AON7448L

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The AON7448L is a n-channel enhancement-mode device that belongs to the Switching Field Effect Transistor (S-FET) family. It is a high voltage, high current, and low power consumption transistor with a maximum drain current (ID) of 8A. It has a maximum Drain-Source voltage (VDS) of 180V and a drain-source breakdown voltage (BVDSS) of 140V. The AON7448L is designed to be used in low frequency and ultra-low frequency switching applications. It is used in applications such as DC-DC converters, converters, power supplies, battery chargers, electronic power supplies, etc.

The AON7448L utilizes an enhancement-mode technology that has a low threshold voltage (Vth) of only 0.3V. This enables the device to operate as a load switch with a logic input. The device also has a low gate charge (Qg), which results in excellent switching performance. In addition, the device has a low gate-source capacitance (Ciss), which limits the gate noise. The gate-source threshold voltage (VGS) tolerance is -4V and the absolute maximum VDSS is -180V, making the AON7448L suitable for harsh environments.

The AON7448L has a high current rating, up to 8A even at a low supply voltage of 4V. This makes it very suitable for switching in low voltage conditions. The device is designed with a comb structure, which reduces the parasitic capacitances and increases the switching speed. The device has a low on-state resistance (RDS(ON)) and a low capacitance (Cd) to minimize the input capacitance and lower the power dissipation. The device also has a high breakdown voltage of 140V that enables high voltage operation and prevents short circuit damage.

The AON7448L utilizes a load-controlled semiconductor switch with enhanced performance. The switch is activated by the gate and is turned on by applying a positive voltage to the gate. This activates the switch to pass current between the drain and source and the device switches on. The device is turned off by reversing the gate voltage, or by grounding the gate, thereby turning off the device. The device also utilizes a MOSFET construction, which enables low on-state resistance and high breakdown voltage.

In summary, the AON7448L is a high voltage, high current, and low power consumption N-channel enhancement-mode transistor designed for applications such as DC-DC converters, converters, power supplies, battery chargers, electronic power supplies, etc. Its high current and low RDS(ON) makes it suitable for low voltage applications, while its low gate charge and gate-source capacitance makes it suitable for low noise applications. Finally, its comb structure reduces parasitic capacitances and increases switching speed.

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