MCH3375-TL-W-Z

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The MCH3375-TL-W-Z is a single monolithic integrated circuit that is often used for high-speed switch-mode power supplies and motor drivers. It is a type of high-efficiency, low-loss, high-current, low-voltage power MOSFET (metal oxide semiconductor field effect transistor). This MOSFET is one of the many products in the Toshiba Motor Drive product line.

Description

The MCH3375-TL-W-Z is an N-channel MOSFET that is constructed with a silicon substrate and an epitaxial layer. Its drain-source voltage is rated at 38 V, with a drain current rating of 387 A. It is capable of continuous operation at temperatures between -40°C to 150°C, and its maximum junction temperature is rated at 175°C. The MCH3375-TL-W-Z is equipped with a fast-acting antiparallel diode, which provides its drive capability. This feature also helps to protect the device from overdriving.

Working Principle

Metal oxide semiconductor field effect transistors work on the principle of three terminals - a gate, a source and a drain. The current flow in a MOSFET depends on the voltage applied to the gate terminal. When a positive potential is applied to the gate, it attracts electrons from the substrate which results in an increase in current flowing from the source to the drain. Conversely, when a negative potential is applied to the gate, it repels electrons from the substrate, which causes the current to decrease. This is known as the ‘depletion’ mode of operation.

In the MCH3375-TL-W-Z, the drain-source current is maximum when the voltage applied to the gate is 0 V. At higher and lower levels, the drain-source current is reduced. The amount of current is adjustable by varying the external resistant gate voltage. This helps to adjust the speed of the motor or the voltage and current needs of a power supply.

Application Field

The MCH3375-TL-W-Z is mainly used for motor control applications, including driven pumps, CD-ROM and CD-R drives, and other types of relatively low-voltage DC motors. It is also used in power supplies, such as DC-DC converters and chargers. In these types of applications, it can handle large currents and operate at high speeds with minimal power loss.

The MCH3375-TL-W-Z is also popular for motor drivers, stepper motor drivers, high power converters and high-speed switch-mode power supplies. Its low gate drive and low gate threshold voltage also make it suitable for gate driving applications. The device can be used as a controllable switch in a variety of high power applications. Its integrated fast-acting antiparallel diode helps to reduce the time needed for switch-on and switch-off operations.

Conclusion

The MCH3375-TL-W-Z is a powerful and versatile single MOSFET that is used in a variety of high-power applications. Its low gate threshold voltage, low gate drive and antiparallel diode make it an ideal choice for motor drivers, power supplies and other applications requiring high current and high speeds. With its wide range of features and capabilities, the MCH3375-TL-W-Z is a reliable and efficient choice for power applications.

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