STP9NK70ZFP

Introduction

The STP9NK70ZFP is a commonly used Power MOSFET from STMicroelectronics’ ultra-low gate charge STripFET™ IV family, specifically designed for high frequency switching applications. The Power MOSFET is suitable for a wide number of applications, ranging from lighting for automotive, industrial and consumer applications to motor controls, reverse battery protection and switching mode power supplies.

Types of Power MOSFET

A Power MOSFET is a power semiconductor device, based on metal-oxide-semiconductor field-effect transistor technology. Power MOSFETs are typically used in power supplies, power converters, motor speed controls, digital logic switches and amplification. There are different types of Power MOSFETs, classified according to their structure and performance characteristics.

• Enhancement-mode MOSFETs are usually used in digital applications, where a low "ON" resistance is required and very small gate-source voltage may be used.
• Depletion-mode MOSFETs are typically used in analog applications and are designed to switch small currents.
• Junction Gate Field-Effect Transistors (JFETs) are voltage-controlled semiconductor devices that are typically used in low-power, low-noise applications.

STP9NK70ZFP Features

The STP9NK70ZFP is a Power MOSFET featuring low gate charge and low on-state resistance, enabling higher power output and reduced power losses. The STP9NK70ZFP offers improved safe operating area, providing better protection and insuring a better product reliability and longer working life, even when subjected to high inrush currents. The STP9NK70ZFP is also suitable for high frequency switching applications and it features an improved thermal behavior, as well as improved switching performance.

STP9NK70ZFP Application Field

The STP9NK70ZFP is suitable for a variety of applications, such as lighting for automotive, industrial and consumer applications, motor controls, reverse battery protection and switching mode power supplies. It can be used in high-frequency switching, deriving the desired results from a power factor correction circuit or from a line stage of a Uninterruptible Power Supply (UPS). The STP9NK70ZFP can also be used for peak current limit switching applications and for power management functions.

STP9NK70ZFP Working Principle

Power MOSFETs are voltage-controlled semiconductor devices, which can be used to control the flow of an electric current. The STP9NK70ZFP is typically used in applications where high frequency switching is necessary. The device operates by passing an electric current through a gate, which is then transferred to the source, creating an electric field. This electric field controls the resistance between the source and the drain, as well as the amount of current that flows through the device.

Conclusion

The STP9NK70ZFP is a commonly used Power MOSFET from STMicroelectronics’ ultra-low gate charge STripFET™ IV family, specifically designed for high frequency switching applications. The Power MOSFET is suitable for a wide range of applications, including lighting for automotive, industrial and consumer applications, motor controls, reverse battery protection and switching mode power supplies. The STP9NK70ZFP features an improved thermal behavior, as well as improved switching performance. It is typically used in applications where high frequency switching is necessary, as it operates by passing an electric current through a gate, which is then transferred to the source, creating an electric field. This electric field controls the resistance between the source and the drain, as well as the amount of current that flows through the device.