Overview
The TLP250H(LF1,F) is a logic output optocoupler produced by Toshiba Semiconductor and Storage. This component integrates a GaAlAs light emitting diode and an optical detector, making it suitable for driving IGBTs (Insulated Gate Bipolar Transistors) and power MOSFETs. It is particularly useful in applications requiring high isolation voltage, strong drive capability, and fast switching speeds.
The TLP250H series is designed for use in various power electronics applications, including three-phase voltage source inverters, where it can perform functions such as automatic torque compensation, slip compensation, and overcurrent protection for the IGBT in the inverter unit.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package / Case | 8-SMD, Gull Wing | |
| Number of Channels | 1 | |
| Input Type | DC | |
| Output Type | Push-Pull, Totem Pole | |
| Operating Temperature | -40 to 125 | °C |
| Supply Voltage | 10 to 30 | V |
| Supply Current | 3 | mA |
| Threshold Input Current | 5 | mA |
| Propagation Delay Time | 500 | ns |
| Common-mode Transient Immunity | ±40 kV/µs | |
| Isolation Voltage | 3750 Vrms | |
| Output Peak Current | ±2.5 A |
Key Features
- Buffer Logic Type: Totem pole output, providing efficient and reliable signal transmission.
- High Isolation Voltage: Up to 3750 Vrms, ensuring electrical isolation between the input and output circuits.
- Strong Drive Capability: Peak high-level output current of ±2.5 A, suitable for driving large power IGBTs and MOSFETs.
- Fast Switching Speed: Propagation delay time of up to 500 ns, enabling quick response times in high-speed applications.
- High Common-mode Transient Immunity: ±40 kV/µs, protecting against transient voltages and ensuring stable operation.
- Wide Operating Temperature Range: From -40°C to 125°C, making it versatile for various environmental conditions.
- Safety Standards Compliance: UL-approved (UL1577), cUL-approved (CSA Component Acceptance Service), and VDE-approved (EN60747-5-5, EN60065, or EN60950-1).
Applications
The TLP250H(LF1,F) is widely used in various power electronics applications, including:
- Transistor Inverters: For driving IGBTs and power MOSFETs in inverter circuits.
- Inverter Air Conditioners: To control and protect the IGBTs in air conditioner inverter systems.
- IGBT Gate Drivers: For reliable and efficient gate driving of IGBTs in high-power applications.
- Power Field Effect Transistors (FETs): To drive power FETs in various power electronics systems.
Q & A
- What is the package type of the TLP250H(LF1,F)?
The TLP250H(LF1,F) comes in an 8-SMD, Gull Wing package.
- What is the operating temperature range of the TLP250H(LF1,F)?
The operating temperature range is from -40°C to 125°C.
- What is the maximum output peak current of the TLP250H(LF1,F)?
The maximum output peak current is ±2.5 A.
- What is the common-mode transient immunity of the TLP250H(LF1,F)?
The common-mode transient immunity is ±40 kV/µs.
- What safety standards does the TLP250H(LF1,F) comply with?
The TLP250H(LF1,F) complies with UL1577, CSA Component Acceptance Service, and VDE standards (EN60747-5-5, EN60065, or EN60950-1).
- What is the propagation delay time of the TLP250H(LF1,F)?
The propagation delay time is up to 500 ns.
- What is the supply voltage range for the TLP250H(LF1,F)?
The supply voltage range is from 10 V to 30 V.
- What is the threshold input current for the TLP250H(LF1,F)?
The threshold input current is 5 mA.
- Can the TLP250H(LF1,F) be used for driving large power IGBTs?
Yes, but an external power amplifier circuit may be required due to the relatively small output current of the TLP250H(LF1,F).
- What are some common applications of the TLP250H(LF1,F)?
Common applications include transistor inverters, inverter air conditioners, IGBT gate drivers, and gate drive of power field effect transistors.
