94-3449

Series:	HEXFET®
Packaging:	Tube
Part Status:	Obsolete
FET Type:	2 P-Channel (Dual)
FET Feature:	Logic Level Gate
Drain to Source Voltage (Vdss):	55V
Current - Continuous Drain (Id) @ 25°C:	3.4A
Rds On (Max) @ Id, Vgs:	105 mOhm @ 3.4A, 10V
Vgs(th) (Max) @ Id:	1V @ 250µA
Gate Charge (Qg) (Max) @ Vgs:	38nC @ 10V
Input Capacitance (Ciss) (Max) @ Vds:	690pF @ 25V
Power - Max:	2W
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SO

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Transistors — FETs, MOSFETs — Arrays

94-3449 Application Field and Working Principle

The 94-3449 is an array of MOSFETs (metal-oxide semiconductor field-effect transistors) developed by Fujitsu, a leading provider of innovative electronic components. Its wide range of features, user-friendly operation, and superior performance make it an excellent choice for a range of applications, from industrial to communications. In this article, we\'ll look at the application field and working principle of the 94-3449.

Applications

The 94-3449 is designed to be an integral part of an embedded system, such as industrial control and communication systems. It provides an easy-to-use, space-saving, and cost-effective solution for system designers, allowing them to quickly and accurately implement and experiment with their control system.The 94-3449 can be used in a variety of applications, such as:

• Heat management, heating and cooling control, and switch mode power supplies
• Communication systems, such as GSM cell phones and land lines
• Smart home and smart building applications
• Discrete-time control systems, such as robotics and home automation
• Automotive electronics, including engine control

Working Principle

The 94-3449 consists of an array of MOSFETs arranged in a quarter-bridge configuration. It is designed to operate over a wide range of temperatures, voltages, and power levels. The 94-3449 is capable of producing outputs that range from 1 V to 8 V and from 1 mA to 1 A. The 94-3449 has a high-frequency switching circuit that enables high-efficiency operation and rapid response time. A built-in driver with programmable switching modes makes it possible to adapt the device to different workloads and voltage levels, which makes it ideal for regulated output stages.The 94-3449 features a fast turn-on and turn-off operation, with a current rise time of less than 700 ns and a maximum current rating of up to 5 A. This helps to reduce the size, cost, and power consumption of the device, making it a popular choice for a variety of applications.

Conclusion

The 94-3449 is a versatile, user-friendly MOSFET array developed by Fujitsu that can be used in a wide range of applications, such as those mentioned above. Its fast switching times and adaptable driver circuit make it an ideal choice for high-speed, low-power control systems.

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