Overview
The TLP250F(INV-LF4,F) from Toshiba Semiconductor and Storage is a high-performance optocoupler designed for gate driving circuits of IGBTs (Insulated Gate Bipolar Transistors) and power MOSFETs. This device combines an infrared emitting diode and an integrated photodetector in an 8-lead DIP package. It is optimized for applications requiring high isolation voltage and fast switching times, making it suitable for various industrial and power electronics applications.
Key Specifications
| Characteristic | Symbol | Min | Typ. | Max | Unit |
|---|---|---|---|---|---|
| Input Forward Current | IF | 20 | mA | ||
| Input Forward Voltage | VF | 1.6 | 1.8 | V | |
| Reverse Voltage | VR | 5 | V | ||
| Supply Voltage | VCC | 10 | 35 | V | |
| Output Current | IOPH, IOPL | ±1.5 | A | ||
| Switching Time (tpLH/tpHL) | 0.15 | 0.5 | μs | ||
| Isolation Voltage | 2500 | Vrms | |||
| Operating Temperature | Ta | -20 | 85 | °C |
Key Features
- High Isolation Voltage: Up to 2500 Vrms, ensuring high electrical isolation between input and output circuits.
- Fast Switching Times: Propagation delay times of 0.15 to 0.5 μs, making it suitable for high-speed applications.
- Push-Pull Output: Provides both high and low output states, enhancing flexibility in circuit design.
- Wide Operating Voltage Range: Operates from 10 to 35 V, accommodating various power supply conditions.
- UL Recognition: Compliant with UL 1577, File No. E67349, ensuring safety and reliability.
- Compact 8-Lead DIP Package: Easy to integrate into existing designs with a through-hole mounting style.
Applications
- IGBT and MOSFET Gate Driving: Ideal for driving gates in power electronics, especially in industrial inverters and air conditioners.
- Industrial Control Systems: Suitable for use in high-speed and high-isolation applications within industrial control systems.
- Power Supplies and Motor Control: Used in power supply units and motor control circuits where high isolation and fast switching are required.
- Automotive and Aerospace: Can be used in automotive and aerospace applications due to its robust specifications and reliability.
Q & A
- What is the TLP250F(INV-LF4,F) used for?
The TLP250F(INV-LF4,F) is used for gate driving circuits of IGBTs and power MOSFETs, particularly in industrial and power electronics applications.
- What is the isolation voltage of the TLP250F(INV-LF4,F)?
The isolation voltage is up to 2500 Vrms.
- What is the operating temperature range of the TLP250F(INV-LF4,F)?
The operating temperature range is from -20°C to 85°C.
- What is the maximum output current of the TLP250F(INV-LF4,F)?
The maximum output current is ±1.5 A.
- What is the typical propagation delay time of the TLP250F(INV-LF4,F)?
The typical propagation delay time is 0.15 to 0.5 μs.
- Is the TLP250F(INV-LF4,F) RoHS compliant?
Yes, the TLP250F(INV-LF4,F) is RoHS compliant.
- What package type does the TLP250F(INV-LF4,F) come in?
The TLP250F(INV-LF4,F) comes in an 8-lead DIP package.
- What is the input forward voltage of the TLP250F(INV-LF4,F)?
The input forward voltage is typically 1.6 V.
- What is the reverse voltage rating of the TLP250F(INV-LF4,F)?
The reverse voltage rating is 5 V.
- Does the TLP250F(INV-LF4,F) require any external components for operation?
Yes, a ceramic capacitor (0.1 μF) should be connected from pin 8 to pin 5 to stabilize the operation of the high gain linear amplifier.
