Overview
The TLP627-4(LF1,F) is a photocoupler produced by Toshiba Semiconductor and Storage Corporation. It consists of a gallium arsenide infrared emitting diode (IRED) optically coupled to a Darlington connected phototransistor. This device is designed to optimize switching speed and elevated temperature characteristics, making it suitable for a variety of applications requiring high isolation and reliability.
The TLP627-4 offers four isolated channels in a 16-pin plastic DIP package, providing a compact solution for multiple channel requirements. It is UL-recognized (UL 1577, File No.E67349), cUL-recognized, and VDE-approved (EN 60747-5-5), ensuring compliance with international safety standards.
Key Specifications
| Characteristics | Symbol | Rating/Value | Unit |
|---|---|---|---|
| LED Forward Current | IF | 50 mA | mA |
| Pulse Forward Current | IFP | 1 A (100μs pulse, 100pps) | A |
| Reverse Voltage | VR | 5 V | V |
| Diode Power Dissipation (1 Circuit) | PD | 70 mW | mW |
| Collector-Emitter Voltage | VCEO | 300 V | V |
| Collector Current | IC | 150 mA | mA |
| Operating Temperature Range | Topr | -25 to 85 °C | °C |
| Isolation Voltage | BVS | 5000 Vrms (AC, 60 s) | Vrms |
| Current Transfer Ratio | 1000 % (min) | % |
Key Features
- High Isolation Voltage: Up to 5000 Vrms, ensuring high electrical isolation between input and output circuits.
- Multiple Channels: The TLP627-4 provides four isolated channels in a single package, making it ideal for applications requiring multiple optocouplers.
- Darlington Connected Phototransistor: Optimizes switching speed and elevated temperature characteristics.
- Integral Base-Emitter Resistor: Enhances switching performance and stability.
- UL, cUL, and VDE Approvals: Compliant with international safety standards, including UL 1577, cUL, and EN 60747-5-5.
- Wide Operating Temperature Range: From -25°C to 85°C, suitable for various environmental conditions.
Applications
- Programmable Controllers: Used in industrial control systems for signal isolation and protection.
- DC-Output Modules: Suitable for use in DC-output modules where high isolation is required.
- Telecommunication Equipment: Employed in telecommunication devices to ensure signal integrity and isolation.
- Industrial Automation: Used in various industrial automation applications where reliable signal isolation is critical.
- Medical Devices: Can be used in medical equipment to provide electrical isolation and safety.
Q & A
- What is the TLP627-4(LF1,F) used for?
The TLP627-4(LF1,F) is a photocoupler used for signal isolation and protection in various applications, including programmable controllers, DC-output modules, telecommunication equipment, and industrial automation.
- How many isolated channels does the TLP627-4 provide?
The TLP627-4 provides four isolated channels in a single 16-pin plastic DIP package.
- What is the maximum collector-emitter voltage of the TLP627-4?
The maximum collector-emitter voltage (VCEO) is 300 V.
- What is the isolation voltage of the TLP627-4?
The isolation voltage (BVS) is up to 5000 Vrms (AC, 60 s).
- What are the operating temperature ranges for the TLP627-4?
The operating temperature range is from -25°C to 85°C.
- Is the TLP627-4 compliant with international safety standards?
Yes, it is UL-recognized (UL 1577, File No.E67349), cUL-recognized, and VDE-approved (EN 60747-5-5).
- What is the current transfer ratio of the TLP627-4?
The current transfer ratio is a minimum of 1000%.
- What is the maximum forward current for the LED in the TLP627-4?
The maximum forward current (IF) for the LED is 50 mA.
- What is the typical rise time and fall time for the TLP627-4?
The typical rise time (tr) is 40 μs, and the typical fall time (tf) is 15 μs.
- Can the TLP627-4 be used in medical devices?
Yes, it can be used in medical devices to provide electrical isolation and safety.
