FDMS3604AS

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FDMS3604AS Application Field and Working Principle

The FDMS3604AS is a P-channel metal-oxide-semiconductor field-effect transistor (MOSFET) array integrated circuit (IC). It is an integrated circuit consisting of four high-voltage power MOSFETs featuring advanced trench technology in a 5-lead TO-92 package. The TO-92 is a widely used plastic package for discrete semiconductor components.

Typical Applications:

The FDMS3604AS is a field-effect transistor (FET) array designed primarily for switching applications as either a high-side or low-side switch. Typical applications would include motor control circuits, power supply circuits, motor control, and drive circuit applications. Other applications could include solenoid drivers, inverter circuits for AC motor control, power supplies for inverter control, and power switch control circuits.

Working Principle:

The FDMS3604AS is a four-channel integrated circuit characterized by low on-state resistance, which enables it to handle loads up to 15 amps with a maximum voltage rating of 40 volts. The key component of the device is a field-effect transistor (FET), which is an electronic component that is created from a combination of semiconductor materials. FETs typically have three terminals, the gate (G), drain (D), and source (S). Inverters and amplifiers, commonly found in digital circuits, are made of FETs.

The FDMS3604AS is a self-protected P-channel FET array, in which Source and Drain are connected internally. This offers a highly reliable connection and eliminates the need for a separate power component.

This device is designed to provide maximum efficiency and maximum power dissipation over a wide range of switching frequencies. Its channel-to-channel matched switching characteristics enable the components to dramatically reduce system power dissipation, further improving overall component and system efficiency. Its impressive on-state resistance enables it to easily handle loads up to 15 amps with a maximum voltage rating of 40 volts. It also has an on-resistance of 0.49Π, an off-leakage current of 0.2mA maximum, and a total gate charge value of 71nC maximum.

The FDMS3604AS also features a low gate threshold voltage of 1.2V, allowing the device to be used with lower-voltage logic sources. Additionally, it contains internal thermal shutdown protection which automatically shuts down the device when the temperature of the chip exceeds a predetermined temperature. This feature provides a great deal of system protection and ensures the MOSFETs will not be damaged when subjected to high ambient temperature.

Conclusion

In conclusion, the FDMS3604AS is a powerful integrated circuit P-channel FET array that is well-suited to switching applications. It offers low on-state resistance, high efficiency and power dissipation, match-switching characteristics, and thermal shutdown protection. These features combined make the FDMS3604AS an ideal choice for motor control, power-supply, and drive circuits.

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