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TLP291GB

Name: TLP291GB
Rating: 4.7 (12 reviews)

Производитель
Мфр. Часть #TLP291GB
Пакет
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Спецификации

Manufacturer	TOSHIBA
Package	SO-4-2.6mm

Обзор

Description

The TLP291GB is an optoisolator (optocoupler) designed for signal isolation and communication in electronic circuits. It consists of a light-emitting diode (LED) and a phototransistor, allowing for electrical isolation between its input and output while enabling signal transmission. The device features a low input current requirement and can operate at a wide range of temperatures, making it suitable for various applications including industrial automation, consumer electronics, and telecommunications.
Key specifications include a maximum isolation voltage of 5000VRMS, with a fast switching speed and a compact package that facilitates integration into space-constrained designs. The TLP291GB is particularly known for its reliability and effectiveness in reducing noise and preventing signal interference in sensitive circuits. It is often used in applications requiring high-voltage isolation and in environments where safety and signal integrity are critical.

Features

The TLP291GB is an optoisolator that features a phototransistor output and a GaAs infrared LED input. Key features include:
1. Isolation Voltage: It offers high electrical isolation between input and output, typically rated at 5000 VRMS.
2. Input Current: The forward current for the LED is typically 20 mA, ensuring reliable operation.
3. High Speed: It supports fast switching times, making it suitable for high-speed applications.
4. Output Voltage: The output can handle a collector-emitter voltage of up to 30 V.
5. Package Type: Available in a DIP or surface-mount package, facilitating easy integration into various designs.
6. Temperature Range: Operates effectively within a temperature range of -40°C to +100°C.
7. Low Power Consumption: Designed for low power requirements, enhancing energy efficiency in applications.
These features make the TLP291GB ideal for signal isolation in digital and analog systems, protecting sensitive components from high voltages and noise.

Package

The TLP291GB is packaged in a 4-pin DIP (Dual In-line Package) format.

Pinout

The TLP291GB is an optocoupler with a total of 4 pins. Its pin configuration and functions are as follows:
- Pin 1 (Anode): Connects to the input LED's anode.
- Pin 2 (Cathode): Connects to the input LED's cathode.
- Pin 3 (Collector): Connects to the phototransistor's collector.
- Pin 4 (Emitter): Connects to the phototransistor's emitter.
The TLP291GB is designed to provide electrical isolation between its input and output, making it suitable for applications in switching power supplies, signal isolation, and interfacing between different voltage levels. It features a high-speed response time and a specified isolation voltage, ensuring reliable operation in various electronic circuits.

Manufacturer

The TLP291GB is manufactured by Toshiba Corporation, a multinational conglomerate based in Japan. Toshiba specializes in a wide range of products and services, including electronic devices, semiconductors, storage solutions, and digital products. Founded in 1875, the company has a long history in the technology sector and is recognized for its innovations in electronics and infrastructure. Toshiba is particularly known for its expertise in the production of integrated circuits and optoelectronic devices, such as phototransistors and optocouplers, including the TLP291GB, which is an optocoupler used for signal isolation in electronic circuits.

Application

The TLP291GB is a phototransistor optocoupler used in various applications, including signal isolation, data communication, and switching power supplies. It is also employed in consumer electronics, industrial automation, and automotive systems for isolating control circuits from high-voltage environments, protecting sensitive components from voltage spikes, and ensuring safe data transfer between different circuit sections.

Equivalent

Equivalent products to the TLP291GB optoisolator include the TLP291, TLP291A, and TLP291E from Toshiba. Other alternatives can be found from different manufacturers, such as the PC817 from Sharp and the MOC3021 from various suppliers, though specifications may vary. Always check the datasheets for exact pin configurations and electrical characteristics for compatibility.

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