TLP293

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TLP293

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Toshiba

  • 제조업체도시바

  • 제조업체 부품 #TLP293

  • 재고25688

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개요

Description

The TLP293 is a phototransistor photocoupler, also known as an opto-isolator, manufactured by Toshiba. It is designed to provide electrical isolation between input and output circuits while allowing signal transmission. The device consists of a gallium arsenide infrared LED and a silicon phototransistor housed in a compact 4-pin SO6 package. This configuration allows for a high isolation voltage of up to 3750 Vrms, making it suitable for applications where safety and signal integrity are crucial.
Key features of the TLP293 include a high current transfer ratio (CTR), low input current, and fast switching speed. It operates effectively within a temperature range from -55°C to 110°C. Typical applications for the TLP293 include interfacing between microcontrollers and high-voltage components, signal isolation in communication systems, and protection in industrial control systems.
The TLP293 is valued for its reliability and efficiency, providing essential isolation in various electronic applications, thereby protecting sensitive components from voltage spikes and noise.

Equivalent

The TLP293 is a photocoupler or optocoupler. Equivalent products include:
1. NEC PS2801-1
2. Vishay TCMT1100
3. Vishay VO617A
4. Fairchild/ON Semiconductor FOD817
5. Everlight EL817
6. Lite-On LTV-817
These equivalents offer similar functionality, typically featuring a phototransistor output and similar isolation voltage ratings, making them suitable replacements in circuits where the TLP293 is used. Always verify specifications and compatibility before substituting.

Features

The TLP293 is a phototransistor-based photocoupler, also known as an optocoupler, designed for electrical isolation and signal transmission between circuits. Key features include:
1. Isolation Voltage: It offers an isolation voltage of 3750 Vrms, providing robust electrical insulation between the input and output.
2. Package: The TLP293 comes in a compact 4-pin SO4 package, suitable for surface mounting, which saves space on printed circuit boards.
3. Current Transfer Ratio (CTR): It typically has a current transfer ratio ranging from 50% to 600%, indicating efficient signal transmission.
4. Input and Output: The device contains a gallium arsenide infrared LED on the input side and a phototransistor on the output side.
5. Temperature Range: It operates over a wide temperature range, typically from -55°C to 110°C, suitable for various environmental conditions.
6. Application Areas: Commonly used in applications requiring electrical isolation, such as in power supply circuits, microprocessor systems, and data communication systems.
These features make the TLP293 an effective solution for isolating different sections of an electronic system, enhancing safety and performance.

Pinout

The TLP293 is an optoisolator, also known as an optocoupler. It typically comes in a 4-pin package. Here's a concise overview:
- Pin Count: 4 pins.
- Function:
- Pin 1: Anode of the LED. This is where the input signal is provided to activate the LED within the optocoupler.
- Pin 2: Cathode of the LED. Completes the circuit for the LED, allowing current to flow through when a signal is present.
- Pin 3: Emitter of the phototransistor. This is one of the output connections, allowing the signal to be transferred to the output side.
- Pin 4: Collector of the phototransistor. This is the other output connection, usually connected to a load or circuit that needs to be isolated from the input side.
The primary function of the TLP293 is to transfer electrical signals between two isolated circuits using light, providing electrical isolation between its input and output.

Manufacturer

The TLP293 is manufactured by Toshiba Electronic Devices & Storage Corporation. This company is a part of the larger Toshiba Corporation, which is a multinational conglomerate based in Japan. Toshiba Electronic Devices & Storage Corporation specializes in the development, manufacturing, and marketing of semiconductors and storage products. They produce a wide range of electronic components, including optoelectronic devices like the TLP293. Toshiba has a long-standing history in the electronics industry and is known for its technological innovations and contributions to various sectors such as consumer electronics, industrial electronics, and digital products.

Application

The TLP293 is a phototransistor photocoupler, commonly used in applications requiring electrical isolation between input and output. Its main application areas include:
1. Signal Isolation: Used in digital communication interfaces to prevent noise from affecting signal integrity.
2. Switching Power Supplies: Provides isolation between high-voltage circuits and control circuits.
3. Microcontroller Interfacing: Ensures safe communication between different voltage domains.
4. Industrial Automation: Used in control systems for isolating different parts of a circuit.
5. Consumer Electronics: Implemented in devices needing isolation for safety and signal integrity.
The TLP293 is valued for its compact size and reliable performance in isolating sensitive electronic components.

Package

The TLP293 is an opto-isolator with a 4-pin SO4 (Small Outline-4) package. This surface-mount package is compact and suitable for applications requiring isolation between input and output while maintaining a small footprint.

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