Infineon IRF540ZLPBF N-Channel Power MOSFET: Key Specifications and Applications
The Infineon IRF540ZLPBF is a highly popular and robust N-Channel power MOSFET designed for a wide range of power switching applications. As part of Infineon's extensive portfolio of high-performance semiconductors, this component is engineered to deliver efficiency, reliability, and thermal stability in demanding circuits.
Key Specifications
The IRF540ZLPBF is defined by a set of impressive electrical characteristics that make it a go-to choice for designers. It is built using advanced silicon technology, which provides low on-state resistance and fast switching speeds.
Drain-Source Voltage (Vds): 100V. This high voltage rating makes it suitable for applications operating at significant potentials, including automotive and industrial systems.
Continuous Drain Current (Id): 33A at a case temperature of 25°C. This high current capability allows it to handle substantial power loads effectively.
On-State Resistance (Rds(on)): 44 mΩ (max) at Vgs = 10 V. The low Rds(on) is crucial for minimizing conduction losses, leading to higher efficiency and reduced heat generation.
Gate Threshold Voltage (Vgs(th)): Typically 2.0V to 4.0V. This standard threshold ensures good compatibility with a wide array of logic-level and standard drivers and controllers.
Package: Housed in the TO-220AB through-hole package, which is mechanically robust and facilitates easy mounting to a heatsink for superior thermal management, allowing it to dissipate up to 94W of power.
Primary Applications
The combination of high voltage, high current, and low on-resistance opens the door to numerous applications. Key uses include:
Power Supplies: It is extensively used in Switch-Mode Power Supplies (SMPS), DC-DC converters, and voltage regulation modules as the main switching element.
Motor Control: The MOSFET is ideal for driving brushed DC motors in applications ranging from industrial automation and robotics to automotive systems (e.g., power window controls, fan drives).
Power Management: It serves in load switching, power distribution, and inverter circuits, efficiently controlling the flow of power to different system sections.
Audio Amplifiers: Often found in the output stages of high-power Class-D audio amplifiers due to its fast switching characteristics.
ICGOOODFIND: The Infineon IRF540ZLPBF stands out as a versatile and reliable workhorse in the world of power electronics. Its robust specification set, particularly its 100V voltage rating, 33A current handling, and low 44 mΩ Rds(on), ensures high efficiency and performance in switching and linear operation modes. Its TO-220 package makes it a practical choice for both prototyping and production, solidifying its position as a fundamental component in countless power design projects.
Keywords: Power MOSFET, Switch-Mode Power Supply (SMPS), Motor Control, Low On-Resistance, TO-220 Package.
