Overview
The Toshiba TLP250F(D4FA1T4S,F) is a photocoupler that integrates a GaAlAs light emitting diode and an integrated photodetector. This component is housed in an 8-lead DIP (Dual In-Line Package) and is designed for gate driving circuits of IGBTs (Insulated Gate Bipolar Transistors) and power MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors). It is particularly suitable for applications in transistor inverters, inverter air conditioners, and other power field effect devices.
Key Specifications
| Characteristic | Symbol | Condition | Value | Unit |
|---|---|---|---|---|
| Input Threshold Current | IFLH | - | 5 | mA |
| Supply Current | ICC | - | 11 | mA |
| Supply Voltage | VCC | - | 10-35 | V |
| Output Current (Peak) | IOP | - | ±1.5 | A |
| Propagation Delay Time (H/L) | tpHL | - | 0.5 | μs |
| Propagation Delay Time (L/H) | tpLH | - | 0.5 | μs |
| Isolation Voltage | BVS | t=60sec | 2500 | Vrms |
| Operating Temperature Range | Topr | - | -20 to 85 | °C |
| Storage Temperature Range | Tstg | - | -55 to 125 | °C |
Key Features
- High Isolation Voltage: The TLP250F offers an isolation voltage of 2500 Vrms, ensuring high electrical isolation between the input and output circuits.
- Strong Drive Capability: With a peak output current of ±1.5 A, this component is capable of driving IGBTs and power MOSFETs effectively.
- Fast Switching Speed: The propagation delay times (tpHL and tpLH) are both 0.5 μs (max), allowing for fast switching operations.
- UL and VDE Approvals: The TLP250F is UL-recognized (UL 1577) and VDE approved (DIN EN 60747-5-2), ensuring compliance with safety standards.
- Compact Package: The 8-lead DIP package is convenient for various applications and offers a compact footprint.
Applications
The TLP250F is widely used in several applications, including:
- Transistor Inverters: Suitable for driving IGBTs and power MOSFETs in transistor inverter circuits.
- Inverter Air Conditioners: Used in the gate drive circuits of IGBTs in inverter air conditioners.
- IGBT and Power MOSFET Gate Drive: Ideal for gate driving circuits in various power field effect devices.
- PV Inverters and Induction Cooktops: Also applicable in photovoltaic inverters and induction cooktops due to its high performance and reliability.
Q & A
- What is the TLP250F used for?
The TLP250F is used for gate driving circuits of IGBTs and power MOSFETs in various applications such as transistor inverters, inverter air conditioners, and PV inverters.
- What is the isolation voltage of the TLP250F?
The isolation voltage of the TLP250F is 2500 Vrms.
- What is the maximum output current of the TLP250F?
The maximum output current of the TLP250F is ±1.5 A.
- What are the propagation delay times of the TLP250F?
The propagation delay times (tpHL and tpLH) are both 0.5 μs (max).
- Is the TLP250F UL-recognized and VDE approved?
Yes, the TLP250F is UL-recognized (UL 1577) and VDE approved (DIN EN 60747-5-2).
- What is the operating temperature range of the TLP250F?
The operating temperature range of the TLP250F is -20 to 85°C.
- What is the package type of the TLP250F?
The TLP250F is housed in an 8-lead DIP package.
- Is the TLP250F RoHS compliant?
Yes, the TLP250F is RoHS compliant.
- What are some common applications of the TLP250F?
Common applications include transistor inverters, inverter air conditioners, PV inverters, and induction cooktops.
- Why is an external power amplifier circuit sometimes required?
An external power amplifier circuit may be required when driving larger power IGBTs due to the relatively small output current of the TLP250F.
