Infineon IPW90R340C3 CoolMOS™ Power Transistor: Datasheet, Application Notes, and Technical Specifications
The relentless pursuit of higher efficiency and power density in modern electronic systems places immense demands on power switching components. The Infineon IPW90R340C3, a member of the renowned CoolMOS™ C3 family, stands out as a high-performance superjunction MOSFET engineered to meet these challenges in demanding applications. This article delves into its key specifications, supported by its datasheet, and explores its primary use cases.
Technical Specifications and Key Features
The IPW90R340C3 is characterized by its exceptional balance of low switching losses and low on-state resistance. Its standout technical specifications include:
Breakdown Voltage (VDSS): 900 V, making it suitable for off-line power supplies operating from universal input voltages (85 V AC to 305 V AC).
Continuous Drain Current (ID): Up to 7.7 A at a case temperature (TC) of 100°C, ensuring robust current handling capability.
On-State Resistance (RDS(on)): A remarkably low 340 mΩ (max. at TJ=25°C). This is a critical figure as it directly governs conduction losses; a lower RDS(on) means higher efficiency and reduced heat generation.
Superjunction Technology: The core of its performance, this technology enables minimal switching losses and excellent dv/dt capability, allowing for higher switching frequencies. This, in turn, enables the design of smaller, lighter magnetics and passive components.
Package: Housed in a TO-247 package, it offers a tried-and-tested industry-standard footprint with excellent thermal performance for effective heat dissipation.
Primary Applications and Usage
The combination of high voltage, low RDS(on), and fast switching speed makes the IPW90R340C3 an ideal choice for a wide array of power conversion topologies. Key application areas include:
Switch-Mode Power Supplies (SMPS): Particularly in Power Factor Correction (PFC) stages and hard-switched DC-DC converters like flyback, forward, and half-bridge configurations.
Lighting: High-performance drivers for industrial and commercial LED lighting systems.
Industrial Power Systems: Used in motor controls, inverters, and welding equipment.
Leveraging the Datasheet and Application Notes
For any design engineer, the official datasheet is the ultimate source of truth. It provides comprehensive information on absolute maximum ratings, thermal characteristics, switching performance graphs, and safe operating area (SOA) diagrams. Crucially, it also contains test circuits and conditions that are vital for validating performance in a specific design.
Furthermore, Infineon provides extensive Application Notes (ANs) related to the CoolMOS™ C3 technology. These documents are invaluable for:
Understanding layout guidelines to minimize parasitic inductance and ensure stable operation.
Designing effective gate drive circuits to fully exploit the fast switching capability of the MOSFET.
Implementing robust protection features like overcurrent and overvoltage clamping.
Optimizing thermal management to ensure reliability under full load conditions.
ICGOOODFIND
In summary, the Infineon IPW90R340C3 CoolMOS™ Power Transistor is a highly efficient and reliable high-voltage MOSFET that empowers designers to push the boundaries of power supply performance. Its superior switching characteristics and low conduction losses, backed by Infineon's robust application support, make it a premier choice for creating compact, efficient, and high-power-density systems across industrial, consumer, and lighting domains.
Keywords:
1. CoolMOS™ C3
2. 900V Superjunction MOSFET
3. Low Switching Losses
4. Power Factor Correction (PFC)
5. High Efficiency
