IRF7754

Series:	HEXFET®
Packaging:	Tube
Part Status:	Obsolete
FET Type:	2 P-Channel (Dual)
FET Feature:	Logic Level Gate
Drain to Source Voltage (Vdss):	12V
Current - Continuous Drain (Id) @ 25°C:	5.5A
Rds On (Max) @ Id, Vgs:	25 mOhm @ 5.4A, 4.5V
Vgs(th) (Max) @ Id:	900mV @ 250µA
Gate Charge (Qg) (Max) @ Vgs:	22nC @ 4.5V
Input Capacitance (Ciss) (Max) @ Vds:	1984pF @ 6V
Power - Max:	1W
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	8-TSSOP

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IRF7754 is a high-performance enhancement-type MOSFET array. It consists of four independent N-channel MOSFETs with a common source. It’s a four FET package, which is considered to be the optimal number of FETs in an array and the most commonly used FET type.The device is designed to provide low on-resistance and high-level linearity, making it suitable for a variety of applications. The package design is optimized to minimize stray capacitance and improve device performance.The IRF7754 is suitable for power applications in the automotive and industrial fields; it’s often used for bridge circuits, synchronous rectification, and polarity conversion. It’s also used in various power switching and interfacing applications including buck converters, DC-DC converters, charge pumps, gate drivers, and so on.An important thing to keep in mind when working with the IRF7754 is that it has four independent channels, so the device must be used in conjunction with four control signals to keep each MOSFET working independently. Otherwise, the device could potentially act as one large transistor, which can lead to issues such as ringing, over-current protection, and poor efficiency.Another important characteristic to consider is the maximum operating voltage of the device. The IRF7754 has a maximum VDS (drain-source voltage) limit of 50V. Make sure that the total voltage rating is below this value during operation if the device is to work properly.The working principle of the IRF7754 is based on the basic principle of enhancement-type MOSFETs, where the gate-source voltage (VGS) controls the current flow through the device. An increase in the VGS will increase the drain current (ID), and a decrease in the VGS will reduce the drain current.The ID increases until it reaches the maximum rating of the device, ID MAX. This maximum rating can range from a few hundred mA to over 5A, depending on the device. Beyond this rating, the device will not be able to support the current and will either shut down or burn out.In practical applications, the maximum VGS has to be carefully monitored as overdriving it can lead to an increase in power dissipation and may eventually result in device failure. The maximum power dissipation of the device should not be exceeded in a practical application.These are the main points to keep in mind when working with the IRF7754 MOSFET array. When used correctly, it can be a powerful and reliable component in your system.

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