Understanding the 4496 MOSFET Datasheet

If you’ve been searching for the “4496 MOSFET datasheet,” you’re probably looking for detailed technical information about the AO4496 N-Channel MOSFET. This blog post breaks down the datasheet in simple terms to help you understand what it is, why it is important, and how you can use this MOSFET in your projects.

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AO4496 Mosfet Datasheet

AO4496 MOSFET Datasheet

Product: AO4496
Type: N-Channel MOSFET
Manufacturer: Alpha & Omega Semiconductor

Download Datasheet

Key Features of the AO4496

    1. Voltage and Current Ratings
      • Maximum Voltage (V<sub>DS</sub>): 30V
        The AO4496 can safely handle up to 30 volts across its drain and source terminals.
      • Maximum Current (I<sub>D</sub>): 10A
        It can carry up to 10A of current without overheating when it is properly cooled.
    2. On-Resistance (R<sub>DS(on)</sub>)
      • This is the resistance that MOSFET offers when it is turned on.
        • R<sub>DS(on)</sub> at V<sub>GS</sub> = 10V: ≤ 19.5 mΩ
        • R<sub>DS(on)</sub> at V<sub>GS</sub> = 4.5V: ≤ 26 mΩ
      • Lower resistance means less energy is lost as heat, making the AO4496 efficient for power switching.
    3. Gate Threshold Voltage (V<sub>GS(th)</sub>):
      • Typically around 1 – 3V. This is the voltage needed to “turn on” the MOSFET and allow current to flow.
    4. Thermal Resistance:
      • Junction-to-Ambient: 62.5°C/W
        This indicates, how effectively the MOSFET dissipates heat. Proper cooling is important to prevent overheating.

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How to Use the AO4496 MOSFET

The AO4496 is highly flexible and can be used in various applications. Below are some examples discussed:

    1. Power Conversion (DC – DC Converters):
      • The MOSFET can efficiently switch power at high speeds, making it ideal for DC – DC converters.
    2. Load Switching:
      • Use the AO4496 to turn devices on and off, like LEDs or motors, with low power loss.
    3. Motor Control:
      • In motor drivers, the AO4496 can control the flow of electricity to the motor, adjusting the speed or direction.

Understanding Key Sections of AO4496 MOSFET Datasheet

Here’s how to interpret some of the most important sections:

    1. Absolute Maximum Ratings:
      • These are the “do not exceed” limits. For Example:
        • 30V for drain-source voltage.
        • 10A for continuous drain current.
    2. Thermal Characteristics:
      • This tells you how much heat the MOSFET generates and how to manage it.
    3. Performance Graphs:
      • These show how the MOSFET behaves under different conditions, such as varying gate voltage, load current, and temperature.
    4. Pin Configuration and Physical Dimensions:
      • The 4496 comes in an SO – 8 package, which is small and suitable for compact designs.
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