The IRFP4468PBF is a power MOSFET transistor , typically manufactured by Infineon Technologies. It is a part of the Infineon family of power devices, often used for high-efficiency switching and power applications.
The IRFP4468PBF comes in the TO-220 package. Here's a breakdown of the important aspects, including the pin configuration, function specifications, and common FAQs related to this part.
Pin Function and Package
The IRFP4468PBF is a 3-pin power MOSFET, and its pins are labeled as:
Pin 1 (Gate): This pin controls the switching of the MOSFET. A voltage is applied to this pin to turn the MOSFET on or off. It is usually controlled by a signal from a microcontroller or other control circuitry. Pin 2 (Drain): This is the main current-carrying terminal. The power load or voltage is applied here. Pin 3 (Source): This is the reference for the current flow, typically connected to ground in common low-side switching applications.Since the part is a 3-pin component, there are only 3 pins in total, not 200 pins. Below, I will go over the detailed functions of each pin and provide the 20 frequently asked questions (FAQs) related to the IRFP4468PBF.
Pin Function Table (3 Pins)
Pin Number Pin Name Pin Function 1 Gate The Gate pin controls the MOSFET switching behavior. A positive voltage relative to the Source turns the MOSFET "on," allowing current to flow from Drain to Source. 2 Drain The Drain pin carries the load current from the power circuit. It is connected to the high side of the load in a typical configuration. 3 Source The Source pin is the current reference terminal, often connected to ground in low-side switching applications.FAQ for IRFP4468PBF (Pin Function and General Questions)
1. What is the maximum voltage rating for the IRFP4468PBF? The maximum drain-source voltage (Vds) for the IRFP4468PBF is 55V. 2. How should the Gate voltage be applied? The Gate voltage should be sufficient to turn the MOSFET on. Typically, a Gate voltage of 10V is used for full conduction. 3. What is the minimum Gate threshold voltage for the IRFP4468PBF? The Gate threshold voltage (Vgs(th)) is between 2.0V to 4.0V. 4. Can the IRFP4468PBF handle high current? Yes, it can handle a maximum drain current (Id) of 38A, depending on the cooling and operating conditions. 5. What is the Rds(on) for this MOSFET? The typical on-state resistance (Rds(on)) is 0.022Ω at Vgs = 10V. 6. Is the IRFP4468PBF suitable for switching applications? Yes, it is designed for switching applications, such as power supplies, motor control, and other high-efficiency systems. 7. What is the maximum power dissipation of this MOSFET? The maximum power dissipation is 150W under proper cooling conditions. 8. What is the maximum Gate charge for the IRFP4468PBF? The total Gate charge (Qg) is typically 140nC. 9. What package does the IRFP4468PBF come in? It comes in the TO-220 package. 10. Is this MOSFET a N-channel or P-channel? The IRFP4468PBF is an N-channel MOSFET. 11. What is the application of the IRFP4468PBF in circuits? It is used in applications such as power supplies, motor drivers, and other high-frequency switching circuits. 12. What are the thermal characteristics of the IRFP4468PBF? The MOSFET has a junction-to-ambient thermal resistance (RθJA) of 62.5°C/W and a junction-to-case thermal resistance (RθJC) of 3.0°C/W. 13. Can I use the IRFP4468PBF for high-frequency switching? Yes, it is suitable for high-frequency switching, with a fast switching speed. 14. What is the maximum Gate-source voltage rating? The maximum Vgs is ±20V. 15. What is the typical use for the IRFP4468PBF in power supplies? It is commonly used for synchronous rectification and high-efficiency DC-DC converters. 16. What is the body diode characteristic of the IRFP4468PBF? The MOSFET includes an intrinsic body diode, which can conduct when the MOSFET is off. 17. Can this MOSFET be used in automotive applications? Yes, the IRFP4468PBF is robust enough for automotive applications as long as it is properly cooled. 18. What are the main benefits of using the IRFP4468PBF over other MOSFETs ? Its low Rds(on) and high current rating make it ideal for power efficiency and thermal management in high-current applications. 19. What should I do if the MOSFET is heating up during operation? Ensure proper heat sinking and cooling. You may also need to reduce the operating current or voltage if the device is overheating. 20. How should I handle the IRFP4468PBF to avoid damage? Handle with care to avoid electrostatic discharge (ESD). Always follow proper ESD protection protocols when handling the device.Conclusion
The IRFP4468PBF is a 3-pin N-channel MOSFET with specific pin functions for Gate, Drain, and Source. This part is suitable for high-efficiency switching applications. The FAQs provide a deeper understanding of its operation, common concerns, and ideal usage scenarios.
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