FDC645N_F095

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The FDC645N_F095 is a n-channel enhancement-mode power field-effect transistor (FET) manufactured by Infineon Technologies. It is specifically designed for use in low voltage applications, such as battery-powered portable devices. This power FET has a standard package with a drain tab of 20V and a drain-source voltage of 3.2V. The on-state RDS(on) is typically less than 0.8Ω, allowing for very low power consumption. The FDC645N_F095 features a wide operating temperature range from -40 degrees Celsius to 150 degrees Celsius, allowing for reliable operation in harsh environmental conditions.

The FDC645N_F095 is constructed using a vertical DMOS (V-DMOS) process, which combines the characteristics of the standard high-voltage DMOS process and vertical MOSFETs. This process allows the FDC645N_F095 to have a higher breakdown voltage than conventional low-voltage MOSFETs, while still providing a low on-resistance. The low on-resistance also reduces total power consumption in the application, and can be further reduced by adding a gate resistor to the gate terminal.

It is important to note that the FDC645N_F095 is an enhancement-mode power FET and is optimized for switching applications. It is not suitable for linear applications. To use this FET in a linear application, a separate linear regulator should be used. In addition, it has a maximum gate-source voltage rating of +/-15V and a maximum gate-drain voltage rating of +/-20V.

The FDC645N_F095 is typically used in applications such as DC motors, H-bridge circuits, switching power supplies, uninterruptible power supplies (UPSs), DC-DC converters, and lighting control. It is also used in industrial and automotive applications, as the V-DMOS process allows for a high breakdown voltage, which is a requirement for some of these applications. Additionally, the low on-resistance allows for a more efficient power conversion, which reduces total power consumption.

The FDC645N_F095 utilizes the common-source configuration to function. In this configuration, the drain and source are connected to the circuit and the gate is driven by an input signal. When the signal voltage at the gate is lower than the threshold voltage, the FET is in the off-state, and no current flows between the drain and the source. Conversely, when the signal voltage rises above the threshold voltage, the FET is in the on-state, and current can flow between the drain and the source. The FDC645N_F095 features an integrated gate protection circuit to prevent overvoltage damage to the FET.

In summary, the FDC645N_F095 is a n-channel enhancement-mode power field-effect transistor (FET) that is specifically designed for use in low voltage applications. It features a standard package with a drain tab of 20V and a drain-source voltage of 3.2V, and its on-state RDS(on) is typically less than 0.8Ω. The FDC645N_F095 utilizes the common-source configuration and is used in applications such as DC motors, H-bridge circuits, switching power supplies, uninterruptible power supplies (UPSs), DC-DC converters, and lighting control. It also features an integrated gate protection circuit to prevent overvoltage damage.

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