AO4404BL

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The AO4404BL is a field effect transistor (FET) from Alpha and Omega Semiconductor. It is a single N-channel enhancement mode MOSFET designed for use in a wide variety of applications including power amplifier, low-frequency switch, high-frequency switch and switching regulator applications. The AO4404BL is designed to meet the needs of low-voltage, low-current applications and to operate over a wide voltage range.

In its most basic form, a FET is a three-terminal semiconductor device that has an extremely high input impedance, a relatively low output impedance, and a very low output current capability. All FETs contain a gate, a source, and a drain. Basically, the device is an insulated-gate field-effect transistor, wherein the gate voltage controls the current flowing between the source and the drain. The source is generally connected to the negative side of the power supply, while the drain is connected to the positive supply.

The AO4404BL has a rugged and reliable planar structure, which allows it to achieve outstanding performance parameters and a high quality design. Its operating temperature range is from -55°C to +150°C, with a maximum drain-source breakdown voltage of 350V, and a maximum drain current of 5A. It has an exceptionally low gate charge, with maximum values of only 70nC, and a low drain-source on-resistance of only 45mΩ.

The AO4404BL is typically used as a switch to regulate the flow of current in an electronic circuit. When the gate voltage V_G is low, no current is allowed to flow between the source and the drain, so the device is “off”. When the gate voltage is increased, a voltage based on the thickness of the gate dielectric is depleted from the source to the gate, thus allowing a current to flow from source to drain, and the device is “on”.

The AO4404BL is often used in designs that require low power control logic, a low on-resistance, high input impedance, and fast switching speed. It can be found in a wide range of applications, such as automotive power switching, consumer electronics, motor control and low voltage power supplies. It is ideal for applications that require low distortion, noise and over-current protection, and is compatible with both low-voltage and high-voltage supply voltage systems.

In summary, the AO4404BL is a FET that is used to control current in a variety of different applications. It has low on-resistance, high input impedance and fast switching speed, making it an ideal choice for applications that require high performance and low power consumption. It is designed to operate over a wide voltage range, and is suitable for a wide range of applications including power amplifier, low-frequency switch, high-frequency switch and switching regulator applications.

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