PMN48XPAX

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The PMN48XPAX is a family of silicon power MOSFETs that is engineered for applications that require high power density and high current flow. The devices all feature an integrated threshold voltage regulator and an adjustable gate drive, allowing for improved performance at higher current levels. The devices are available in a variety of package terms, including D-Pak, D2PAK, and TO-220 packages. The PMN48XPAX devices are designed for a wide range of power applications including Power Line Conditioning, Automotive Body Electronics, Motor Control and Power Conversion.

The PMN48XPAX is an enhancement type power MOSFET, meaning that the gate voltage is applied in a positive polarity. When the gate voltage is at least equal to the threshold voltage of the device (Vth), it will begin to conduct current. The gate-source threshold voltage is typically 4 volts, which means that the gate voltage must exceed 4 volts before the FET will allow any current flow to occur. When the gate voltage is higher than the threshold voltage, then the higher the gate voltage, the higher the on-state resistance (RDSon) and the lower the output current that can be achieved. The maximum gate voltage is limited to the device\'s Absolute Maximum rating to avoid permanent damage.

The PMN48XPAX devices are rated for drain-source voltages of up to 48V and drain currents up to 40A. The devices\' on-resistance (RDSon) is typically 7 mΩ at 4.5V gate voltage and 3 mΩ at 8V gate voltage. The RDS[on] decreases as the gate voltage increases, and is typically 0.9 mΩ at 20V gate voltage. The device\'s maximum drain-source voltage is set to 48V and the maximum current handling capability is set to 40A.

The PMN48XPAX devices are designed to operate in a wide range of operating temperatures. The maximum junction temperature of the devices is 150°C and the maximum ambient operating temperature is 85°C. The temperature of the devices is monitored by an integrated thermal shutdown circuit which shuts down the device when the junction temperature reaches 150°C. Additionally, the devices have an integrated short circuit protection which disconnects the device from the current path when the total drain current is higher than the rated current.

The PMN48XPAX devices are versatile and can be used in a variety of applications. They are suitable for use in power conversion, motor control, automotive body electronics, and power line conditioning applications. They also have a wide operating temperature range, an adjustable gate drive, and an integrated threshold voltage regulator, making them well-suited for a wide range of high-power applications.

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