components, including semiconductors, storage products, and other electronic devices. The TLP268J itself is an optoisolator or photocoupler, which is used in electronic circuits to transfer electrical signals with a high degree of isolation between input and output.

Application

The TLP268J is an optoisolator, also known as an optocoupler, which is primarily used for electrical isolation between different parts of a circuit. Application areas include:
1. Signal Isolation: Provides isolation for digital and analog signals, protecting them from high-voltage transients.
2. Switching Power Supplies: Used for feedback and control in switch mode power supplies.
3. Microcontroller Interfaces: Isolates microcontrollers from higher voltage systems.
4. Industrial Automation: Ensures safe data communication between sensors and control systems.
5. Inverter Circuits: Used in motor control and photovoltaic inverters for safe operation.
6. Telecommunications: Provides isolation in communication equipment to prevent ground loops.
These applications exploit the TLP268J’s ability to provide reliable and efficient electrical isolation.

Package

The TLP268J is an optoisolator with a DIP-8 (Dual Inline Package) type. This package typically includes eight pins and is commonly used for isolating different sections of a circuit for safety and performance reasons.

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