Overview
The TLP521-4GR, produced by Isocom Components 2004 LTD, is a high-performance optocoupler designed to provide galvanic isolation between two circuits. This device is part of the TLP521 series, which features a gallium arsenide (GaAs) infrared LED optically coupled to a photo-transistor. Isocom Components, a leading manufacturer of infrared optoelectronic devices, ensures this product meets stringent industry standards with superior quality and customer service.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Voltage - Isolation | 5300 Vrms |
| Input Diode Forward Voltage | 1.25 V |
| Reverse Voltage | 5 V |
| Emitter-Collector Voltage | 7 V |
| Collector-Emitter Voltage (Max) | 55 V |
| Collector Current (Max) | 50 mA |
| Rise Time (Typ) | 2 µs |
| Fall Time (Typ) | 3 µs |
| Junction Temperature | 125 °C |
| Total Device Dissipation | 150 mW |
| Package Type | DIP through hole package |
Key Features
- Galvanic Isolation: Provides electrical isolation between two circuits, ensuring no direct electrical connection between the input and output sides.
- High Isolation Voltage: Offers up to 5300 Vrms of isolation voltage, making it suitable for high-voltage applications.
- Fast Switching Times: Features rise and fall times of 2 µs and 3 µs, respectively, enabling fast signal transmission.
- Multiple Channels: Available in configurations with multiple channels (e.g., 4 channels in the TLP521-4GR), allowing for multiple signal isolations in a single package.
- High Temperature Operation: Can operate up to a junction temperature of 125 °C.
- Various Package Options: Available in different package types, including DIP through hole packages, and can be provided in Tape and Reel packaging if required.
Applications
- Electrical Isolation Circuits: Ideal for applications requiring galvanic isolation to prevent electrical noise or voltage spikes from affecting sensitive circuits.
- Microcontroller I/O Switching Circuits: Used in microcontroller-based systems to isolate digital inputs and outputs.
- Signal Isolation: Effective in isolating signals to prevent noise coupling and ensure reliable signal transmission.
- Isolation of Digital from Analog Circuits: Helps in separating digital and analog circuits to prevent interference.
- AC/DC Power Control: Utilized in power control circuits to isolate control signals from high-voltage power lines.
Q & A
- What is the primary function of the TLP521-4GR optocoupler?
The primary function of the TLP521-4GR optocoupler is to provide galvanic isolation between two circuits, ensuring no direct electrical connection between the input and output sides.
- What is the isolation voltage of the TLP521-4GR?
The TLP521-4GR offers up to 5300 Vrms of isolation voltage.
- What are the typical rise and fall times of the TLP521-4GR?
The typical rise time is 2 µs, and the typical fall time is 3 µs.
- What is the maximum collector current of the TLP521-4GR?
The maximum collector current is 50 mA.
- What is the maximum collector-emitter voltage of the TLP521-4GR?
The maximum collector-emitter voltage is 55 V.
- What are some common applications of the TLP521-4GR?
Common applications include electrical isolation circuits, microcontroller I/O switching circuits, signal isolation, isolation of digital from analog circuits, and AC/DC power control.
- What type of package is the TLP521-4GR available in?
The TLP521-4GR is available in DIP through hole packages and can also be provided in Tape and Reel packaging if required.
- What is the junction temperature limit of the TLP521-4GR?
The junction temperature limit is 125 °C.
- How many channels does the TLP521-4GR have?
The TLP521-4GR has 4 channels.
- Why is galvanic isolation important in electronic circuits?
Galvanic isolation is important to prevent electrical noise or voltage spikes from affecting sensitive circuits and to ensure reliable signal transmission.
