TLP785

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TLP785

+BOM

OPTOISOLATOR 5KV 1CH TRANS 4-DIP

  • ManufacturerToshiba Semiconductor and Storage

  • Mfr. Part #TLP785

  • Datasheet TLP785 DataSheet

  • In Stock15721

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Specifications

Attribute Value
PartStatus Active
NumberofChannels 1
Voltage-Isolation 5000Vrms
CurrentTransferRatio(Min) 50% @ 5mA
CurrentTransferRatio(Max) 600% @ 5mA
TurnOn/TurnOffTime(Typ) 3µs, 3µs
Rise/FallTime(Typ) 2µs, 3µs
InputType DC
OutputType Transistor
Voltage-Output(Max) 80V
Current-Output/Channel 50mA
Voltage-Forward(Vf)(Typ) 1.15V
Current-DCForward(If)(Max) 60 mA
VceSaturation(Max) 400mV
OperatingTemperature -55°C ~ 110°C
MountingType Through Hole
Package/Case 4-DIP (0.300", 7.62mm)
SupplierDevicePackage 4-DIP
BaseProductNumber TLP785

Overview

Description

The TLP785 is an optoisolator, also known as an optocoupler, used to transfer electrical signals using light waves to provide electrical isolation between its input and output. It is commonly used in applications where signal integrity must be maintained across different voltage levels. The device typically consists of a light-emitting diode (LED) and a phototransistor housed in a single package. When an input signal is applied, the LED emits light that is detected by the phototransistor, which then generates a corresponding electrical output.
The TLP785 is particularly designed for applications requiring isolation between high-voltage circuits and low-voltage control elements, such as in power supply circuits, microprocessor input/output isolation, and high-speed signal isolation. It provides high isolation voltage, low input current, and fast response times, making it suitable for a variety of electronic systems. Additionally, it helps protect sensitive components from voltage spikes and noise, ensuring system reliability and safety. The device is compact and easy to integrate into circuit designs, making it popular for industrial and consumer electronics.

Equivalent

The TLP785 is an optoisolator or optocoupler commonly used for electrical isolation. Equivalent products include the PC817, EL817, 4N25, LTV-817, and SFH615A. These alternatives often share similar functions and specifications, making them suitable replacements in various applications. However, it is essential to verify specific parameters such as current transfer ratio, input and output voltage ratings, and package type to ensure compatibility in your particular application.

Features

The TLP785 is a photocoupler or optoisolator, designed to transfer electrical signals using light waves to provide isolation between different parts of a system. Key features of the TLP785 include:
1. Isolation Voltage: It offers a high isolation voltage of 5000 Vrms, ensuring effective separation between input and output circuits, which enhances safety and reliability in applications.
2. Input and Output: The device uses a gallium arsenide infrared LED for the input and a photo-transistor at the output, enabling efficient signal transmission.
3. CTR (Current Transfer Ratio): The TLP785 maintains a CTR range of 50% to 600% at an input current of 5 mA, indicating its efficiency in signal transfer.
4. Package: It comes in a compact 4-pin DIP (Dual Inline Package), facilitating easy integration into various circuit boards.
5. Temperature Range: The operating temperature range is from -55°C to 110°C, making it suitable for diverse environmental conditions.
6. Applications: It is widely used in applications requiring electrical isolation and signal integrity, such as power supplies, microprocessor systems, and signal processing units.

Pinout

The TLP785 is an optoisolator, or optocoupler, which is used to transfer electrical signals between two isolated circuits by using light. It typically has a 4-pin configuration. Here is a brief description of its pin functions:
1. Pin 1 (Anode): This pin is connected to the anode of the internal LED. It is used to input the current that activates the LED, allowing it to emit light.
2. Pin 2 (Cathode): This pin is connected to the cathode of the LED. It serves as the return path for the current flowing through the LED.
3. Pin 3 (Emitter): This pin is connected to the emitter of the phototransistor. It is part of the phototransistor output circuit for the isolated side of the device.
4. Pin 4 (Collector): This pin is connected to the collector of the phototransistor. It is used to output the transferred electrical signal on the isolated side of the circuit.
The TLP785 is commonly used for signal isolation in applications such as digital logic interfaces, microprocessor system interfaces, and other electronic circuits requiring electrical isolation.

Manufacturer

The TLP785 is an optocoupler manufactured by Toshiba. Toshiba is a multinational conglomerate based in Japan, known for its diverse range of products and services across various sectors. The company operates in several key areas including electronics, digital products, semiconductors, infrastructure, home appliances, and information technology. Toshiba is recognized for its innovation and technological advancements, with a strong presence in both consumer and industrial markets. The company has a long-standing history, having been established in 1875, and it continues to be a significant player in the global technology and electronics industries.

Application

The TLP785 is a photocoupler, also known as an optocoupler, used for electrical isolation between different circuits, providing safety and protection from high voltages. Key application areas include:
1. Microprocessor System Interfaces: It protects microcontrollers and processors from voltage spikes.
2. Switching Power Supplies: Ensures safe operation by providing isolation in feedback loops.
3. Signal Isolation in Data Communication: Facilitates safe data transmission between devices.
4. Industrial Control Systems: Offers isolation for sensors and actuators in automated systems.
5. Consumer Electronics: Used in various household appliances for circuit protection.
6. Telecommunications: Provides isolation and protection in networking equipment.
These applications leverage the TLP785's ability to transfer signals without electrical contact, enhancing safety and performance.

Package

The TLP785 is an optoisolator with a standard 4-pin DIP (Dual In-line Package) type.

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