STMicroelectronics

STD75N3LLH6

STD75N3LLH6 Description

The STD75N3LLH6 is a high-performance N-Channel MOSFET from STMicroelectronics, designed for applications requiring high current and voltage handling capabilities. With a drain-source voltage (Vdss) of 30V and a continuous drain current (Id) of 75A at 25°C, this device is well-suited for demanding power electronics applications. The STD75N3LLH6 features a DeepGATE™ and STripFET™ VI series, offering improved performance and reliability compared to standard MOSFETs.

STD75N3LLH6 Features

• Input Capacitance (Ciss): The STD75N3LLH6 has a maximum input capacitance of 1690 pF at 25V, ensuring fast switching and reduced parasitic effects.
• Gate Charge (Qg): With a maximum gate charge of 17 nC at 4.5V, this device provides efficient gate drive and reduced switching losses.
• Rds On (Max): The STD75N3LLH6 has a maximum Rds On of 5.5mOhm at 37.5A and 10V, ensuring low on-resistance and high efficiency in power applications.
• Vgs(th) (Max): The device has a maximum threshold voltage (Vgs(th)) of 2.5V at 250µA, providing stable operation and improved control.
• Drive Voltage: The STD75N3LLH6 supports a maximum drive voltage of 4.5V and a minimum drive voltage of 10V, ensuring compatibility with various gate drive circuits.
• Power Dissipation: This MOSFET can dissipate up to 60W of power at the case temperature (Tc), making it suitable for high-power applications.
• Mounting Type: The STD75N3LLH6 is designed for surface mount applications, providing a compact and efficient solution for PCB layouts.

STD75N3LLH6 Applications

The STD75N3LLH6 is ideal for a wide range of power electronics applications, including:

1. Power Supplies: Due to its high voltage and current ratings, this MOSFET is well-suited for power supply designs, such as SMPS and DC-DC converters.
2. Motor Control: The STD75N3LLH6's low Rds On and high current capabilities make it an excellent choice for motor control applications, including industrial drives and electric vehicles.
3. Battery Management Systems: This MOSFET can be used in battery management systems for electric vehicles and energy storage systems, providing efficient power switching and protection.
4. Industrial Automation: The STD75N3LLH6's robust performance and high power dissipation capabilities make it suitable for industrial automation applications, such as motor drives and power distribution systems.

Conclusion of STD75N3LLH6

The STD75N3LLH6 is a high-performance N-Channel MOSFET from STMicroelectronics, offering a combination of high voltage, current, and power dissipation capabilities. Its unique features, such as low Rds On, fast switching, and improved control, make it an excellent choice for demanding power electronics applications. While the device is now considered obsolete, it remains a reliable and efficient solution for various high-power applications, including power supplies, motor control, battery management systems, and industrial automation.