Overview
The TLP250HF(LF4,F) is a high-performance photocoupler produced by Toshiba Semiconductor and Storage. This device integrates a GaAlAs infrared light-emitting diode (LED) and an optical detector, making it suitable for various applications requiring high isolation and fast switching speeds. The TLP250HF is particularly designed for driving IGBTs (Insulated Gate Bipolar Transistors) and power MOSFETs in high-power systems.
Key Specifications
| Characteristics | Symbol | Rating | Unit |
|---|---|---|---|
| Supply Voltage | VCC | 10 to 30 | V |
| Operating Temperature | Topr | -40 to 125 | ℃ |
| Output Peak Current | IOP | ±2.5 | A |
| Propagation Delay Time (H/L and L/H) | tpHL / tpLH | 500 | ns |
| Common Mode Transient Immunity | CMH / CML | ±40 | kV/μs |
| Isolation Voltage | BVS | 3750 | Vrms |
| Threshold Input Current | IFLH | 5 | mA |
| Supply Current | ICC | 3 | mA |
Key Features
- Buffer Logic Type: Totem pole output
- High Isolation Voltage: Up to 3750 Vrms
- Fast Switching Speed: Propagation delay time of 500 ns (max)
- High Output Current: Peak output current of ±2.5 A (max)
- Wide Operating Temperature Range: -40°C to 125°C
- Common Mode Transient Immunity: ±40 kV/μs (min)
- Safety Standards Compliance: UL, cUL, and VDE approved
Applications
The TLP250HF(LF4,F) is widely used in various high-power applications, including:
- IGBT and power MOSFET gate drive circuits
- Three-phase voltage source inverters
- Inverter air conditioners
- Induction cooktops
- PV (Photovoltaic) inverters
Q & A
- What is the TLP250HF(LF4,F) used for?
The TLP250HF(LF4,F) is used for driving IGBTs and power MOSFETs in high-power systems, particularly in applications requiring high isolation and fast switching speeds.
- What is the output peak current of the TLP250HF(LF4,F)?
The output peak current is ±2.5 A (max).
- What is the operating temperature range of the TLP250HF(LF4,F)?
The operating temperature range is -40°C to 125°C.
- What are the safety standards that the TLP250HF(LF4,F) complies with?
The device complies with UL, cUL, and VDE safety standards.
- What is the common mode transient immunity of the TLP250HF(LF4,F)?
The common mode transient immunity is ±40 kV/μs (min).
- What is the isolation voltage of the TLP250HF(LF4,F)?
The isolation voltage is up to 3750 Vrms.
- What is the propagation delay time of the TLP250HF(LF4,F)?
The propagation delay time is 500 ns (max) for both high-to-low and low-to-high transitions.
- What is the supply voltage range for the TLP250HF(LF4,F)?
The supply voltage range is 10 to 30 V.
- What is the threshold input current for the TLP250HF(LF4,F)?
The threshold input current is 5 mA (max).
- What are some common applications of the TLP250HF(LF4,F)?
Common applications include IGBT and power MOSFET gate drive circuits, three-phase voltage source inverters, inverter air conditioners, induction cooktops, and PV inverters.
