Overview
The TLP250, produced by Toshiba Semiconductor and Storage, is a high-performance photocoupler designed for gate driving circuits of IGBTs (Insulated Gate Bipolar Transistors) and power MOSFETs. This device is packaged in an 8-lead DIP (Dual In-Line Package) and integrates an infrared emitting diode and a photodetector. It is known for its high isolation voltage, fast switching times, and robust common-mode transient immunity, making it suitable for various industrial and power electronics applications.
Key Specifications
| Characteristic | Symbol | Min | Typ. | Max | Unit |
|---|---|---|---|---|---|
| Input Threshold Current | IF | - | - | 5 mA | mA |
| Supply Voltage | VCC | 10 | - | 35 | V |
| Output Current | IOPH, IOPL | - | - | ±1.5 A | A |
| Propagation Delay Time | tpLH, tpHL | - | 0.15 | 0.5 μs | μs |
| Isolation Voltage | BVS | - | - | 2500 Vrms | Vrms |
| Common Mode Transient Immunity | CMH, CML | - | - | ±40 kV/μs | kV/μs |
| Operating Temperature | Ta | -40 | - | 125 | °C |
Key Features
- Buffer logic type with totem pole output
- High peak output current: ±1.5 A (max)
- Wide operating temperature range: -40 to 125 °C
- Low supply current: 11 mA (max)
- Fast propagation delay time: 0.5 μs (max)
- High common-mode transient immunity: ±40 kV/μs (min)
- High isolation voltage: 2500 Vrms (min)
- UL, cUL, and VDE approved for safety standards
Applications
- Gate driving circuits for IGBTs and power MOSFETs
- Industrial inverters
- Air conditioner control systems
- Power electronics and motor control systems
- High-voltage and high-current applications requiring electrical isolation
Q & A
- What is the TLP250 used for?
The TLP250 is used for gate driving circuits of IGBTs and power MOSFETs, providing electrical isolation and high-speed switching.
- What is the maximum output current of the TLP250?
The maximum output current of the TLP250 is ±1.5 A.
- What is the operating temperature range of the TLP250?
The operating temperature range of the TLP250 is -40 to 125 °C.
- What is the isolation voltage of the TLP250?
The isolation voltage of the TLP250 is 2500 Vrms (min).
- What safety standards does the TLP250 comply with?
The TLP250 complies with UL, cUL, and VDE safety standards.
- What is the common-mode transient immunity of the TLP250?
The common-mode transient immunity of the TLP250 is ±40 kV/μs (min).
- What is the propagation delay time of the TLP250?
The propagation delay time of the TLP250 is 0.5 μs (max).
- What package type is the TLP250 available in?
The TLP250 is available in an 8-lead DIP package.
- What is the supply voltage range for the TLP250?
The supply voltage range for the TLP250 is 10 to 35 V.
- Is the TLP250 suitable for high-frequency applications?
Yes, the TLP250 is suitable for high-frequency applications due to its fast switching times and high common-mode transient immunity.
