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 component integrates a GaAlAs light emitting diode and a photodetector, encapsulated in an 8-lead DIP package. It is renowned for its reliability, high isolation voltage, and fast switching times, making it suitable for various industrial and power electronics applications.
Key Specifications
| Characteristic | Symbol | Rating | Unit |
|---|---|---|---|
| Input Threshold Current | IF | 5 mA (max) | mA |
| Supply Current | ICC | 11 mA (max) | mA |
| Supply Voltage | VCC | 10 - 35 V | V |
| Output Current | IO | ±1.5 A (max) | A |
| Switching Time (tpLH/tpHL) | tpLH/tpHL | 0.5 μs (max) | μs |
| Isolation Voltage | Vrms | 2500 Vrms (min) | Vrms |
| Operating Temperature Range | Topr | -20 to 85 °C | °C |
| Storage Temperature Range | Tstg | -55 to 125 °C | °C |
| Lead Soldering Temperature (10 s) | Tsol | 260 °C | °C |
Key Features
- High isolation voltage of 2500 Vrms, ensuring electrical isolation between input and output circuits.
- Fast switching times with propagation delays of 0.5 μs (max) for both rising and falling edges.
- High peak output current of ±1.5 A, suitable for driving high-current devices.
- Wide operating temperature range from -20 to 85 °C.
- UL-recognized (UL 1577, File No.E67349) and VDE approved (DIN VDE 0884/06.92, certificate No.76823).
- Lead-free and RoHS compliant.
Applications
- Gate driving circuits for IGBTs and power MOSFETs in industrial inverters and power supplies.
- High-frequency switching applications, such as in motor drives and power converters.
- Air conditioner and other HVAC system control circuits.
- General-purpose isolation and interface circuits in industrial and automotive electronics.
Q & A
- What is the TLP250 used for? The TLP250 is used for gate driving circuits of IGBTs and power MOSFETs, providing high isolation and fast switching times.
- What is the maximum input threshold current of the TLP250? The maximum input threshold current is 5 mA.
- What is the isolation voltage of the TLP250? The isolation voltage is 2500 Vrms (min).
- What is the operating temperature range of the TLP250? The operating temperature range is -20 to 85 °C.
- Is the TLP250 RoHS compliant? Yes, the TLP250 is lead-free and RoHS compliant.
- What are the typical applications of the TLP250? Typical applications include industrial inverters, power supplies, motor drives, and HVAC system control circuits.
- What is the maximum peak output current of the TLP250? The maximum peak output current is ±1.5 A.
- What are the switching times of the TLP250? The propagation delays (tpLH/tpHL) are 0.5 μs (max).
- Does the TLP250 require any special handling during soldering? Yes, the lead soldering temperature should not exceed 260 °C for 10 seconds.
- Is the TLP250 certified by any regulatory bodies? Yes, it is UL-recognized (UL 1577, File No.E67349) and VDE approved (DIN VDE 0884/06.92, certificate No.76823).
