MMBF5484

The MMBF5484 is a dual N-channel MOSFET transistor designed for low-power applications, manufactured by ON Semiconductor. It is part of the MMBF series, which is known for its high performance and reliability in various electronic circuits.

Key Features:

1. Structure: The MMBF5484 is a dual MOSFET, meaning it contains two N-channel transistors in a single package. This configuration is beneficial for applications requiring multiple switching elements while saving board space.

2. Package Type: It typically comes in a small, surface-mount package, such as the SOT-23, which is compact and suitable for high-density circuit designs. The SOT-23 package has three leads, making it easy to integrate into printed circuit boards (PCBs).

3. Electrical Characteristics:

   • V_DS (Drain-Source Voltage): The maximum drain-source voltage is around 60V, allowing it to handle a wide range of applications.
   • I_D (Continuous Drain Current): The maximum continuous drain current is approximately 200 mA per channel, making it suitable for low to moderate power applications.
   • R_DS(on) (On-Resistance): The on-resistance is low, typically in the range of a few ohms, which helps minimize power loss and heat generation during operation.

4. Gate Threshold Voltage (V_GS(th)): The gate threshold voltage is relatively low, typically around 1-3V, allowing for easy interfacing with low-voltage control signals.

5. Switching Speed: The MMBF5484 exhibits fast switching characteristics, making it ideal for applications in switching power supplies, signal switching, and other high-speed digital circuits.

6. Thermal Characteristics: The device has good thermal performance, with a maximum junction temperature rating of 150°C, which provides reliability in various operating conditions.

Applications:

The MMBF5484 is commonly used in:

• Switching Regulators: For efficient power conversion in battery-operated devices.
• Signal Switching: In communication devices where rapid switching of signals is required.
• Load Switching: For controlling loads in consumer electronics and industrial applications.
• Analog Switching: In audio and video applications where signal integrity is crucial.

Conclusion:

The MMBF5484 from ON Semiconductor is a versatile and efficient dual N-channel MOSFET that is well-suited for a variety of low-power electronic applications. Its compact size, low on-resistance, and fast switching capabilities make it a popular choice among engineers and designers looking to optimize their circuit designs.